Local HVAC Services in Novi, MI
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HVAC, Electrical, Water Heater & Sump Pump Services in Novi, MI

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Novi Service Overview

  • Expert Local Care: Serving the 10, 12, and 14 Mile corridors with dedicated crews who understand the specific layout of Novi subdivisions.
  • Full-Spectrum Home Services: Reliable AC, furnace, plumbing, and electrical solutions tailored to high-demand suburban systems.
  • Novi Neighborhood Specialists: Experienced with the unique construction styles found in Island Lake, Maybury Park Estates, and Village Oaks.

 

Novi sits at the crossroads of I-96 and I-275, with steady service demand along Novi Road and the 10, 12, and 14 Mile corridors. From neighborhoods like Island Lake, Maybury Park Estates, Churchill Crossing, and Village Oaks to homes near Twelve Oaks Mall and Lakeshore Park, our crews are working in this area every day. As one of Oakland County’s busiest suburban markets, Novi homes rely on systems that are sized, balanced, and maintained correctly. Call 586-336-1111 or schedule online for service in Novi.

 

 

“For some reason my first review did not show. I had service for furnace maintenance. The tech was very informative and showed me before and after results. I was amazed at the difference. Not only quality service, but kindness and thoughtfulness as well.”

— PATRICIA M.

 

How We Work in Novi, MI Homes

Novi started as a township, and much of its growth came in waves from the 1990s through today. You now have established subdivisions alongside newer construction, larger floor plans, and homes with finished basements and open-concept layouts. Systems here usually struggle because of demand, layout, and airflow, not because they are outdated.

We work throughout Novi, from homes near MSU Tollgate Farm to properties around Lakeshore Park and the Walled Lake area. That experience lets us diagnose performance issues quickly and apply solutions that match how these homes are actually built.

Electrical Upgrades and Generator Systems in Novi, MI

Novi homes require electrical systems that can keep up with modern demand. Between EV chargers, home offices, and high-end appliances, panels and wiring can fall behind over time.

Most electrical projects include:

  • Generator installation and service
  • Generac generator services
  • Kohler generator services
  • Electrical panel upgrades
  • EV charger installation
  • Wiring and rewiring
  • Lighting installation and upgrades
  • Surge protection
  • Whole-home electrical inspections

A common issue we solve is panel overload in larger homes. As demand increases, circuits become strained, leading to tripped breakers and inconsistent power. We evaluate the panel, upgrade capacity where needed, and rebalance loads so your home runs reliably.

Generator installation is also a frequent upgrade. When outages hit, larger homes lose critical systems fast. We install standby generators that restore power automatically and keep everything running without interruption.

 

 

 

“I was very impressed with the technician. He did an excellent job and made me feel confident everything was done right. I wish more people had his work ethic.”

— FRANK D.

 

Cooling Systems for Multi-Level Homes in Novi, MI

Cooling in Novi homes comes down to airflow and system design. Larger homes, open-concept layouts, and lofted second floors can create uneven temperatures if the system is not properly balanced.

Most cooling work we handle includes:

  • AC repair and troubleshooting
  • Full system replacement
  • Preventative maintenance
  • Ductless systems for problem areas

A common issue in Novi is a warm second floor or bonus room over the garage that never cools properly. The main level reaches temperature quickly, but upper areas trap heat. This is especially common in subdivisions like Village Oaks and Churchill Crossing.

We solve this by evaluating duct runs, return placement, and system capacity. In many cases, we add zoning or targeted solutions so airflow is distributed evenly. The result is consistent temperatures across every level without overworking the system.

 

 

How We Work in Novi, MI Homes

Problem: Multi-level homes in areas like Churchill Crossing often experience a warm second floor while the main level stays cold.

Solution: We diagnose airflow and duct runs to ensure proper balance and distribution so every room stays comfortable.

Problem: Modern Novi households struggle with electrical panel overload due to high-end appliances and EV chargers.

Solution: We provide full panel upgrades and load rebalancing to keep your modern systems running safely and reliably.

Problem: Finished basements near Lakeshore Park and Walled Lake are at risk during heavy rains if sump pumps fail.

Solution: Our team installs professional-grade sump pumps and backups to protect your investment from water damage.

 

Heating Performance and System Balance in Novi, MI

Heating systems in Novi are typically newer, but they still face strain during long winters. Multi-level homes often expose airflow imbalances as systems age.

Typical heating services include:

  • Furnace repair and diagnostics
  • System replacement and upgrades
  • Seasonal maintenance
  • Heat pump systems

One issue we see often is uneven heating between floors. Homes in Island Lake and Maybury Park Estates may have strong heat on the main level but cooler upper rooms, especially in open layouts where heat rises and airflow is not properly controlled.

We correct this by adjusting airflow, checking duct layout, and optimizing system output so heat is distributed evenly. The result is improved comfort and more efficient operation.

 

 

Hot Water Systems and Basement Protection in Novi, MI

Water systems in Novi homes must handle higher usage while protecting finished basements. Sump pumps are critical, especially in areas near Walled Lake and lower-lying sections of the city.

Common services include:

  • Water heater repair and installation
  • Tankless water heater upgrades

 

 

What You Can Expect from Randazzo in Novi, MI

Homeowners in Novi expect professionalism, clear communication, and results that last. You want the job done right the first time without unnecessary back and forth.

  • Fast scheduling so you are not waiting days for service
  • Technicians who explain problems and solutions clearly
  • Clean, respectful work in your home
  • Long-term fixes that prevent repeat issues

We focus on performance, reliability, and service that matches the expectations of Novi homeowners.

 

 

“Very professional, knowledgeable and polite. He took the time to listen to our questions and explained everything thoroughly. Would definitely recommend.”

— CHERYL J.

 

Get Service in Novi, MI Today

If you live in Novi, whether near Twelve Oaks Mall, Lakeshore Park, or neighborhoods like Island Lake and Churchill Crossing, small performance issues can quickly turn into larger system failures if ignored.

Call 586-336-1111 today or schedule your service online to get fast, professional help before minor issues turn into costly repairs.

Novi Home Service FAQ

This is common in multi-level homes like those in Island Lake. It is usually caused by improper system balancing or ductwork layout. We specialize in adjusting airflow to ensure consistent temperatures across every floor.
With the frequency of outages in Oakland County, a standby generator is a wise investment for larger Novi homes. We install Generac and Kohler systems that restore power automatically, keeping your HVAC and appliances running.
In areas near Walled Lake and Lakeshore Park, sump pumps are critical. We recommend routine inspections and battery backup installations to protect your basement from pump failure during heavy Michigan storms.
Many Novi homes require a panel upgrade to safely handle the high demand of an EV charging station. We evaluate your home’s electrical load and upgrade your capacity to prevent circuit overloads.
We recommend annual seasonal maintenance to ensure your system is prepared for the long Michigan winters. This prevents emergency failures during extreme cold and helps maintain system efficiency.

Recent Jobs and Reviews in Novi, MI

Job Locations and Reviews

Successfully installed 2.5-ton air conditioning unit with matching evaporator coil in rear position of existing furnace system. Completed all mechanical and electrical connections, reconnected refrigerant lines, and verified proper system operation. Mechanical and electrical permits were obtained prior to installation, and all work was completed to code specifications.
Successfully installed 2.5-ton air conditioning unit with matching evaporator coil in rear position of existing furnace system. Completed all mechanical and electrical connections, reconnected refrigerant lines, and verified proper system operation. Mechanical and electrical permits were obtained prior to installation, and all work was completed to code specifications.
RZ W.
RZ W. Checked in
Successfully installed 2.5-ton air conditioning unit with matching evaporator coil in rear position of existing furnace system. Completed all mechanical and electrical connections, reconnected refrigerant lines, and verified proper system operation. Mechanical and electrical permits were obtained prior to installation, and all work was completed to code specifications.
Novi, MI 48377
Novi, MI - Performed routine maintenance on residential air conditioning system. Conducted thorough cleaning of outdoor condenser unit, removing accumulated dirt, debris, and organic buildup from aluminum fins and heat exchanger coils. Completed full system inspection and operational check to ensure proper performance and efficiency.
RZ W.
RZ W. Checked in
Performed routine maintenance on residential air conditioning system. Conducted thorough cleaning of outdoor condenser unit, removing accumulated dirt, debris, and organic buildup from aluminum fins and heat exchanger coils. Completed full system inspection and operational check to ensure proper performance and efficiency.
Novi, MI 48375
Novi, MI - Responded to customer report of leaking hot water heater and conducted on-site assessment. Performed visual inspection of existing water heater unit, documented current system specifications including height measurements, and captured photographic documentation of the installation and equipment condition for estimate preparation. Provided customer with water heater replacement options and recommendations based on findings.
RZ S.
RZ S. Checked in
Responded to customer report of leaking hot water heater and conducted on-site assessment. Performed visual inspection of existing water heater unit, documented current system specifications including height measurements, and captured photographic documentation of the installation and equipment condition for estimate preparation. Provided customer with water heater replacement options and recommendations based on findings.
Novi, MI 48374
Completed annual cooling maintenance on residential split system air conditioning unit. Performed comprehensive system diagnostics using digital manifold gauge to verify refrigerant pressures and temperatures across both high and low sides of the system. All operating parameters found within manufacturer specifications. Inspected outdoor condenser unit exterior condition, confirmed proper airflow through coil and fan assembly, and verified unit operation. System operating normally with no deficiencies noted.
Completed annual cooling maintenance on residential split system air conditioning unit. Performed comprehensive system diagnostics using digital manifold gauge to verify refrigerant pressures and temperatures across both high and low sides of the system. All operating parameters found within manufacturer specifications. Inspected outdoor condenser unit exterior condition, confirmed proper airflow through coil and fan assembly, and verified unit operation. System operating normally with no deficiencies noted.
RZ I.
RZ I. Checked in
Completed annual cooling maintenance on residential split system air conditioning unit. Performed comprehensive system diagnostics using digital manifold gauge to verify refrigerant pressures and temperatures across both high and low sides of the system. All operating parameters found within manufacturer specifications. Inspected outdoor condenser unit exterior condition, confirmed proper airflow through coil and fan assembly, and verified unit operation. System operating normally with no deficiencies noted.
Novi, MI 48374
Completed full HVAC system installation including a Lennox 135,000 BTU gas furnace with rear discharge configuration and 4-ton air conditioning unit. Installed whole-home humidifier with integrated plumbing connections and mounted Emerson programmable thermostat for system control. Reconnected all ductwork, exhaust venting, electrical connections, and condensate lines to existing infrastructure. All mechanical, electrical, and furnace permits obtained and work performed to code specifications.
Completed full HVAC system installation including a Lennox 135,000 BTU gas furnace with rear discharge configuration and 4-ton air conditioning unit. Installed whole-home humidifier with integrated plumbing connections and mounted Emerson programmable thermostat for system control. Reconnected all ductwork, exhaust venting, electrical connections, and condensate lines to existing infrastructure. All mechanical, electrical, and furnace permits obtained and work performed to code specifications.
RZ R.
RZ R. Checked in
Completed full HVAC system installation including a Lennox 135,000 BTU gas furnace with rear discharge configuration and 4-ton air conditioning unit. Installed whole-home humidifier with integrated plumbing connections and mounted Emerson programmable thermostat for system control. Reconnected all ductwork, exhaust venting, electrical connections, and condensate lines to existing infrastructure. All mechanical, electrical, and furnace permits obtained and work performed to code specifications.
Novi, MI 48375
Provided estimate for air conditioning system replacement to address faulty evaporator coil on 4-year-old unit located in basement. Existing natural gas furnace system evaluated with connected ductwork and electrical service assessed for compatibility with proposed equipment upgrade.
Provided estimate for air conditioning system replacement to address faulty evaporator coil on 4-year-old unit located in basement. Existing natural gas furnace system evaluated with connected ductwork and electrical service assessed for compatibility with proposed equipment upgrade.
RZ H.
RZ H. Checked in
Provided estimate for air conditioning system replacement to address faulty evaporator coil on 4-year-old unit located in basement. Existing natural gas furnace system evaluated with connected ductwork and electrical service assessed for compatibility with proposed equipment upgrade.
Novi, MI 48374
Performed scheduled maintenance on a five-year-old central air conditioning system. Upon arrival, conducted thorough inspection of outdoor condenser unit and found significant accumulation of dirt, dust, and debris on finned coil assembly, which was restricting airflow and reducing cooling efficiency. Cleaned condenser coils to restore proper airflow through the fins. Inspected refrigerant lines, electrical connections, and mounting hardware, all found to be in satisfactory condition. System tested and confirmed operational with proper cooling performance restored following maintenance procedures.
Performed scheduled maintenance on a five-year-old central air conditioning system. Upon arrival, conducted thorough inspection of outdoor condenser unit and found significant accumulation of dirt, dust, and debris on finned coil assembly, which was restricting airflow and reducing cooling efficiency. Cleaned condenser coils to restore proper airflow through the fins. Inspected refrigerant lines, electrical connections, and mounting hardware, all found to be in satisfactory condition. System tested and confirmed operational with proper cooling performance restored following maintenance procedures.
RZ S.
RZ S. Checked in
Performed scheduled maintenance on a five-year-old central air conditioning system. Upon arrival, conducted thorough inspection of outdoor condenser unit and found significant accumulation of dirt, dust, and debris on finned coil assembly, which was restricting airflow and reducing cooling efficiency. Cleaned condenser coils to restore proper airflow through the fins. Inspected refrigerant lines, electrical connections, and mounting hardware, all found to be in satisfactory condition. System tested and confirmed operational with proper cooling performance restored following maintenance procedures.
Novi, MI 48375
Provided estimate for replacement of non-functioning tankless water heater at residential property. Assessed existing outdoor tankless unit installation, documented current equipment location and utility connections including gas line and electrical service. Generated quote for complete tankless water heater replacement with new unit to be installed in same exterior location on existing mounting pad.
Provided estimate for replacement of non-functioning tankless water heater at residential property. Assessed existing outdoor tankless unit installation, documented current equipment location and utility connections including gas line and electrical service. Generated quote for complete tankless water heater replacement with new unit to be installed in same exterior location on existing mounting pad.
RZ P.
RZ P. Checked in
Provided estimate for replacement of non-functioning tankless water heater at residential property. Assessed existing outdoor tankless unit installation, documented current equipment location and utility connections including gas line and electrical service. Generated quote for complete tankless water heater replacement with new unit to be installed in same exterior location on existing mounting pad.
Novi, MI 48374
Completed estimate for replacement of 14-year-old non-functioning air conditioning system located in basement mechanical room. Assessed existing HVAC configuration including natural gas furnace, ductwork distribution, and current A/C unit to provide comprehensive replacement proposal. Documented equipment location, utility connections, and structural conditions to develop accurate replacement specifications for new cooling system installation.
Completed estimate for replacement of 14-year-old non-functioning air conditioning system located in basement mechanical room. Assessed existing HVAC configuration including natural gas furnace, ductwork distribution, and current A/C unit to provide comprehensive replacement proposal. Documented equipment location, utility connections, and structural conditions to develop accurate replacement specifications for new cooling system installation.
RZ W.
RZ W. Checked in
Completed estimate for replacement of 14-year-old non-functioning air conditioning system located in basement mechanical room. Assessed existing HVAC configuration including natural gas furnace, ductwork distribution, and current A/C unit to provide comprehensive replacement proposal. Documented equipment location, utility connections, and structural conditions to develop accurate replacement specifications for new cooling system installation.
Novi, MI 48374
Completed full HVAC system installation including a 90,000 BTU furnace and 3-ton air conditioning unit with left-side configuration. Installed new ductwork connections from furnace to overhead distribution system, established proper refrigerant lines, and completed all electrical reconnections. All required mechanical, refrigeration, and electrical permits were obtained prior to installation, and system was tested for proper operation upon completion.
Completed full HVAC system installation including a 90,000 BTU furnace and 3-ton air conditioning unit with left-side configuration. Installed new ductwork connections from furnace to overhead distribution system, established proper refrigerant lines, and completed all electrical reconnections. All required mechanical, refrigeration, and electrical permits were obtained prior to installation, and system was tested for proper operation upon completion.
RZ J.
RZ J. Checked in
Completed full HVAC system installation including a 90,000 BTU furnace and 3-ton air conditioning unit with left-side configuration. Installed new ductwork connections from furnace to overhead distribution system, established proper refrigerant lines, and completed all electrical reconnections. All required mechanical, refrigeration, and electrical permits were obtained prior to installation, and system was tested for proper operation upon completion.
Novi, MI 48377
Conducted on-site assessment for air conditioner replacement in residential basement utility area. Evaluated existing HVAC system including furnace, air handler, and ductwork configuration. Documented current equipment condition, measured ductwork dimensions, and photographed system components to prepare comprehensive replacement estimate for new AC installation with expedited timeline per customer request.
Conducted on-site assessment for air conditioner replacement in residential basement utility area. Evaluated existing HVAC system including furnace, air handler, and ductwork configuration. Documented current equipment condition, measured ductwork dimensions, and photographed system components to prepare comprehensive replacement estimate for new AC installation with expedited timeline per customer request.
RZ E.
RZ E. Checked in
Conducted on-site assessment for air conditioner replacement in residential basement utility area. Evaluated existing HVAC system including furnace, air handler, and ductwork configuration. Documented current equipment condition, measured ductwork dimensions, and photographed system components to prepare comprehensive replacement estimate for new AC installation with expedited timeline per customer request.
Novi, MI 48375
Completed scheduled air conditioning maintenance service. Performed electrical diagnostics using digital multimeter to verify system amperage and proper electrical function. Inspected evaporator coil assembly and filter media, confirmed mesh screening intact with proper airflow path. Checked drain line routing and gasket seal integrity on access panel.
Completed scheduled air conditioning maintenance service. Performed electrical diagnostics using digital multimeter to verify system amperage and proper electrical function. Inspected evaporator coil assembly and filter media, confirmed mesh screening intact with proper airflow path. Checked drain line routing and gasket seal integrity on access panel.
RZ M.
RZ M. Checked in
Completed scheduled air conditioning maintenance service. Performed electrical diagnostics using digital multimeter to verify system amperage and proper electrical function. Inspected evaporator coil assembly and filter media, confirmed mesh screening intact with proper airflow path. Checked drain line routing and gasket seal integrity on access panel.
Novi, MI 48377
Completed HVAC equipment assessment for replacement estimate on non-functioning 20-year-old air conditioning system and natural gas furnace located in basement mechanical room. Evaluated existing air handler unit, ductwork infrastructure including flexible and rigid metal ducts, electrical panel capacity with 30895 service number, and overall system configuration to provide comprehensive replacement recommendations for aging equipment that has reached end of service life.
Completed HVAC equipment assessment for replacement estimate on non-functioning 20-year-old air conditioning system and natural gas furnace located in basement mechanical room. Evaluated existing air handler unit, ductwork infrastructure including flexible and rigid metal ducts, electrical panel capacity with 30895 service number, and overall system configuration to provide comprehensive replacement recommendations for aging equipment that has reached end of service life.
RZ V.
RZ V. Checked in
Completed HVAC equipment assessment for replacement estimate on non-functioning 20-year-old air conditioning system and natural gas furnace located in basement mechanical room. Evaluated existing air handler unit, ductwork infrastructure including flexible and rigid metal ducts, electrical panel capacity with 30895 service number, and overall system configuration to provide comprehensive replacement recommendations for aging equipment that has reached end of service life.
Novi, MI 48377
Completed annual cooling maintenance on residential HVAC system. Performed comprehensive inspection of outdoor condenser unit, replaced air filter and evaporative cooler pad as needed, and verified proper system operation. Unit showed normal weathering consistent with outdoor installation, with all components functioning within specifications.
Completed annual cooling maintenance on residential HVAC system. Performed comprehensive inspection of outdoor condenser unit, replaced air filter and evaporative cooler pad as needed, and verified proper system operation. Unit showed normal weathering consistent with outdoor installation, with all components functioning within specifications.
RZ N.
RZ N. Checked in
Completed annual cooling maintenance on residential HVAC system. Performed comprehensive inspection of outdoor condenser unit, replaced air filter and evaporative cooler pad as needed, and verified proper system operation. Unit showed normal weathering consistent with outdoor installation, with all components functioning within specifications.
Novi, MI 48374
Provided estimate for complete HVAC system replacement in condominium utility room, including 2013 furnace and 1998 air conditioning system under BOGO promotion. Assessed existing equipment configuration with dual outdoor condenser units positioned on concrete pads and indoor furnace with water heater in compact mechanical space. Documented current system layout and specifications to prepare comprehensive replacement proposal for aging cooling system while existing furnace remains operational.
Provided estimate for complete HVAC system replacement in condominium utility room, including 2013 furnace and 1998 air conditioning system under BOGO promotion. Assessed existing equipment configuration with dual outdoor condenser units positioned on concrete pads and indoor furnace with water heater in compact mechanical space. Documented current system layout and specifications to prepare comprehensive replacement proposal for aging cooling system while existing furnace remains operational.
RZ H.
RZ H. Checked in
Provided estimate for complete HVAC system replacement in condominium utility room, including 2013 furnace and 1998 air conditioning system under BOGO promotion. Assessed existing equipment configuration with dual outdoor condenser units positioned on concrete pads and indoor furnace with water heater in compact mechanical space. Documented current system layout and specifications to prepare comprehensive replacement proposal for aging cooling system while existing furnace remains operational.
Novi, MI 48375
Completed estimate for air conditioning system replacement at residential property. Evaluated existing operational AC condenser unit located on gravel pad at rear exterior of home, along with indoor air handler/furnace system in basement mechanical room. Assessed current equipment condition, installation location, accessibility for replacement, electrical disconnect configuration, and ductwork connections to provide comprehensive replacement proposal for complete HVAC system upgrade.
Completed estimate for air conditioning system replacement at residential property. Evaluated existing operational AC condenser unit located on gravel pad at rear exterior of home, along with indoor air handler/furnace system in basement mechanical room. Assessed current equipment condition, installation location, accessibility for replacement, electrical disconnect configuration, and ductwork connections to provide comprehensive replacement proposal for complete HVAC system upgrade.
RZ H.
RZ H. Checked in
Completed estimate for air conditioning system replacement at residential property. Evaluated existing operational AC condenser unit located on gravel pad at rear exterior of home, along with indoor air handler/furnace system in basement mechanical room. Assessed current equipment condition, installation location, accessibility for replacement, electrical disconnect configuration, and ductwork connections to provide comprehensive replacement proposal for complete HVAC system upgrade.
Novi, MI 48375
Completed on-site assessment of existing air conditioning system utilizing obsolete R-22 refrigerant. Evaluated outdoor condenser unit and indoor HVAC components in basement utility area. Documented equipment condition through photographic documentation, noting age-related wear and system configuration. Provided comprehensive replacement estimate for new cooling system as requested, discussing options with homeowner who indicated preference for replacement over repair based on refrigerant phase-out and equipment longevity concerns.
Completed on-site assessment of existing air conditioning system utilizing obsolete R-22 refrigerant. Evaluated outdoor condenser unit and indoor HVAC components in basement utility area. Documented equipment condition through photographic documentation, noting age-related wear and system configuration. Provided comprehensive replacement estimate for new cooling system as requested, discussing options with homeowner who indicated preference for replacement over repair based on refrigerant phase-out and equipment longevity concerns.
RZ W.
RZ W. Checked in
Completed on-site assessment of existing air conditioning system utilizing obsolete R-22 refrigerant. Evaluated outdoor condenser unit and indoor HVAC components in basement utility area. Documented equipment condition through photographic documentation, noting age-related wear and system configuration. Provided comprehensive replacement estimate for new cooling system as requested, discussing options with homeowner who indicated preference for replacement over repair based on refrigerant phase-out and equipment longevity concerns.
Novi, MI 48377
Conducted on-site assessment for 3.5 ton air conditioning system replacement in 2400 square foot single family residence. Inspected existing HVAC equipment located in basement mechanical room, documented current furnace and ductwork configuration, photographed equipment specifications and system layout to provide accurate replacement estimate for homeowner comparing multiple contractor quotes.
Conducted on-site assessment for 3.5 ton air conditioning system replacement in 2400 square foot single family residence. Inspected existing HVAC equipment located in basement mechanical room, documented current furnace and ductwork configuration, photographed equipment specifications and system layout to provide accurate replacement estimate for homeowner comparing multiple contractor quotes.
RZ H.
RZ H. Checked in
Conducted on-site assessment for 3.5 ton air conditioning system replacement in 2400 square foot single family residence. Inspected existing HVAC equipment located in basement mechanical room, documented current furnace and ductwork configuration, photographed equipment specifications and system layout to provide accurate replacement estimate for homeowner comparing multiple contractor quotes.
Novi, MI 48375
Novi, MI - Responded to callback for air conditioning system displaying error code 411 (outdoor low pressure switch lockout) and secondary error code 406. Upon arrival, inspected outdoor unit and control board systems. Documented variable speed motor control board (Ermilux P/N 102791-01) and associated wiring connections for diagnostic purposes. Addressed low pressure switch fault condition and verified proper electrical connections to PCB including capacitor terminals and multi-conductor wiring harness. System evaluated for refrigerant pressure issues related to lockout condition.
RZ B.
RZ B. Checked in
Responded to callback for air conditioning system displaying error code 411 (outdoor low pressure switch lockout) and secondary error code 406. Upon arrival, inspected outdoor unit and control board systems. Documented variable speed motor control board (Ermilux P/N 102791-01) and associated wiring connections for diagnostic purposes. Addressed low pressure switch fault condition and verified proper electrical connections to PCB including capacitor terminals and multi-conductor wiring harness. System evaluated for refrigerant pressure issues related to lockout condition.
Novi, MI 48375
Completed full HVAC system installation in basement utility area, including 70,000 BTU Lennox furnace with humidifier and 2-ton rear-discharge air conditioning unit. Installed all necessary ductwork with galvanized metal supply plenum and flex duct connections, ran copper refrigerant lines between outdoor condenser and indoor air handler, and reconnected all electrical and gas connections per manufacturer specifications. System tested and verified operational with all permits obtained prior to installation.
Completed full HVAC system installation in basement utility area, including 70,000 BTU Lennox furnace with humidifier and 2-ton rear-discharge air conditioning unit. Installed all necessary ductwork with galvanized metal supply plenum and flex duct connections, ran copper refrigerant lines between outdoor condenser and indoor air handler, and reconnected all electrical and gas connections per manufacturer specifications. System tested and verified operational with all permits obtained prior to installation.
RZ N.
RZ N. Checked in
Completed full HVAC system installation in basement utility area, including 70,000 BTU Lennox furnace with humidifier and 2-ton rear-discharge air conditioning unit. Installed all necessary ductwork with galvanized metal supply plenum and flex duct connections, ran copper refrigerant lines between outdoor condenser and indoor air handler, and reconnected all electrical and gas connections per manufacturer specifications. System tested and verified operational with all permits obtained prior to installation.
Novi, MI 48375

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What To Expect

Discover The Randazzo Difference

Preferred Dealer

We install Mitsubishi, Kohler & Lennox brands and are Michigan’s largest award-winning Lennox Premier Dealer.

Fully Licensed & Insured

Our experts are fully licensed and insured, with the expertise to deliver the highest value and the lowest price.

100% Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every heating, cooling, and electrical service we perform.

One-Day Installs

Tight on Time? Don’t have multiple days to wait for an installation? We have you covered. Our expert team of technicians will install your new heating or cooling system in one day.

No Subcontractors

We value our in-house team’s talent and knowledge, which equips them to tackle all our customers' requests without hiring subcontractors.

Instant Rebates

Randazzo Heating, Cooling, and Electrical believes your time is precious, so we instantly process the rebate before we say our last goodbye.

Preferred Dealer

We install Mitsubishi, Kohler & Lennox brands and are Michigan’s largest award-winning Lennox Premier Dealer.

Fully Licensed & Insured

Our experts are fully licensed and insured, with the expertise to deliver the highest value and the lowest price.

100% Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every heating, cooling, and electrical service we perform.

One-Day Installs

Tight on Time? Don’t have multiple days to wait for an installation? We have you covered. Our expert team of technicians will install your new heating or cooling system in one day.

No Subcontractors

We value our in-house team’s talent and knowledge, which equips them to tackle all our customers' requests without hiring subcontractors.

Instant Rebates

Randazzo Heating, Cooling, and Electrical believes your time is precious, so we instantly process the rebate before we say our last goodbye.

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Our Reviews

See What Your Neighbors Are Saying

I had an excellent experience with Randazzo for my furnace and AC replacement. I was faced with the second expensive repair in less than a year for a 17 year old furnace and decided to invest in a new system. Randazzo scheduled a salesman out for…

Glen D.

Glen D.

Recently our 17-year old, slightly undersized, central air conditioner lost its ability to cool our 2,500 square foot house, even on mildly warm Michigan summer days. I reached out to Alex at Randazzo Heating & Cooling, and he asked me a few diagnostic questions before dispatching…

Edmund S.

Edmund S.

The men who came to my home were friendly, knowledgeable and did exactly what they needed to do to fix our AC. It now works perfectly! Thank-you, Randazzo ~ we will be calling you for our next tuneup in the Fall. FIVE STARS***** I am updating…

Jennifer D.

Jennifer D.

Growing up I used to see the Randazzo commercials and sing the jingle. Randazzo has to be a reputable to have been in business for so long. Randazzo is living up to its reputation. Especially, with the wonderful crew that we were graced with. The entire…

Byron and Naomi P.

Byron and Naomi P.

I called Randazzo’s to replace my furnace, and get a new AC. The salesman, Brent Hall, came out and gave me a complete comprehensive introduction to their Lenix equipment. I ordered the top of the line package, within days Jacob Shastachuk, the installer was here and…

Lucia C.

Lucia C.