Professional HVAC Services in Detroit, MI
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Comprehensive HVAC Service Repair and Electrical Services in Detroit, MI

 

Detroit Service Overview

  • Local Priority: We provide dedicated HVAC, plumbing, and electrical support specifically for neighborhoods across the city of Detroit.
  • Certified Expertise: Our technicians are highly trained to handle the historic infrastructure and specific climate needs of Wayne County homes.
  • Efficiency Focus: We specialize in optimizing your home systems to ensure long-term comfort and reduced utility costs in older and renovated properties alike.

 

At Randazzo Heating, Cooling, and Electrical, we know your home is more than just a place to live—it’s where your life happens. That’s why we’re proud to offer dependable, top-quality services in Detroit, MI, designed to keep your household running smoothly. Whether you need urgent repairs or long-term system upgrades, we’re here to help with reliable electrical, HVAC, sump pump, and water heater services.

Call 586-336-1111 or contact us online to experience the comfort and confidence that come from working with Detroit’s most trusted home service professionals.

Living in Detroit, MI: Serving Every Neighborhood

Detroit runs along major corridors like Woodward Avenue, I-94, and I-75, connecting neighborhoods from Corktown and Midtown to the University District and the East Side. This is one of the highest-demand service areas in Southeast Michigan, with constant calls coming from homes near landmarks like Comerica Park, the Fox Theatre, and Belle Isle. From older brick homes to renovated properties across the city, our team is already working in your area. Call 586-336-1111 or schedule online for fast service in Detroit.

 

“Julian was very nice and very efficient with his work. He showed me everything he checked and worked on and did a great job. Very thorough and efficient.”
SAMANTHA O.

Real Experience Across Detroit, MI Neighborhoods

Detroit is not one type of home or one type of system. You have historic properties in areas like Indian Village and Sherwood Forest, updated homes in Corktown, and long-standing neighborhoods across the West Side and East Side. That means systems fail in different ways depending on the home. We’ve worked throughout Detroit long enough to understand those differences, from tight spacing between homes on the West Side to older duct layouts in early 1900s builds, and fix problems the right way.

Heating Services in Detroit, MI

Heating is critical in Detroit, especially with long winters and older homes that lose heat quickly. Many systems are aging and require consistent maintenance or replacement. When your heat starts acting up, it usually falls into a few key areas:

  • Furnace repair and diagnostics
  • New furnace installation and replacement
  • Annual heating maintenance
  • Heat pump systems

In neighborhoods like the University District and West Village, we often see older furnaces that run inefficiently and struggle to keep homes warm. We address those issues to restore reliable heat and improve overall performance.

 

“I had a service call for a furnace issue. Matt explained the issue and process clearly. He was professional and worked efficiently, answered questions. I have had Randazzo service my heating and cooling for years and recommend them.”
ROXANE K.

 

Air Conditioning Services in Detroit, MI

Cooling older Detroit homes presents unique challenges. Many properties were not originally designed for central air, which leads to airflow and temperature issues. Most cooling calls involve:

  • AC repair and troubleshooting
  • New AC installation and system upgrades
  • Seasonal maintenance and tune-ups
  • Ductless mini-split solutions

In many Detroit homes, especially older brick builds with limited duct space, the original system was never designed to handle modern layouts. We start by evaluating airflow, duct capacity, and system sizing to ensure balanced temperatures across every level.

 

Solving Detroit Home Issues

Problem: Outdated electrical panels in historic Detroit neighborhoods often fail under the load of modern appliances or HVAC systems.

Solution: We perform comprehensive panel upgrades that bring older homes up to code and ensure stable power for your entire property.


Problem: Older brick homes frequently suffer from “hot zones” upstairs because original ductwork wasn’t sized for central air.

Solution: Our technicians use airflow diagnostics and zoning strategies to balance temperatures perfectly across all floors.


Problem: Aging furnaces in West Side homes struggle with Michigan’s extreme winters, leading to high utility costs and cold spots.

Solution: We provide seasonal maintenance and high-efficiency furnace replacements built specifically to handle local climate extremes.

 

Water Heater & Sump Pump Services in Detroit, MI

Water systems in Detroit homes must handle daily use while protecting against potential basement issues. Many homes rely on older equipment that needs regular attention. When these systems fail, it usually comes down to a few common needs:

  • Water heater repair and installation
  • Tankless water heater upgrades
  • Routine maintenance
  • Sump pump repair and replacement

In areas with basements, sump pumps play a key role in preventing water damage. We install and maintain systems that keep your home protected and your hot water consistent.

Electrical Services in Detroit, MI

Electrical systems across Detroit vary widely, especially in older homes built decades ago. Many properties still rely on outdated panels or wiring that cannot support modern demand. Most electrical work we complete includes:

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

If your home still runs on an older panel, especially in historic neighborhoods, it may not safely support newer systems. We upgrade your setup so everything is ready for modern power demands.

 

“Don, is very polite, professional and knowledgeable. He explained what issues were found with our furnace and gave us an option as well. I would recommend Don and Randazzo to my friends and family.”
KIM HALL

 

Why Detroit Chooses Randazzo

Detroit homeowners expect straightforward service and fast response times. Here’s why your neighbors trust Randazzo:

  • Experienced Technicians: Skilled professionals who understand the unique needs of Detroit’s historic and modern homes.
  • Clear, Honest Quotes: No surprises. Just straightforward pricing and clear communication about your repairs.
  • Fast Local Response: We are already working across Detroit neighborhoods, allowing us to respond quickly when you need us.
  • Full-Service Support: One company for your HVAC, electrical, and water systems to keep your home running smoothly.

 

Schedule Service in Detroit Today

If you live in Detroit, from Corktown and Midtown to the West Side and East Side, we are ready to help. Whether your system needs repair, maintenance, or full replacement, you can count on fast, professional service.
  Call 586-336-1111 now or schedule your appointment online.

 

Detroit Home Service FAQ

If your system is making loud noises, failing to lower the temperature, or showing signs of water leaks, it is time to call for professional service.
Absolutely. Our licensed electricians can perform a complete safety audit of your wiring and panel to ensure your home meets current electrical codes.
Yes, we specialize in addressing the unique airflow and heating challenges presented by Detroit’s historic brick properties.

Recent Jobs and Reviews in Detroit, MI

Job Locations and Reviews

Responded to service call for insufficient airflow to second floor. Inspected 10-year-old forced air furnace system and found significant dust and debris accumulation in ductwork affecting proper air distribution. Cleaned accessible duct sections to restore proper airflow to upper level and verified proper thermostat operation in heating mode.
Responded to service call for insufficient airflow to second floor. Inspected 10-year-old forced air furnace system and found significant dust and debris accumulation in ductwork affecting proper air distribution. Cleaned accessible duct sections to restore proper airflow to upper level and verified proper thermostat operation in heating mode.
RZ M.
RZ M. Checked in
Responded to service call for insufficient airflow to second floor. Inspected 10-year-old forced air furnace system and found significant dust and debris accumulation in ductwork affecting proper air distribution. Cleaned accessible duct sections to restore proper airflow to upper level and verified proper thermostat operation in heating mode.
Detroit, MI 48223
Diagnosed and repaired power outage affecting two back bedrooms by identifying faulty circuit breakers in the main electrical panel. Inspection revealed loose connections at the breaker terminals which were tightened and tested, successfully restoring electrical service to all affected areas.
Diagnosed and repaired power outage affecting two back bedrooms by identifying faulty circuit breakers in the main electrical panel. Inspection revealed loose connections at the breaker terminals which were tightened and tested, successfully restoring electrical service to all affected areas.
RZ E.
RZ E. Checked in
Diagnosed and repaired power outage affecting two back bedrooms by identifying faulty circuit breakers in the main electrical panel. Inspection revealed loose connections at the breaker terminals which were tightened and tested, successfully restoring electrical service to all affected areas.
Detroit, MI 48234
Performed complimentary annual furnace maintenance under existing Air Care Membership for 10-year-old furnace system. Conducted standard tune-up protocol with system currently operating at 74°F as verified on programmable thermostat. All components inspected and functioning properly with membership valid through 2025.
Performed complimentary annual furnace maintenance under existing Air Care Membership for 10-year-old furnace system. Conducted standard tune-up protocol with system currently operating at 74°F as verified on programmable thermostat. All components inspected and functioning properly with membership valid through 2025.
RZ M.
RZ M. Checked in
Performed complimentary annual furnace maintenance under existing Air Care Membership for 10-year-old furnace system. Conducted standard tune-up protocol with system currently operating at 74°F as verified on programmable thermostat. All components inspected and functioning properly with membership valid through 2025.
Detroit, MI 48221
Detroit, MI - Responded to callback for incorrect door panel on outdoor condensing unit. Located unit with partially open side panel, and installed correct manufacturer-specified access panel to ensure proper system operation and protection of internal components.
RZ W.
RZ W. Checked in
Responded to callback for incorrect door panel on outdoor condensing unit. Located unit with partially open side panel, and installed correct manufacturer-specified access panel to ensure proper system operation and protection of internal components.
Detroit, MI 48219
Detroit, MI - Responded to no-heat call for 5-year-old forced air residential system. Diagnosed complete loss of power to furnace and traced issue to failed control relay. Replaced faulty relay component, restoring power to system and returning heating functionality to normal operation.
RZ I.
RZ I. Checked in
Responded to no-heat call for 5-year-old forced air residential system. Diagnosed complete loss of power to furnace and traced issue to failed control relay. Replaced faulty relay component, restoring power to system and returning heating functionality to normal operation.
Detroit, MI 48210
Diagnosed control board failure in forced air furnace preventing thermostat communication. Found 24V power to board but no output signal, resulting in no heat. Visual inspection revealed possible water damage and corrosion around drainage components, with mineral deposits affecting mechanical operation of the system.
Diagnosed control board failure in forced air furnace preventing thermostat communication. Found 24V power to board but no output signal, resulting in no heat. Visual inspection revealed possible water damage and corrosion around drainage components, with mineral deposits affecting mechanical operation of the system.
RZ K.
RZ K. Checked in
Diagnosed control board failure in forced air furnace preventing thermostat communication. Found 24V power to board but no output signal, resulting in no heat. Visual inspection revealed possible water damage and corrosion around drainage components, with mineral deposits affecting mechanical operation of the system.
Detroit, MI 48201
Conducted an estimate for replacement of a non-operational 35+ year old furnace located in the basement. Documented existing HVAC setup including the furnace unit with connected ductwork and nearby water heater installation. Evaluation confirms replacement is necessary due to equipment age and failure.
Conducted an estimate for replacement of a non-operational 35+ year old furnace located in the basement. Documented existing HVAC setup including the furnace unit with connected ductwork and nearby water heater installation. Evaluation confirms replacement is necessary due to equipment age and failure.
RZ M.
RZ M. Checked in
Conducted an estimate for replacement of a non-operational 35+ year old furnace located in the basement. Documented existing HVAC setup including the furnace unit with connected ductwork and nearby water heater installation. Evaluation confirms replacement is necessary due to equipment age and failure.
Detroit, MI 48219
Detroit, MI - Completed installation of Option 2 furnace (70,000 BTU) and 2-ton AC system with liner, including all mechanical and electrical connections. Identified code violation requiring GFCI protection for service receptacle within 25' of AC condenser unit, which will need remediation before recall deadline of 3/18/2026.
RZ H.
RZ H. Checked in
Completed installation of Option 2 furnace (70,000 BTU) and 2-ton AC system with liner, including all mechanical and electrical connections. Identified code violation requiring GFCI protection for service receptacle within 25' of AC condenser unit, which will need remediation before recall deadline of 3/18/2026.
Detroit, MI 48228
Responded to callback for furnace water leak and installed outdoor weatherproof GFCI junction box within 25' of condenser to address electrical code violation. Proper connection of electrical wiring completed and verified functionality of the installation.
Responded to callback for furnace water leak and installed outdoor weatherproof GFCI junction box within 25' of condenser to address electrical code violation. Proper connection of electrical wiring completed and verified functionality of the installation.
RZ M.
RZ M. Checked in
Responded to callback for furnace water leak and installed outdoor weatherproof GFCI junction box within 25' of condenser to address electrical code violation. Proper connection of electrical wiring completed and verified functionality of the installation.
Detroit, MI 48221
Conducted assessment of non-operational 10-year-old air conditioning system located in basement with natural gas furnace. Performed measurements of existing mechanical systems and documented current installation configuration. Completed comprehensive quote for full A/C system replacement (Quote #126346-02).
Conducted assessment of non-operational 10-year-old air conditioning system located in basement with natural gas furnace. Performed measurements of existing mechanical systems and documented current installation configuration. Completed comprehensive quote for full A/C system replacement (Quote #126346-02).
RZ P.
RZ P. Checked in
Conducted assessment of non-operational 10-year-old air conditioning system located in basement with natural gas furnace. Performed measurements of existing mechanical systems and documented current installation configuration. Completed comprehensive quote for full A/C system replacement (Quote #126346-02).
Detroit, MI 48209
Conducted comprehensive assessment for new AC installation in residential property with no existing cooling system. Inspected current heating infrastructure, which includes a functional furnace with connected ductwork in the basement utility area. Documented water heater location and existing ventilation to evaluate complete HVAC integration requirements for proposed cooling system.
Conducted comprehensive assessment for new AC installation in residential property with no existing cooling system. Inspected current heating infrastructure, which includes a functional furnace with connected ductwork in the basement utility area. Documented water heater location and existing ventilation to evaluate complete HVAC integration requirements for proposed cooling system.
RZ V.
RZ V. Checked in
Conducted comprehensive assessment for new AC installation in residential property with no existing cooling system. Inspected current heating infrastructure, which includes a functional furnace with connected ductwork in the basement utility area. Documented water heater location and existing ventilation to evaluate complete HVAC integration requirements for proposed cooling system.
Detroit, MI 48207
Returned to complete installation by dropping chimney liner and installed magnet strip for air filter as required. Verified proper connection of metal ductwork to wall penetration and confirmed water heater vent pipe system was correctly installed with appropriate clearances.
Returned to complete installation by dropping chimney liner and installed magnet strip for air filter as required. Verified proper connection of metal ductwork to wall penetration and confirmed water heater vent pipe system was correctly installed with appropriate clearances.
RZ G.
RZ G. Checked in
Returned to complete installation by dropping chimney liner and installed magnet strip for air filter as required. Verified proper connection of metal ductwork to wall penetration and confirmed water heater vent pipe system was correctly installed with appropriate clearances.
Detroit, MI 48221
Responded to callback for HVAC installation to address electrical code violations. Inspected main electrical panel that required proper labeling and installed GFCI protected service receptacle for AC unit as mandated by code requirements. Completed necessary electrical modifications to ensure system compliance with current safety standards.
Responded to callback for HVAC installation to address electrical code violations. Inspected main electrical panel that required proper labeling and installed GFCI protected service receptacle for AC unit as mandated by code requirements. Completed necessary electrical modifications to ensure system compliance with current safety standards.
RZ J.
RZ J. Checked in
Responded to callback for HVAC installation to address electrical code violations. Inspected main electrical panel that required proper labeling and installed GFCI protected service receptacle for AC unit as mandated by code requirements. Completed necessary electrical modifications to ensure system compliance with current safety standards.
Detroit, MI 48235
Completed installation of a complete HVAC system including a 90,000 BTU furnace and 3-ton air conditioning unit with rear liner. Project included upgrading electrical service with a 100-amp panel change and new circuit installation. System was tested with diagnostic equipment showing proper operation parameters, and all necessary mechanical and electrical permits were secured for the installation.
Completed installation of a complete HVAC system including a 90,000 BTU furnace and 3-ton air conditioning unit with rear liner. Project included upgrading electrical service with a 100-amp panel change and new circuit installation. System was tested with diagnostic equipment showing proper operation parameters, and all necessary mechanical and electrical permits were secured for the installation.
RZ J.
RZ J. Checked in
Completed installation of a complete HVAC system including a 90,000 BTU furnace and 3-ton air conditioning unit with rear liner. Project included upgrading electrical service with a 100-amp panel change and new circuit installation. System was tested with diagnostic equipment showing proper operation parameters, and all necessary mechanical and electrical permits were secured for the installation.
Detroit, MI 48202
Detroit, MI - Completed installation of a replacement part (#17F44) on the HVAC system, which included proper mounting of PVC drainage pipes and connecting copper lines to ensure proper condensate removal. The installation was successfully completed with all components secured and functioning correctly.
RZ C.
RZ C. Checked in
Completed installation of a replacement part (#17F44) on the HVAC system, which included proper mounting of PVC drainage pipes and connecting copper lines to ensure proper condensate removal. The installation was successfully completed with all components secured and functioning correctly.
Detroit, MI 48224
Inspected customer's existing HVAC system and identified a non-code compliant furnace installation that presents liability concerns. Documented the current installation with photos showing improper ductwork connections and ventilation issues. Provided full system replacement estimate with recommendation for immediate action due to safety concerns.
Inspected customer's existing HVAC system and identified a non-code compliant furnace installation that presents liability concerns. Documented the current installation with photos showing improper ductwork connections and ventilation issues. Provided full system replacement estimate with recommendation for immediate action due to safety concerns.
RZ E.
RZ E. Checked in
Inspected customer's existing HVAC system and identified a non-code compliant furnace installation that presents liability concerns. Documented the current installation with photos showing improper ductwork connections and ventilation issues. Provided full system replacement estimate with recommendation for immediate action due to safety concerns.
Detroit, MI 48239
Detroit, MI - Completed scheduled air handler maintenance service on residential HVAC system. Inspected furnace/air handler unit with connected PVC venting, checked all connections and verified proper operation. System is functioning correctly with no issues detected.
RZ U.
RZ U. Checked in
Completed scheduled air handler maintenance service on residential HVAC system. Inspected furnace/air handler unit with connected PVC venting, checked all connections and verified proper operation. System is functioning correctly with no issues detected.
Detroit, MI 48221
Completed annual heating maintenance service on HVAC system. Performed visual inspection of internal components including blower motor, heat exchanger, and electrical connections. System requires replacement of filters/pads as noted during service.
Completed annual heating maintenance service on HVAC system. Performed visual inspection of internal components including blower motor, heat exchanger, and electrical connections. System requires replacement of filters/pads as noted during service.
RZ S.
RZ S. Checked in
Completed annual heating maintenance service on HVAC system. Performed visual inspection of internal components including blower motor, heat exchanger, and electrical connections. System requires replacement of filters/pads as noted during service.
Detroit, MI 48209
Performed annual furnace maintenance tune-up on CM:2025 unit. Conducted electrical testing with UEi DL379B clamp meter, measuring amp draw on components (readings: 0.542A and 8.63A). Inspected internal wiring and components including blower motor and verified proper electrical connections.
Performed annual furnace maintenance tune-up on CM:2025 unit. Conducted electrical testing with UEi DL379B clamp meter, measuring amp draw on components (readings: 0.542A and 8.63A). Inspected internal wiring and components including blower motor and verified proper electrical connections.
RZ B.
RZ B. Checked in
Performed annual furnace maintenance tune-up on CM:2025 unit. Conducted electrical testing with UEi DL379B clamp meter, measuring amp draw on components (readings: 0.542A and 8.63A). Inspected internal wiring and components including blower motor and verified proper electrical connections.
Detroit, MI 48224
Performed annual furnace maintenance on a 0-year-old system as requested. Conducted comprehensive inspection of internal components including blower motor, electrical connections, and control modules with all wiring (yellow, red, white, blue) found in proper working condition. System was thoroughly cleaned of accumulated dust/debris and verified proper operation; unit is functioning correctly with next maintenance recommended in 2025.
Performed annual furnace maintenance on a 0-year-old system as requested. Conducted comprehensive inspection of internal components including blower motor, electrical connections, and control modules with all wiring (yellow, red, white, blue) found in proper working condition. System was thoroughly cleaned of accumulated dust/debris and verified proper operation; unit is functioning correctly with next maintenance recommended in 2025.
RZ D.
RZ D. Checked in
Performed annual furnace maintenance on a 0-year-old system as requested. Conducted comprehensive inspection of internal components including blower motor, electrical connections, and control modules with all wiring (yellow, red, white, blue) found in proper working condition. System was thoroughly cleaned of accumulated dust/debris and verified proper operation; unit is functioning correctly with next maintenance recommended in 2025.
Detroit, MI 48223

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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.