Stay comfortable all year round, boost your efficiency, and protect your investments with Randazzo Heating, Cooling, and Electrical. Our technicians are certified and insured to handle all your HVAC and electrical services in Ann Arbor, MI, and the surrounding communities.
Heating and Cooling Services in Ann Arbor, MI
As a Michigan-based company, we know the weather can change quickly and reach extremes. Our experts provide comprehensive furnace and heating services and AC unit services to keep your equipment in top shape. Have peace of mind with systems that work effectively, efficiently, and safely.
Heater and AC Repairs in Ann Arbor
Need a professional to fix your heating system? Or need repairs for your AC unit? You can count on Randazzo Heating, Cooling, and Electrical to provide your solution. We’re a trusted choice for local HVAC and furnace repairs around Ann Arbor, MI.
If you suspect there’s an issue with your equipment or your system stops working altogether, we can provide emergency services to restore your unit’s functionality and performance.
Our technicians conduct detailed inspections, identify the source of an issue, and explain your service options with upfront estimates. We keep our work vans equipped with the necessary tools and parts, ensuring we can fix your system as quickly as possible.
Installations
You may need a new heater or air conditioning replacement if your systems have aged significantly, need the same repairs frequently, or make odd sounds. As a Lennox Premier Dealer, we can help you choose from the industry’s top-rated systems at competitive prices.
Our experts offer useful advice to help you choose units based on your home’s size and layout, energy preferences, and budget requirements. On a day that works best for you, we’ll remove your old unit, install your replacement, and complete testing to verify that it meets performance standards. Typically, we complete this process within 10 hours.
Maintenance
We recommend scheduling air conditioning maintenance and heating maintenance services at least once a year. During our annual checkups, our technicians conduct detailed inspections to identify issues early on and prevent costly repairs. We complete tune-ups and lubricate all moving parts to keep your systems working optimally and extend their longevity.
Water Heater Services
Hot water is a necessity for your home. When doing the dishes, taking a hot shower, or completing a load of laundry, you rely on your water heater to work as it should.
Randazzo technicians are experts in water heater repair and installation in Ann Arbor. We’ve worked with tankless, standard, hybrid and many other kinds of water heaters. Keep your house supplied with fresh, hot water throughout the year. Our hot water heater repair services and installations are comprehensive and done right the first time.
Electrical Services
In Ann Arbor, MI, Randazzo Heating, Cooling, and Electrical is a leading choice for residential electrical services. We use the industry’s best techniques to repair, install, replace, or maintain electrical systems. Work with us to receive exceptional services for your whole-home wiring, electrical panel, or generator needs.
Contact the Best Heating and Cooling Company in Ann Arbor
Need HVAC, hot water, or electrical services for your home? Randazzo Heating, Cooling, and Electrical is ready to help. We go the extra mile to exceed your expectations with every service. Call 586-271-8003 or 586-271-8003 (toll free) for more information and contact us to request a free estimate.
Recent Jobs and Reviews in Ann Arbor, MI
Job Locations and Reviews
Performed annual cleaning and maintenance on HVAC system per customer request. Upon inspection, found both evaporator coil and condenser unit heavily contaminated with accumulated dust, dirt, and debris. The evaporator coil exhibited severely matted and compressed aluminum fins with significant buildup causing grayish-brown discoloration throughout. Fin spacing was compromised due to dense accumulation creating a felted texture across surfaces. Condenser unit showed similar heavy contamination with thick, matted debris layer obscuring individual fin spacing and restricting airflow. Thoroughly cleaned evaporator coil assembly, removing accumulated contaminants from aluminum fins and restoring proper fin spacing for optimal heat transfer. Cleaned copper refrigerant tubing showing oxidation and discoloration. Addressed condenser coil cleaning, removing substantial debris buildup from all accessible fin surfaces to restore airflow capacity and heat exchange efficiency. Inspected refrigera
Conducted on-site assessment for air conditioning system replacement on aging residential unit. Evaluated existing HVAC infrastructure including furnace installation, electrical service capacity at exterior meter location, and overall system configuration to provide comprehensive replacement quote for new air conditioning equipment.
Conducted comprehensive assessment of 25-year-old furnace and air conditioning system located in basement for replacement estimate. Both units currently operational but have reached end of expected service life. Evaluated existing Carrier outdoor condenser unit, associated refrigerant lines, electrical connections, and indoor furnace components to determine specifications for replacement equipment and identify any necessary upgrades to ductwork, electrical service, or venting systems required for new installation.
Completed scheduled Air Care Maintenance on two air conditioning systems and two air handler units. Performed comprehensive system inspections including electrical diagnostics with multimeter readings, verified proper operation of Healthy Climate components, inspected control boards and wiring harnesses, and documented equipment condition with photos. All units tested within normal operating parameters and preventive maintenance tasks completed per manufacturer specifications.
Completed scheduled air conditioning maintenance service including inspection of evaporator coil and air handler system. Verified thermostat operation showing proper temperature display and control functionality, replaced air filter and evaporator pad as part of routine preventive maintenance protocol.
Completed estimate for replacement of 39-year-old York furnace and air conditioning system located in basement mechanical room. Assessed existing natural gas furnace with associated ductwork and outdoor condensing unit, both units operational but at end of service life. Provided BOGO replacement quote for complete heating and cooling system upgrade including new furnace, air handler, evaporator coil, and outdoor condensing unit with updated refrigerant lines and necessary electrical connections.
Responded to customer concern regarding bathroom exhaust fan allowing cold air infiltration when both on and off. Inspected ceiling-mounted ventilation unit and electrical connections. Identified improper damper operation allowing exterior air backflow through vent housing. Verified wiring connections were secure and fan motor functioning correctly.
Completed estimate for whole-home surge protector installation at a 1972 condominium. Inspected existing electrical service consisting of multiple digital electric meters mounted on exterior brick wall with weathered metal enclosures. Documented current metering configuration showing three OpenWay digital meters serving multiple units with various conduits and wiring connections. Assessed panel accessibility and existing grounding system, noting exposed grounding conductors present at installation. Photographed meter bank arrangement and service entrance equipment to determine optimal surge protection device placement and compatibility with existing infrastructure. Provided recommendations for Type 2 surge protective device installation based on observed electrical service configuration and building age.
Responded to service call for 2-month-old furnace running excessively hot with thermostat temperature reading inaccuracies. Upon inspection, verified thermostat displayed 74°F while actual supply air temperature measured 32.4°F at heat exchanger, indicating significant temperature sensor malfunction. Configured S40 thermostat setup to restore proper temperature calibration and system communication, resolving incorrect temperature readings and preventing furnace from overheating due to faulty sensor feedback.
Completed comprehensive ComfortGuard maintenance package on HVAC system. Performed electrical diagnostic testing using clamp meter, measuring amperage readings of 5.56A and 5.18A on system wiring and connections to verify proper electrical draw and component operation. All electrical connections inspected and confirmed secure with proper voltage and current flow within manufacturer specifications.
Completed annual comprehensive maintenance on outdoor HVAC condensing unit. Inspected coil panels which showed significant accumulation of dirt, dust, and debris requiring cleaning. Verified unit operation, checked refrigerant lines and electrical connections, and documented equipment condition with photographic evidence for service records.
Completed routine Air Care Maintenance on residential air conditioning system. Performed comprehensive inspection of outdoor condensing unit, electrical disconnect components, and refrigerant line connections. All fuses, wiring, and electrical connections were found in proper working condition with no deficiencies noted. Unit operating within normal parameters with no service interventions required at this time.
Conducted comprehensive full system estimate for residential HVAC replacement. Evaluated existing 16-year-old air conditioning unit that failed last season and 15-year-old low-efficiency furnace, both requiring replacement due to age and performance issues. Assessed basement mechanical room layout, existing ductwork configuration, and utility connections including gas, electrical, and condensate drainage. Documented current water heater installation and discussed potential replacement options as part of overall home comfort system upgrade. Photographed existing equipment, piping arrangements, and installation area to develop accurate replacement proposal for complete heating and cooling system suited to customer's timeline of replacement within the next couple weeks.
Completed routine maintenance and tune-up on a 7-year-old forced air furnace system. Performed comprehensive system diagnostics using digital multimeter to verify electrical performance and measure amp draw on blower motor, confirming readings within normal operating parameters at 0.285 amps. Inspected internal components including burner assembly, heat exchanger, ignition system, and blower motor. Checked all electrical connections, wire harnesses, and control board for proper operation and secure mounting. Verified gas valve operation and flame sensor functionality. System tested and confirmed operational with no issues identified requiring immediate repair.
Completed annual cooling maintenance on outdoor AC unit per scheduled service call. Connected manifold gauges to service ports and performed refrigerant pressure diagnostics to verify proper system charge and operation. Inspected refrigerant line connections, copper piping, valves, and all mechanical components for proper function and potential leaks. All equipment found operating within normal parameters with no issues identified during inspection.
Completed routine maintenance on an 8-year-old central air conditioning system currently operating properly. Performed comprehensive AC tune-up including inspection of outdoor condensing unit, verified proper airflow through condenser coils, checked refrigerant levels, and tested electrical connections. Noted moderate accumulation of dirt and debris on condenser fins and surrounding area; cleaned coils to restore optimal heat transfer efficiency. Inspected condensate drainage system including PVC discharge lines for proper operation. All components tested within normal operating parameters, and system left in good working condition for continued reliable cooling performance.
Responded to service call for water leaking from humidifier into furnace. Inspected HVAC system and humidifier installation, identified source of water intrusion, and documented equipment condition with photos. Diagnosed issue and provided repair recommendations to resolve water leak and prevent further damage to furnace components.
Provided estimate for complete HVAC system replacement including furnace and air conditioner under BOGO promotion for basement-installed equipment dating from 2006. Non-functional air conditioning unit and aging furnace require replacement, with exterior condenser unit accessible via narrow side yard passage adjacent to existing electrical service and gas lines.
Completed annual cooling maintenance on residential HVAC system. Inspected indoor air handler and found heavily soiled air filter with significant dust and debris accumulation, restricting airflow to the system. Examined outdoor condensing unit and documented extensively clogged condenser coils with thick buildup of dirt, dust, and environmental debris between fins, severely impacting heat transfer efficiency and system performance. Both components showed signs of extended operation without regular maintenance, requiring attention to restore proper system function and prevent premature equipment failure.
Completed annual preventive maintenance on residential split system air conditioning unit. Performed comprehensive inspection of outdoor condenser unit, noting diagonal discoloration pattern on heat exchanger coils indicating differential dirt accumulation and environmental exposure. Verified unit operational status, checked electrical connections, and confirmed proper mounting on concrete pad. System found to be in functional condition with no immediate service requirements identified during this scheduled maintenance visit.
