When you need superior HVAC services in Farmington Hills, trust the Randazzo Heating, Cooling & Electrical team. Since 1988, we’ve provided comprehensive heating and cooling services from our licensed, insured, and background technicians with an unwavering commitment to excellence.
Schedule your HVAC services today by calling 586-336-1111!

Dependable Heating Services
With bitterly cold winters, Farmington Hills homeowners need a reliable heating system. Randazzo will keep your heat pumps or furnaces operating efficiently with a variety of available heating services, including:
- Installation & replacement: Whether your current system is on its last legs or you’re selecting a system for a new build, we offer professional heating installation and replacement services.
- Repair: If your system isn’t heating your home evenly or making odd noises, call our technicians to inspect and diagnose your issue and provide the necessary heating repairs.
- Maintenance: Keep your system operating at peak performance with routine heating maintenance, during which our technicians will clean, calibrate, and inspect your system.
Top-Rated Cooling Services
Keep your home at an ideal temperature during the warmer months with cooling services from Randazzo. We offer comprehensive care for your central air system and additional services for ductless AC and installation of various smart and programmable thermostats. Get the most out of your cooling from our technicians with:
- Installation & replacement: If you’re ready to replace your AC, we’ll handle it all, from the safe removal of the old unit to the installation, setup, and calibration of your new system.
- Repair: Call us to schedule air conditioning repairs if you’re AC blows warm air, makes strange sounds, or produces a burning smell.
- Maintenance: Our air conditioning tune-up appointments include routine maintenance tasks like replacing air filters, cleaning the unit, testing all electrical connections, and more.
Contact Randazzo Heating, Cooling & Electrical today at 586-336-1111 to schedule expert cooling services!
Air Quality Services in Farmington Hills
At Randazzo, we know you want to keep your family healthy. With our indoor air quality services, we can help ensure that the air you breathe every day is clean and safe. We offer a variety of systems that work to remove pollutants and contaminants from the air that can negatively impact your health, sleep, comfort, and more, including:
- Air scrubbers & purifiers: These whole-home systems use ActivePure Technology to destroy up to 99% of all surface contaminants, including E. Coli, mold, and norovirus.
- UV purifiers: Ultraviolet purifiers from Healthy Climate control and kill contaminants, including viruses, bacteria, yeast, and mold, to improve your health and HVAC performance.
To get a free estimate for your IAQ service, call us at 586-336-1111 today!
Signs You Need Professional HVAC Services
- Unexplained increases in energy bills: If you have a sudden spike in your utility bills, your HVAC could be working harder than it should.
- Reduced airflow: If you aren’t getting warm or cool air blowing through your home, there could be a variety of issues with your HVAC system.
- Unusual noises: Odd noises like clanking, rattling, and grinding often come from loose or broken components that need to be repaired or replaced.
- Power issues: If your HVAC won’t turn on or constantly turns off, you may have a problem requiring repairs.
- Decreased performance: If your system isn’t providing the comfort it once did, you could require repairs or a simple tune-up to get back to optimal performance.
If you’re having these issues or more, don’t delay! Schedule your HVAC services today by calling 586-336-1111!
Why Choose Us in Farmington Hills?
With over 30 years in the industry, you can trust Randazzo to provide outstanding HVAC services for your Farmington Hills home. As a Lennox Premier Dealer, we offer our customers only the highest quality products with unmatched service to ensure that your needs are met and your expectations are exceeded.
Our technicians are highly trained to provide superior craftsmanship, and with service for all brands, you’re in capable hands with Randazzo Heating, Cooling & Electrical. We offer services for all brands and never use subcontractors, and with our free estimates on replacement quotes and service calls, and available financing, we’re sure to have a solution that fits your budget!
For all your HVAC needs in Farmington Hills, contact Randazzo Heating, Cooling & Electrical today at 586-336-1111.
Recent Jobs and Reviews in Farmington Hills, MI
Job Locations and Reviews
Completed scheduled air conditioning maintenance on residential cooling system. Performed electrical diagnostics using digital multimeter, recording voltage reading of 6.12V at control circuit. Measured operating amperage of unit at 16.6 amps using clamp meter at compressor circuit. Inspected internal electrical components, wiring connections, and control board within outdoor condensing unit. Verified proper wire terminations and cable management. System operational upon completion of maintenance inspection.
Completed warranty replacement of heat exchanger, inducer motor, and furnace cabinet assembly. Removed existing furnace components, installed new heat exchanger with proper sealing and gaskets, replaced inducer motor assembly with new unit including wiring connections and mounting hardware, and reinstalled complete furnace system into new cabinet housing. All components were properly secured, electrical connections verified, and system tested for proper operation upon completion.
Completed annual cooling maintenance on residential HVAC system and performed hot water heater flush. Replaced air filter, cleaned condensate drain line and flushed system to ensure proper drainage. Flushed hot water heater to remove sediment buildup and maintain efficient operation. Outdoor condenser unit showed significant weathering with dirt accumulation and organic growth but remained operational. All equipment tested and confirmed functioning within normal parameters upon completion.
Provided estimate for new mini split installation in sunroom area. Customer specifically requested Mitsubishi hyper heat system with MSZ-FX09NL indoor unit and SUZ-AA09NLHZ outdoor unit. Assessed existing electrical infrastructure including meter location, disconnect boxes, and available conduit pathways on exterior brick wall for outdoor unit placement and line set routing to sunroom.
Completed scheduled Air Care Maintenance on residential air conditioning system. Performed comprehensive inspection of outdoor condenser unit, checked refrigerant pressures and temperatures using digital manifold gauges, verified system operation within manufacturer specifications, and documented equipment condition with photos showing unit positioned against perimeter fence with proper clearance and landscaping.
Completed annual air conditioning maintenance and tune-up on residential outdoor condenser unit per membership agreement. Performed comprehensive system inspection, checked electrical connections and conduit, verified fan operation and guard integrity, and assessed overall unit condition. All components found operating within normal parameters with routine seasonal maintenance successfully completed.
Performed routine air conditioning maintenance on residential Lennox condenser unit. Completed standard ACM protocol including system inspection, cleaning of condenser coils, verification of electrical connections at disconnect box, and operational testing of all components. Unit found in good working condition with no deficiencies noted.
Completed scheduled air conditioning maintenance on outdoor condensing unit. Performed routine inspection of condenser coil, verified proper operation of fan motor and compressor, and checked refrigerant levels. Replaced air filter and cleaned condensate drain system. Unit operating within normal parameters upon completion of maintenance service.
Successfully completed installation of a 3.5-ton air conditioning system with evaporator coil in rear configuration. Installed new copper refrigerant line set with proper insulation, mounted condensate pump with electronic controls featuring indicator lights, and connected all necessary ductwork and drainage components. Reconnected electrical service, verified proper system operation, and ensured all mechanical and refrigeration connections met code requirements as permits were previously requested.
Completed comprehensive HVAC maintenance service including air care heating and cooling system inspection. Replaced furnace filter and humidifier pad as scheduled. Performed thorough inspection of outdoor condenser unit, which showed significant exterior weathering and dirt accumulation on cabinet panels and louvers. Verified unit operational status, confirmed fan operation, and checked refrigerant lines and electrical connections. System tested and operating within normal parameters upon completion of maintenance tasks.
Provided estimate for standard tank-style water heater replacement due to issues with existing unit. Assessed current natural draft water heater installation in basement area, evaluated mechanical space conditions including ductwork clearances and concrete foundation surfaces. Documented exterior utility connections and venting requirements for proper installation planning.
Completed scheduled Air Care Heating and Cooling maintenance on AHC unit 4/1010-2. Upon arrival, discovered severe deterioration of condenser coil insulation with extensive shredding and material separation exposing underlying coil fins. Performed fin straightening and cleaning procedures using fin comb tool to restore proper airflow through heat exchanger coils. Documented pre-existing insulation damage requiring future replacement to prevent continued degradation and maintain unit efficiency.
Performed scheduled preventive maintenance on outdoor air conditioning unit. Inspected condenser coil and found moderate accumulation of dust, debris, and seasonal leaf matter on fins and surrounding areas. Cleaned exterior surfaces, removed organic debris from unit perimeter, and verified proper airflow through heat exchanger components to ensure optimal system performance for upcoming cooling season.
Responded to callback regarding loud high-pitched noise from device installed under bathroom sink following previous day's tankless water heater installation. Inspected under-sink plumbing connections and identified source of noise. Resolved issue and verified system operating quietly and properly before departure.
Conducted HVAC replacement estimate for mobile home with 16-year-old International Comfort rooftop AC unit experiencing thermostat communication failure. Diagnosed no voltage at thermostat while confirming proper voltage at unit, indicating damaged or disconnected stat wire requiring complete replacement run. Assessed severely corroded outdoor electrical panel and weathered utility connections serving the HVAC system. Provided estimate options for complete thermostat wire installation with additional labor requirements and discussed system replacement considerations given equipment age and existing gas furnace configuration.
Completed annual cooling maintenance on residential air conditioning system. Performed comprehensive inspection of outdoor condenser unit, checked refrigerant levels, cleaned coils, tested electrical components with multimeter, and verified proper system operation. Unit found to be operating within normal parameters with no issues identified.
Completed annual cooling maintenance on outdoor condensing unit. Inspected heat exchanger coils, corner guards, and unit foundation for proper operation and structural integrity. Changed furnace filters and documented unit condition with exterior showing normal weathering and debris accumulation on concrete pad requiring no immediate corrective action.
Completed scheduled Air Care Maintenance on residential HVAC system, including inspection and servicing of outdoor condenser unit and replacement of furnace filters. Unit was found in good operating condition with all components functioning properly, and work area was cleared of debris to ensure optimal airflow and system performance.
Completed full installation of Energy Star certified tankless water heater in basement mechanical room, mounted to concrete block wall with proper structural support. Installed new copper supply piping with inverted U-configuration, routed black electrical conduit and wiring for dedicated circuit, and connected white PVC exhaust/intake venting system through exterior brick wall with appropriate termination fittings and mounting brackets. All mechanical and electrical permits obtained prior to installation, ensuring code-compliant setup with organized pipe routing and professional finish.