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Heating & Cooling Services in Warren, MI

Furnace, air conditioning, heat pump, and water heater repair and installation for Warren homes and businesses, from the Finzel family and team you know.

Your Warren HVAC Team, Minutes Away

Warren is a short drive southwest of our Clinton Township shop, and we serve neighborhoods along Van Dyke, Mound, Hoover, Groesbeck, and 12 Mile through 14 Mile.

Warren is the largest city in Macomb County, with about 58,000 homes and a median build year of 1965. Most are single-family brick ranches from the 1950s and ’60s, and about 88% heat with natural gas. Many have been through several furnaces and air conditioners, while the original ductwork stayed in place.

We serve all of Warren, including ZIP codes 48088, 48089, 48091, 48092, and 48093, with honest recommendations, up-front pricing, and work done right the first time.

S. Finzel Mechanical service van

Heating & Cooling Services for Warren Homes

Licensed technicians for repairs, replacements, and maintenance on every major comfort system in your home.

Furnaces & Heating

Furnace repair, replacement, and tune-ups to keep your Warren home warm all winter. Furnace services

Air Conditioning

AC repair, installation, and maintenance for cool, dry summers. AC services

Heat Pumps & Ductless

Efficient heat pumps, dual-fuel systems, and ductless mini-splits. Heat pump services

Water Heaters & Air Quality

Water heater repair and replacement, humidifiers, and indoor air quality upgrades. Water heater services

Commercial HVAC service

Common HVAC Needs in Warren Homes

Furnace Replacement in Brick Ranches

Aging basement furnaces that are due for a high-efficiency upgrade.

Original 1950s and '60s Ductwork

Older ducts that leak, limit airflow, or need sealing.

Central Air Replacement

Aging air conditioners that can't keep up in the summer.

Water Heater Replacement

Basement tank water heaters near the end of their life.

Commercial and Rental Service

Heating and cooling for landlords, shops, and light commercial spaces.

HVAC Service in Three Simple Steps

Call & schedule

Reach a live local team and book a time that works for you, with same-day appointments when available.

Diagnose & quote

A licensed technician finds the cause, explains your options, and gives you a clear price before any work begins.

Fix & follow up

We complete the work cleanly, test your system, and make sure you are comfortable before we leave.

DTE Rebates for Warren Homeowners

If your Warren home has DTE Energy service, you may qualify for rebates on qualifying equipment installed by a DTE participating contractor:

  • Furnaces: up to $400 on a high-efficiency gas furnace, plus up to $300 in limited-time bonuses for installs between October 1 and December 15, 2026. Furnace rebates
  • Furnace tune-ups: up to $150 for a tune-up with combustion analysis done by November 15, 2026.
  • Heat pumps: up to $1,200 for electric customers replacing electric heat. Heat pump rebates

Rebate details from DTE Energy as of October 2026 and subject to change. Call (586) 366-4328 and we’ll help you figure out which rebates fit your home.

Warren HVAC Questions

Yes. We serve homes and businesses throughout Warren, including ZIP codes 48088, 48089, 48091, 48092, and 48093.

Not always. Many 1950s and ’60s duct systems still work well with sealing and small changes. We’ll check yours during your estimate and tell you honestly whether it needs work.

Yes. We service commercial heating and cooling systems, including rooftop units. See our commercial services page for details.

DTE Energy customers may qualify for furnace, central air, and heat pump rebates when the work is done by a DTE participating contractor. See our furnace and heat pump pages for current amounts.

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