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Open 24 hours · No overtime charge nights, weekends or holidaysServing 20 miles around Ypsilanti, MI · Flat-rate pricing

Heat Pump Repair in South Lyon, Michigan

South Lyon is about 30 minutes from our shop in Ypsilanti. Outdoor unit iced solid, house running on expensive backup heat, or no cooling in July? We repair air-source heat pumps year-round, every brand, at one flat rate.

Heat pumps are newer to South Lyon than furnaces, and most of the ones we repair went in within the last ten years as the DTE Energy rebates and the federal credit made them attractive. That means a lot of South Lyon, MI homeowners are seeing their first iced-over outdoor unit or their first winter electric bill that doubled, and they are not sure what is normal. Temprasure repairs air-source heat pumps across 48178 and the rest of Oakland County, standalone and dual-fuel, and we explain what we find in plain language. We are about 30 minutes away and the repair is a flat rate.

South Lyon houses and what that means for heat pump repair

South Lyon's housing covers the full range from Victorian to brand new. The downtown blocks off Lafayette and the streets behind the depot are 1880s to 1920s frame two-stories and bungalows on Michigan basements, with retrofitted ductwork and a furnace in whatever corner of the basement had headroom. The 1950s and 60s ranches along Pontiac Trail and Nine Mile are on block basements or crawlspaces with single-return systems. Colonial Acres is 1970s and 80s ranch-style condos and small houses with compact furnaces and water heaters in closets, serving an older population that needs reliable heat. The big block of housing is the 1995 to 2015 subdivisions, such as Trotters Pointe, Hidden Creek and Eagle Heights, colonials on poured basements with 80 percent furnaces and R-410A condensers from the first years of that refrigerant, now coming up on replacement. The newest township builds have two systems and zoning. Water heaters in the subdivisions are 50-gallon or power-vented gas units, and 200-amp service is standard there, unlike the downtown blocks.

Most heat pumps in South Lyon were installed as replacements for central air in the 1880s–1940s depot-town houses and 1990s–2010s subdivision colonials around the Pontiac Trail corridor, paired with the existing gas furnace as a dual-fuel system. That setup is a good fit for a Oakland County winter, but it depends on a changeover that a lot of installers never set correctly. If the thermostat or outdoor sensor hands off to the furnace at 45 degrees, the heat pump barely runs and the DTE Energy rebate math never pays off. If it hands off at 15, the heat pump grinds through cold nights it cannot handle. On every dual-fuel repair in South Lyon, MI we check the balance point against the equipment's capacity and the current rates and set it where it belongs.

Heating calls from South Lyon come in two waves: the first real cold night in November and whatever stretch of January the polar vortex decides to visit. Both times we are 30 minutes away with ignitors, flame sensors, pressure switches and inducer motors on the truck. The 1880s–1940s depot-town houses and 1990s–2010s subdivision colonials around Brookwood Farms and Eagle Heights mostly burn DTE Energy natural gas, and the furnaces in them are old enough that a heat exchanger inspection is part of every visit, not an upsell. Near Erwin Orchards and out toward the Nine Mile Road subdivisions, we also see high-efficiency furnaces whose exterior vents ice over in a storm, which looks like a dead furnace and is a ten-minute fix.

Local details we plan around in South Lyon

  • Colonial Acres has a high concentration of older residents on compact systems, and we prioritize same-day heat calls there in winter.
  • The 1990s subdivisions were built with flex-duct branches that have sagged in the basement joists, which is the first thing we check for weak airflow upstairs.
  • Downtown houses from the 1880s to 1920s often have 60-amp or 100-amp panels and limited side-yard clearance, both of which shape how central air gets added.
  • South Lyon sits on rolling ground at the edge of the lake country, with the Huron River's tributaries and Lake Angela adding humidity to the low spots and the open farmland toward Salem Township letting winter wind through. The city is far enough north and west to see a bit more snow than Ypsilanti, and clear-night lows run colder than the Wayne County suburbs. The old downtown has heavy tree cover; the subdivisions mostly do not, and west-facing second floors there run hot in July.
30 mindrive from our Ypsilanti shop
20 miinside our 20-mile radius
24 hrssame flat rate, any hour
48178ZIP codes we cover in South Lyon

What South Lyon homeowners call about

Outdoor unit encased in ice

A light frost that clears every half hour or so is normal. A thick shell of ice that never melts means the defrost cycle has failed. Switch to Emergency Heat and call.

Furnace running constantly on a dual-fuel system

If the gas furnace carries the house on mild days, the balance point or the outdoor sensor is wrong, or the heat pump has failed and the system fell back silently.

Electric bill doubled in winter

The heat pump has quietly handed off to the backup strips. A failed defrost board, a bad outdoor sensor or a refrigerant problem is usually behind it.

Four views of a newly installed Guardian gas furnace with sealed plenum, labeled New Furnace
The replacement for the old Arcoaire: a new Guardian furnace with the plenum resealed.

Covered on a South Lyon visit

  • Charge verification by seasonal superheat and subcooling
  • Repairs on every brand of residential air-source heat pump
  • Reversing valve and solenoid diagnosis and replacement
  • Electric backup heat strip, sequencer and limit repair
  • Outdoor fan motor and indoor blower motor replacement
  • Low-voltage wiring and control repair

How a heat pump repair call works

  1. Flat-rate quote before any work

    We show you the failed component and quote one number. Same rate at night and on weekends.

  2. Repair from the truck

    Defrost boards, outdoor sensors, contactors, capacitors, fan motors and refrigerant ride with us. Reversing valves and compressors are ordered for your specific unit.

  3. Verify through a full cycle

    In winter, we watch a defrost cycle complete and confirm the backup heat stages correctly. In summer, we verify temperature split and subcooling. Dual-fuel systems get the changeover tested.

Reviews from nearby homeowners

★★★★★

Al & Co. came out and took very good care of me and my family. He showed up within an hour of me making contact and was able to diagnose and take care of the problem quickly and for reasonable pricing.

Kareem L. · Google review, 2024

Heat Pump Repair questions from South Lyon

Can you repair the heat pump brands sold in South Lyon?

All of them. Carrier, Bryant, Lennox, Trane, Goodman, Amana, Rheem, Ruud, York, Bosch, Daikin and the builder-grade units installed across Oakland County. The failing components are largely universal.

My South Lyon heat pump is iced over. Is that an emergency?

Switch to Emergency Heat so the backup carries the house. If the house holds temperature, it can usually wait until the next day. If the house is losing ground or the strips have also failed, call us right away.

Why did my winter electric bill in South Lyon double?

The heat pump most likely handed off to the electric strips because of a defrost failure, low refrigerant or a misconfigured outdoor sensor. We find the cause, fix it, and verify the strips only run when they should.

Do you repair dual-fuel heat pumps in South Lyon?

Yes. Heat pumps paired with a gas furnace are common in South Lyon, MI. We repair the heat pump, confirm the furnace is healthy, and set the balance point so the system uses the cheaper heat source at each outdoor temperature.

Is a heat pump the right equipment for a South Lyon winter at all?

Modern cold-climate units heat well below zero. Older or builder-grade units lose capacity below about 25 degrees and rely on backup. If yours struggles on a mild day, that is a repair, not a limitation of the technology.

Serving every part of South Lyon

A heat pump that works but is staged wrong is costing you money every day the furnace or the strips run when they should not. Have Temprasure check the balance point, the outdoor sensor and the defrost cycle on your 48178 system, and fix whatever has drifted since it was installed. Same flat rate nights and weekends, the dispatch fee credited toward any repair, and a written report of what we found. Call today.

Neighborhoods and areas we run to regularly: Brookwood Farms, Colonial Acres, the Nine Mile Road subdivisions, Lake Angela, the Pontiac Trail corridor, Trotters Pointe, and the rest of South Lyon.

Heat Pump Repair in South Lyon, quoted before we start

Call or text (313) 701-9471. South Lyon is a 30-minute run for us and we are open around the clock.

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