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

AC Installation & Replacement in Chelsea, Michigan

Chelsea is about 36 minutes from our shop in Ypsilanti. A new central air system sized to your house, matched to your furnace, and installed by the owner. Free estimates, flat-rate pricing, and an honest word first about whether you need one at all.

Humid summers are what wear out air conditioners in Chelsea, and they are also what make a correctly sized replacement feel so different from the old one. If your 1890s–1920s village homes and 1990s–2010s subdivisions on the edges home near M-52 north of town has been reading 72 and feeling sticky for a few Julys, the fix is not a bigger unit. It is a right-sized one, often two-stage, with a coil that matches and a drain that is trapped properly. That is the job Temprasure does across 48118 and the rest of Chelsea: free estimate, flat-rate quote, owner-installed, Washtenaw County permit included.

Chelsea houses and what that means for ac installation

The in-town housing is dominated by 1890s–1940s two-stories, foursquares and bungalows on fieldstone or early block basements with plaster walls and ductwork retrofitted into a house that was designed for a coal furnace or stoves. Flues in these homes are often unlined brick, and we see a lot of 80 percent furnaces that have been venting into a chimney that should have been relined years ago. The post-war ring along McKinley Street and Freer Road is 1950s–70s ranches and capes, some on slabs, with electric baseboard still present in a few. Chelsea Fairways, Heritage Pointe and the other 1990s–2010s subdivisions are colonials and ranches on full basements with builder-grade 80 percent furnaces and single-stage air conditioners that are now hitting replacement age. Outside the city on Werkner, Waterloo and Cavanaugh Lake Roads, we see lakefront cottages that were winterized, farmhouses with multiple additions, and newer acreage homes on propane and well water.

Newer subdivisions in Chelsea come with their own replacement pattern. The builder-grade systems installed in the 2000s and early 2010s near the Chelsea Depot are reaching the end of their useful life more or less all at once, and most of them were sized by rule of thumb at a half ton or more above what the house actually needs. We see the result on summer calls: short cycles, high indoor humidity, and a second floor that never catches up. A replacement for one of these Chelsea homes is a chance to right-size the equipment, consider a two-stage condenser for longer, drier run times, and fix the flex-duct kinks in the attic or basement that the original crew left behind.

A cooling call in 48118 usually begins with the same sentence: it ran fine yesterday. In Chelsea that is almost always true, because the failure was building for a season and the hot day just finished the job. Our technicians know the 1890s–1920s village homes and 1990s–2010s subdivisions on the edges along Chelsea Fairways and the newer builds near Old US-12 corridor well enough to guess what is on the pad before we pull in, but we still measure. Chelsea has 5,500, serving a rural area of roughly 15,000 people and a lot of air conditioners sharing a Consumers Energy in much of the city, DTE Energy on some outlying roads grid on hot afternoons, and the difference between a thirty-minute capacitor swap and a compressor quote is a meter reading, not a hunch.

Local details we plan around in Chelsea

  • The city runs its own water system from wells, and the water is hard enough that we recommend annual flushing on tank water heaters here.
  • Outside the city limits, propane furnaces and water heaters are routine, and propane conversions and regulator problems are a normal part of our Chelsea calls.
  • Unlined brick chimneys in the historic neighborhoods are the single most common venting problem we find during furnace replacements in town.
  • Chelsea is high and open compared with the river towns to the east, and it gets more wind and a bit more snow than Ypsilanti, with polar vortex nights that run a few degrees colder. The lakes in the Waterloo Recreation Area and around Cavanaugh Lake add summer humidity for the homes closest to them. Heavy tree cover downtown and on the older residential streets shades roofs in July, while the newer subdivisions on the east side have little mature canopy yet.
36 mindrive from our Ypsilanti shop
25 miinside our 20-mile radius
24 hrssame flat rate, any hour
48118ZIP codes we cover in Chelsea

What Chelsea homeowners call about

The unit is 15-plus years old and needs a major repair

A compressor, an evaporator coil or a large refrigerant leak on a system from the mid-2000s or earlier usually costs more over the next five years than replacing it.

Uneven cooling you cannot fix

Second floors that run 8 to 10 degrees hotter than the first are often a duct and staging problem a new two-stage or variable-speed system can address along with duct corrections.

The house never feels dry

An oversized or worn-out system that short cycles cannot dehumidify. If the thermostat says 72 and the house feels sticky, the system is wrong for the house.

An old corroded evaporator coil next to a brand-new coil with a TXV
A corroded evaporator coil that had been leaking refrigerant, beside its replacement with a new TXV.

Covered on a Chelsea visit

  • Manual J load calculation sized to your actual house
  • New matched evaporator coil on the existing or new furnace
  • Line set replacement or proper flush and pressure test when reuse is appropriate
  • New composite condenser pad, set level
  • Manufacturer warranty registration in your name
  • New filter drier, deep vacuum to 500 microns, weighed-in R-454B charge

How a ac installation call works

  1. Free in-home estimate

    Al walks the house, measures rooms and windows, checks the furnace, blower, ductwork, electrical panel and the existing line set, and asks how the house actually behaves in July.

  2. Installation day

    Old equipment recovered and hauled away, new pad set level, coil and condenser installed, line set evacuated to 500 microns, charge weighed in, drain trapped with a float switch, electrical and thermostat finished.

  3. Inspection and warranty registration

    We meet the inspector, register the equipment so the full manufacturer's parts warranty applies, and hand you the DTE rebate and 25C paperwork if the system qualifies.

Reviews from nearby homeowners

★★★★★

On June 24 around 3:00 p.m., our A/C stopped working. I called several A/C repair companies and they all told me that it would take from several days to a few weeks to come out. Then I ran across Temprasure. I spoke to Al, and he came out the same day and diagnosed my 26-year-old A/C unit. The bad news is that it could not be repaired. The good news is that I purchased a new A/C unit and his team installed the new unit with no issues. Everything Al said about the installation experience actually occurred as he stated, from the delivery date of the unit to the time it took to install it. Not to mention the prices were more than reasonable.

Troy T. · Google review, 2025

AC Installation questions from Chelsea

How long does an AC replacement take in Chelsea?

A like-for-like condenser and coil replacement is usually one day. If we are also replacing the furnace, running a new line set or upgrading the electrical, plan on a day and a half to two days. We tell you before we schedule.

Do you pull the permit for an AC installation in Chelsea?

Always. We file the mechanical permit with the Chelsea building department or Washtenaw County as applicable, schedule the inspection, and meet the inspector. The permit is included in the quoted price.

Do Chelsea homeowners qualify for rebates on a new AC?

Qualifying high-efficiency systems are eligible for Consumers Energy in much of the city, DTE Energy on some outlying roads rebates and for the federal 25C tax credit. During the estimate we flag which of your options qualify and give you the AHRI certificate and invoice details needed to claim them.

Should I choose a single-stage or two-stage air conditioner for Chelsea humidity?

For most Chelsea homes larger than a small ranch, a two-stage system is worth considering because it runs longer on low and pulls more moisture out of the air. For a compact house with good ductwork, a right-sized single-stage unit is a sound choice.

What refrigerant will a new system in Chelsea use?

New residential air conditioners installed in 2025 and later use R-454B. It replaced R-410A as part of the federal refrigerant transition. We install R-454B systems to the manufacturer's spec and handle the recovery of whatever the old unit used.

Serving every part of Chelsea

Ready to stop pouring money into an air conditioner that is past its prime? Schedule a free estimate for your Chelsea home and Temprasure will measure the house, run the load calculation, quote the whole job as one flat number, and install it ourselves with the permit and haul-away included. If the old unit still has a few summers left, we will tell you that instead. Call or text (313) 701-9471 or book online any time.

Neighborhoods and areas we run to regularly: Downtown Chelsea, McKinley Street neighborhood, M-52 north of town, Chelsea Hospital district, Heritage Pointe, Dexter-Chelsea Road corridor, and the rest of Chelsea.

AC Installation & Replacement in Chelsea, quoted before we start

Call or text (313) 701-9471. Chelsea is a 36-minute run for us and we are open around the clock.

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