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Top-Rated Window a/c unit service or relocation pros in Chesterfield - Updated Nov 2026

Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
4.8(
277
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"Great Experience. I was concerned about the 22 yr age of our air conditioner able to keep working and wonder if a long wait time to get a product shipped like refrigerators last year, I called for a quote and within a week it was installed and working! Installers worked tirelessly until their work was done, clean and neat!"
Fresh Air Van
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

14 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Rhymes Heating & Cooling
Rhymes Heating & Cooling
4.8(
193
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"We were very happy with the consultation and recommendation Rhymes provided us. The takeaway of the previous and install of the new unit were very smooth. We are very pleased with the new unit. Kept the house cooler over the summer as promised."
Response time12 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"Matt did a quick check of the basement unit and then went outside. He said it likely was a failed capacitor and that's what it was when he tested it. He had a compatible part in his vehicle. Once he had installed the replacement the system ran perfectly. We were so glad we were able to be serviced the same day that I called in the problem. Hello summer."
Old boiler being removed
A Manual-J load calculation is performed to determine the precise amount of heating and cooling needed for each space.
Installing a Mitsubishi Hyper Heat Mini Split System to Heat and Cool this Sunroom Addition.
Mitsubishi outdoor unit installed on rooftop to heat and cool 3rd floor of this St. Louis City home.
Daikin FIT Heat Pump Installed in University City Home

+106

Response time2 days
3 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Schraer Heating and Air Conditioning
Schraer Heating and Air Conditioning
5.0(
8
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

In business since 1946

Free estimates

Emergency services offered

"I cannot say enough wonderful things about this amazing company! My daughter and I had been without a furnace for over 6 years. We used space heaters in the bedrooms, bathroom and kitchen, but the rest of the house stayed cold. Along with that, I had a constant fear of an electrical fire resulting from the units, because last year a young mother and her baby died in a house fire down the street from us, most likely caused from a space heater. When Schraer came to our home that offered to install gas furnace free off charge that was just sitting in their shop! We are truly Blessed and Grateful for their kindness and generosity! There are good people out there in the world, and the owners and employees of Schraer Heating and Cooling are some of best!"
Airlift rooftop unit
Duct installation
Geothermal job
Crane lift a rooftop unit
Finalize duct on a new construction

+3

Response time1 day
53 neighbors recently requested a quote
Avatar for MTL Management LLC
MTL Management LLC
4.5(
32
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Communication was great. The services were coordinated remotely, and Tina was great in talking through finding the residence, accessing the house, and clarifying expectations for where the work was to be completed. I appreciated the flexibility and communication both over the phone and through pictures that she sent me via text. The whole process was very easy and I’m quite pleased with the results. Price for services was reasonable and submitting payment was easy. We plan to utilize this company again in the future."
Water line
Water line
Water line
Drain clog
Drain clog

+18

Response time6 hrs
Response rate100%
36 neighbors recently requested a quote
Avatar for House Doctor's
House Doctor's
5.0(
3
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Property maintenance is an essential yet often daunting task for homeowners and businesses. Finding the time or the right tools to carry out these tasks can be difficult and exhausting, leading to delays and frustration. At House Doctors of St Louis, we are here to alleviate these challenges, providing reliable solutions to all your maintenance and improvement needs efficiently and professionally.\n\nOur skilled handyman team excels in managing an extensive range of tasks for residential and commercial projects alike. We transform overwhelming to-do lists and stalled projects into completed tasks, ensuring a smooth process from start to finish. Whether it's quick repairs or major renovations, our technicians handle a variety of requests backed by free estimates to initiate the process, thus making your goals achievable.\n\n

Hvac Install
Hvac Install
Hvac Install
Hvac Install
Hvac Install

+1

Avatar for Vitt Heating & Air Conditioning Co Inc
Vitt Heating & Air Conditioning Co Inc
4.7(
161
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

In business since 1954

Free estimates

Emergency services offered

"Vitt's HVAC service tech was a experienced professional who listened to my concerns regarding my furnance's performance and what I thought the problem might be. He examined the complete unit, determined the cause of the problem and performed the necessary service. He worked quickly and cleaned up the area afterwards. He also was able to tell me how old the unit was because I did not know."
Military Discounts (retired & active)
Senior Citizen Discounts
Residential HVAC
Multifamily & Commercial Installation & Maintenance
Professionally Installed Ducts

+6

Response time3 days
Response rate100%
Recommended by91%of homeowners
American Appliance Service
4.9(
606
)
Window A/C Unit - Service or Relocate

Serving Chesterfield, MO and surrounding areas

In business since 1961

"American Appliance Service is my new go-to for any appliance repair. The drain pump on our washer stopped working on a Monday, I got an appointment for Thursday morning (other places' appointments were 1-2 weeks out). Randy texted me when he was on his way, showed up on time, got the right drain pump for our washer model, and replaced it in a timely and professional manner."
Recommended by98%of homeowners
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FAQs for window a/c unit service or relocation projects in Chesterfield, MO

If your window air conditioner is relatively new or of high quality, repairing it can restore optimal performance and protect your investment. However, for older units or those with ongoing issues, it might be more cost-effective to replace the unit to ensure long-term efficiency and reliability. Consider the unit's age, the severity of the problem, repair costs versus replacement, and energy efficiency ratings when making your decision. If repairs cost more than half the price of a new unit, replacement is typically the better option.

Window air conditioners last eight to ten years on average. After this time, you may notice decreased efficiency and component wear. Replacing an older unit can improve energy savings and provide updated features like remote controls and better overall performance. With proper maintenance including regular filter cleaning, coil checks, and professional servicing, you can maximize your unit's lifespan.

If your portable AC isn't cooling, it might have a refrigerant leak or a circuit malfunction that's preventing it from working properly. It's best to contact a local air conditioner contractor to inspect and repair the unit. If your AC is older and repairs don't fix the issue, replacing it might be the most effective solution.

Removing a wall-mounted AC costs $55 to $75. Completing the removal yourself at the end of each summer season, being sure to do so according to proper guidelines, keeps you within this cost range. Should you require professional assistance for removal and disposal, if you can't move the unit yourself, expect an added fee of $25 to $50 to the overall cost.

The Chesterfield, MO homeowners’ guide to window a/c unit services or relocations

From average costs to expert advice, get all the answers you need to get your job done.