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Call Grand Oaks Heating & AC for great AC repair service in St. Charles MO
(636) 926-2007
Serving St. Charles County, the Metro area, and Lincoln and Warren counties
Grand Oaks Heating & AC has certified technicians to take care of your AC installation near Wentzville MO.

O'Fallon

Your best choice for Furnace, Air Conditioner, and Plumbing Repair in O'Fallon MO

Since 1990, Grand Oaks Heating & AC is your best choice for repair, installation, and service in homes and buildings just like yours in the St. Louis Metro & Rural. We take special pride in the craftsmen we train and employ--a fact you'll see in the reviews below. It's also noticeable immediately in the attitude and integrity our technicians bring to your job site. Our entire company works hard to make your experience with us hassle-free and enjoyable. You can also be assured that Grand Oaks Heating & AC stands behind the work we do as well as complies with all local codes. This is why, as you can see by the map and reviews below, we are rated so highly for Furnace, Air Conditioner, and Plumbing Repair in O'Fallon MO. Call us today at (636) 926-2007!

Local reviews for Furnace, Air Conditioner, and Plumbing Repair in O'Fallon MO.

Local Reviews
for O'Fallon, MO

Rated 4.6 out of 5 stars based on 17 customer reviews

Map of O'Fallon, MO

Great honest service




On time for appointment. Honest evaluation of finding while doing service. Did not pressure to conduct potential service needs-advised that next service would be acceptable. Called office to affirm warranty. Appreciate honesty and straightforwardness.


Map of O'Fallon, MO

Great service





Map of O'Fallon, MO

Very Good Service





Map of O'Fallon, MO

good service





Map of O'Fallon, MO

Fine professional and personable young man





Map of O'Fallon, MO

Excellent Service




Kyle was very cordial and his service was meticulous as he checked out everything associated with the system. I highly recommend him as an excellent technician.


Map of O'Fallon, MO

Great Service





Map of O'Fallon, MO

super





Map of O'Fallon, MO

Great Service




Kyle is very polite and knowledgeable with his products and service. Thank you for the awesome service.


Map of O'Fallon, MO

good job





Spectactular service !!




I believe the price is a little high for this part


Only complaint I have is that the same individual does not come out to look at AC and heating. As result, it appears each individual has a different





Fine Service





very good




Thanks to Peter we were made aware of having our water heater flushed.


Extremely courteous and attention to detail was super




The one thing that I am was not happy with today was my window for service was 8:30 - 12:30. I usually receive a call if the service man is running behind schedule. That did not happen today, I had to call. The dispatcher stated he was running behind schedule and she would have him call. Which he did. Service was great as usual, extremely courteous and I was very happy with the appreciation shown to my home. Shoes covers, nothing ever placed on my white carpet or hardwood floors. Attention to detail with my maintenance call was great.


Prompt and Courteous Service.




Jeff was prompt and courteous. He explained everything thoroughly.


Superior Service




Jeff is one of the main reasons that we stay with Grand Oaks. He is a straight shooter. He gives me all the information that I need and more.


Jim E.

Jim E.

Full install

Near Amber Wave Dr, O'Fallon, MO 63366
Jim E.

Jim E.

Instalation of ac and furnace

Near Glengate Estates Dr, O'Fallon, MO 63366
Branden K.

Branden K.

Fixing and charging ac system

Near S Wellington, O'Fallon, MO 63366
Branden K.

Branden K.

Spring maintenance

Near Cottage Cir, O'Fallon, MO 63366
Kyle B.

Kyle B.

Maintenance on Trane hvac system

Near Wheatfield Farms Dr, O'Fallon, MO 63368
Kyle B.

Kyle B.

Blower pull and clean on Trane furnace

Near Winegarden Ct, O'Fallon, MO 63368
Kyle B.

Kyle B.

Tune up on york hvac equiptment

Near Veterans Memorial Pkwy, O'Fallon, MO 63366
Jim E.

Jim E.

Move condensing unit to the other side of house

Near Westbrook Dr, O'Fallon, MO 63366
Kyle B.

Kyle B.

Two system tune up on Lennox equiptment

Near Covered Bridge Ln, O'Fallon, MO 63368
Kyle B.

Kyle B.

Repairs on york Ac system

Near Whitetail Ln, O'Fallon, MO 63368
Kyle B.

Kyle B.

Repairs on intertherm system

Near Stonegate Ln, O'Fallon, MO 63366
Branden K.

Branden K.

Spring maintenance

Near Pebble Brook, O'Fallon, MO 63366
Branden K.

Branden K.

Spring maintenance

Near Autumn Hill Dr, O'Fallon, MO 63366
O'Fallon, MO - Spring maintenance
Kyle B.

Kyle B.

Service/repair on hvac equiptment

Near Hawk Run Trail, O'Fallon, MO 63368
Emad A.

Emad A.

Spring maintenance on Goodman in Ofallon

Near White Chapel Dr, O'Fallon, MO 63368
Jim E.

Jim E.

Furnace install

Near Fox Trotter Dr, O'Fallon, MO 63368
Peter A.

Peter A.

Doing a maintenance on a poolpak dehumidification system

Near State Hwy K, O'Fallon, MO 63368
O'Fallon, MO - Doing a maintenance on a poolpak dehumidification system
Peter A.

Peter A.

Replacing a blower motor pulley and belt on a carrier air handeler

Near Corporate Centre Dr, O'Fallon, MO 63368
Emad A.

Emad A.

Spring maintenance on Amana

Near Cog Mill Dr, O'Fallon, MO 63368
Emad A.

Emad A.

Spring maintenance on Amana Heat Pump.

Near State Hwy K, O'Fallon, MO 63368
Branden K.

Branden K.

Installing new ac unit and hot water heater

Near Boulder River Dr, O'Fallon, MO 63368
O'Fallon, MO - Installing new ac unit and hot water heater
Jim E.

Jim E.

Maintenance on residential unit

Near W Falls Ct, O'Fallon, MO 63368
Zac F.

Zac F.

A/c cleaning check

Near Brett Ridge Dr, O'Fallon, MO 63368
Peter A.

Peter A.

Doing a spring maintenance on a york air conditioner

Near Tinderbox Ct, O'Fallon, MO 63368
O'Fallon, MO - Doing a spring maintenance on a york air conditioner
Emad A.

Emad A.

No heat call. York gas furnace at First Academy Ofallon.

Near State Hwy K, O'Fallon, MO 63366
24 Hour Emergency Service • Call Us Today • (636) 926-2007 • or • Fill Out Our Online Form
Location
We service most AC brands and models near St. Charles MO.
Business Address:
82 Clairen Drive
Foristell, MO 63348
Contact Us
Schedule your Air Conditioning replacement in Wentzville MO.
Company Phone:
Phone: (636) 926-2007
We offer 24/7 emergency Air Conditioner repair service in St. Charles MO.
Office Hours:
Monday- Friday 7:00am-5:00pm
24 Hour Emergency Service
We offer 24/7 emergency Air Conditioner repair service in St. Charles MO.
License Number:
#M2684A
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