Hoff Heating & A/C, Inc.

Hoff Heating & A/C, Inc. Since 1983, Hoff Heating & A/C has been providing HVAC services St. Charles County and the surroundi
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Hoff Heating & A/C offers complete solutions for all of our customers. Our service department will diagnose, repair and maintain equipment of all makes and models. Our replacement department offers equipment that will answer all of your indoor comfort needs. Whether you are building your dream home or you are a contractor developing a subdivision, our new construction department will provide you w

ith heating and cooling solutions for every situation. We provide:

- Installation of Furnaces, A/C’s, and Heat Pumps (including geothermal)
- Service On All Makes & Models
- Ductwork Fabrication
- Indoor Air Quality
- Design
- Energy Analysis (using our state of the art software programs)

09/04/2026

Happy Friday! Today we're representing CBC, Orchard Farm (The Farm), and St. Dominic High School. Have a great Labor Day weekend!

Too humid? Too dry? Your home feels it, and so do you. The sweet spot is around 30-50% humidity for comfort. We can help...
09/04/2026

Too humid? Too dry? Your home feels it, and so do you. The sweet spot is around 30-50% humidity for comfort. We can help you get things balanced so your home actually feels good all summer.

09/03/2026

Commercial #3 and a personal fave!

09/02/2026

Here's another commercial for you... we had these made for football season. There are 5 of them all together so see if you recognize any faces in this first one :)

Set it and forget it! A smart thermostat can adjust around your schedule so you're not cooling an empty house. Simple ch...
09/02/2026

Set it and forget it! A smart thermostat can adjust around your schedule so you're not cooling an empty house. Simple change. Long-term savings.

09/02/2026

Our new commercials are out! Have you seen any of them yet? Here’s a peek at one of them. Rudy is a star 🤩

4 signs your system may be working too hard... If it's running often but still not keeping your home comfortable, someth...
08/31/2026

4 signs your system may be working too hard... If it's running often but still not keeping your home comfortable, something's off. That extra strain can impact comfort, efficiency, and long-term performance.

Check the signs in the slides. 👉 If this sounds familiar, call us!

Your air moves through your home all day. A clogged filter can push dust, pollen, and allergens right back into your hom...
08/28/2026

Your air moves through your home all day. A clogged filter can push dust, pollen, and allergens right back into your home. Change it right now. Quick fix, big difference.

“We were having issues with our thermostat and humidifier. They came out the same day, fixed the issue and explained tho...
08/27/2026

“We were having issues with our thermostat and humidifier. They came out the same day, fixed the issue and explained thoroughly. The tech was very professional. We will always use Hoff Heating & AC due to their great customer service!” – Lynn S., Google review

Your windows might be letting in more heat than you think. Blinds, shades, or window film can help keep things cooler on...
08/26/2026

Your windows might be letting in more heat than you think. Blinds, shades, or window film can help keep things cooler on the hottest days. Easy win for summer comfort and your electric bills.

Address

1520 Kemmar Court
O'Fallon, MO
63366

Telephone

+16362404633

Website

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