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)

Beat the rush! Booking HVAC service now, before peak season, ensures faster service and peace of mind. Reserve your spot...
06/15/2026

Beat the rush! Booking HVAC service now, before peak season, ensures faster service and peace of mind. Reserve your spot on our schedule today.

Home comfort = peace. If you're constantly adjusting the thermostat, something's off and it's usually fixable. We can he...
06/12/2026

Home comfort = peace. If you're constantly adjusting the thermostat, something's off and it's usually fixable. We can help...

For 43 years, we've been proud to serve the O'Fallon area, helping families stay comfortable through every season.As Ame...
06/10/2026

For 43 years, we've been proud to serve the O'Fallon area, helping families stay comfortable through every season.

As America prepares to celebrate 250 years, we're reminded that lasting progress is built by people who show up every day for their community.

For over 130 years, Lennox has supported that same mission across the country, and we’re proud to partner with a brand that shares our values. Honoring the past. Building the future. Staying local.

06/10/2026

Why is your home's upstairs always hotter? Heat rises + airflow balance matters. A few targeted changes to your heating and cooling system can help.

Don’t forget! A new HVAC filter can make a big difference in your air quality and system performance. When was the last ...
06/08/2026

Don’t forget! A new HVAC filter can make a big difference in your air quality and system performance. When was the last time you placed it? Now is the perfect time to do it.

My house's problem is... hot upstairs, stuffy bedroom, so much dust, or dry air. Drop your problem in the comments belo...
06/05/2026

My house's problem is... hot upstairs, stuffy bedroom, so much dust, or dry air. Drop your problem in the comments below.

Here's why changing your heating and cooling filter saves you money...
06/03/2026

Here's why changing your heating and cooling filter saves you money...

If one room is always hotter or colder, it's not your imagination. Comfort issues are usually airflow + balance, both fi...
06/01/2026

If one room is always hotter or colder, it's not your imagination. Comfort issues are usually airflow + balance, both fixable. Call us. Call Hoff Heating & A/C at 636-339-5325! https://hoffheating.com

If your house smells musty after the heating and cooling system runs, that's worth paying attention to. It could be a se...
05/29/2026

If your house smells musty after the heating and cooling system runs, that's worth paying attention to. It could be a serious issue. Call us.

Humidity tip: Comfort isn't just based on temperature. If the air feels sticky or too dry, your system may need help con...
05/27/2026

Humidity tip: Comfort isn't just based on temperature. If the air feels sticky or too dry, your system may need help controlling moisture. On your home's thermostat, look for the water droplet icon like this one and check the indoor humidity percentage. It should be between 30% and 50%.

Address

1520 Kemmar Court
O'Fallon, MO
63366

Telephone

+16362404633

Website

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