Trust Us With Your Next AC Installation or Replacement

AC Installation in O'Fallon, MO If you live in O’Fallon or the surrounding area, you know how vital it is to have a well-functioning air conditioner by your side. Without a reliable cooling system to keep you comfortable, it will be a long, hot summer. If you ever are forced to deal with an AC problem, reach out to the technicians at Hoff Heating & AC. For decades, we have helped thousands of local homes and businesses with a wide range of comfort services.

Since 1983, Hoff Heating & AC has been the number one choice for heating and cooling services in O’Fallon, MO and surrounding areas. From AC installation and replacement to a wide range of comfort services, we can keep you comfortable at all times.

AC Replacement in O'Fallon, MO

O’Fallon’s Go-To AC Installation Experts

When shopping around for a new air conditioner, you want one that’s energy-efficient and one that will last for many years to come. Luckily, Hoff Heating & AC provides a wide range of the best AC units in the industry. Choose from our full-line of Lennox cooling systems, all with amazing reliability and high-efficiency levels. New air conditioners are built with advanced energy-saving technology, and these Lennox systems have the best components in the business.

Not sure if you need an AC replacement? If your unit is over 15 years old, it’s probably time to start looking for a new one. At Hoff Heating & AC, we’re ready to guide you through the process and find a dependable new AC system that fits your needs and budget! We offer financing options to help with your new installation costs.


Our team also installs and replaces AC systems in:

The Number One Name for Comfort Solutions

When it comes to staying comfortable in O’Fallon, MO, Hoff Heating & AC is the company to call. From our high-quality staff members to our unbeatable heating and cooling services, we’re the best in the area. We also offer excellent AC repair and AC maintenance services.

Contact us today!