New AC Installations in O'Fallon, IL- Best HVAC Warranties & Financing
Has your O’Fallon, IL area home or business’s air conditioning failed or are you wanting to upgrade your system? At Heritage Heating & Cooling, we are able to provide you with high-quality and energy-efficient equipment and services for new AC installation.

Advantages of New Air Conditioners
Upgrading from your inefficient and old air conditioning system can offer you several advantages. As equipment gets older, it becomes harder to keep your home comfortable and at a consistent temperature.
A new air conditioner will leave your home feeling more comfortable, especially with the warm summers that hit the O’Fallon, IL area. New systems are also more energy-efficient, which can mean that you enjoy lower monthly energy bills. This lower bill can offset the total cost of your new air conditioner.
When it comes time to purchase a new heating and cooling system for your O’Fallon area home or business, you can count on our team at Heritage Heating & Cooling to be there to properly install your new system. No matter if you are looking for a new central system or upgrading your current system to become a ductless model. Our team can properly install the system and provide it with regular maintenance as well in order to keep it working in pristine condition for years to come.

Authorized Dealer of Name Brand HVAC Units



What Can You Expect from Us?
Our HVAC service company has an A rating on Angie’s List, an A+ rating with the BBB, and hundreds of positive reviews from satisfied customers
In most situations, we are able to provide you with a response about financing terms in as little as 15 minutes.
You can rest easy knowing that your new installation and our labor are covered. In addition to offering amazing product warranties, we offer generous warranties for our team’s labor. We offer a one-year warranty on parts and labor for AC repairs and five years of labor at no cost to you.
Our professional installation team has extensive experience and training which allows us to deliver precision installation utilizing the most state-of-the-art technology. We never cut corners on projects and our technicians stay up to date on the latest training in order to stay on top of this ever-changing industry.
Learn More About Financing Options
We have flexible financing options that are available for AC installation. We also offer discounts for active-duty military, veterans, and seniors. Get in touch with our team today to learn more about the financing options for new equipment. You can also request a free estimate for a new air conditioning system. We are happy to explain all of your options and help you choose the right system for your home or business.