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Your New Authorized O’Fallon Generac Dealer

Offering Greater Peace of Mind with Generac Backup Generators

When a power outage strikes, a standby generator can offer you greater peace of mind and the ability to continue living your normal, everyday life. With a Generac generator, you won’t have to worry about spoiled food, medical emergencies, flooded basements, or uncomfortably hot or cold temperatures in your home or office when the power goes out. Heritage Heating & Cooling is proud to announce that we have added Generac generators to the list of services we offer, providing new generator installation and service to O’Fallon, Belleville, Fairview Heights, Swansea, Troy, Collinsville, and beyond.

Call us today at (618) 649-0056 for a free estimate on your new O’Fallon Generac generator!

Why Choose a Generac Generator?

There are many benefits to installing a standby generator. During a power outage, a backup generator can keep your home or office’s critical systems running, as well as your television, internet, and light bulbs so you can stay comfortable during even the most powerful of storms. With our O'Fallon HVAC services, we are proud to be an authorized O’Fallon Generac generator dealer, offering you the best of the best in standby generators.

When the power in your home fails, a Generac generator will:
  • Mechanically sense that the power has failed
  • Automatically turn on, even if you’re not home
  • Start generating electricity within seconds
  • Transfer power to your home automatically
  • Continue operating until power is restored

Generac is widely considered an industry leader and innovator in standby generators, and we’re proud to offer O’Fallon Generac generator installation, repair, and maintenance to our local customers.

Heritage Heating & Cooling can assist you with an array of air conditioning and heating services in O’Fallon and the surrounding areas. We even offer a number of financing options and various discounts to make the process more affordable for you.

Ready for a new Generac backup generator? Give us a call at (618) 649-0056 or use our online form for a free estimate!

Go With The Best

  • 100% Customer Satisfaction Guaranteed
  • Free Estimates on New Equipment
  • EPA Certified Technicians
  • 0% Interest Financing For 60 Months
  • After Hours Service Available
  • Military/Veteran, & Senior Discounts
  • Angies List Super Service-2014
  • Angies List Super Service-2016
  • Angies List Super Service-2017
  • Nexia
  • American Standard
  • Home Advisor
  • Ameristar Heating & Cooling
  • Mitsubishi Electric
  • Angies List-A+
  • Arzel
  • BBB & A+ Rating
  • Angies List Super Service
  • Customer Care Dealer

Rave Reviews

  • “Heritage installed a high efficiency American Standard heating/cooling replacement unit about 18 months ago. They did an excellent job. They have performed a Fall/Winter and a Spring/Summer inspection ...”

    - Andrew Allan
  • “Awesome service and professionalism. Best response I've ever been privileged to experience. From the quick call back to the quick response and the superior service provided by the techs, it's ...”

    - Charles T
  • “I highly recommend Heritage Heating & Cooling. We called them on Wednesday night at 8:30 and by Friday morning at 11:30 they were done installing a brand new American Standard, 5-ton, 16 SEER, two ...”

    - Terry Holley
  • “Heritage installed an HVAC 18 months ago. Very professional and answered all my questions. I recently had another company service (because I had an existing agreement) and they stated all kind of ...”

    - Ed
  • “Very courteous and professional.”

    - A/C tune up

Contact Us Now

Request Your Appointment Here or Call 618-649-0056
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