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Furnace Installation in St. Louis

Heating Installation & Replacement in St. Louis

Dunn Plumbing, Heating & Air Conditioning, LLC is committed to providing the highest quality furnace installation services in St. Louis, Mehlville, Ballwin, Affton, and the St. Louis, MO region. Whether you need a new heating system for a brand new home or business, or you’re looking for reliable furnace replacement, our highly trained technicians can get the job done. We stand behind everything we do with extended warranties and our 100% satisfaction guarantee; if you’re not totally satisfied with our furnace installation services, we’ll refund your money—no questions asked!

Contact us online or call (314) 476-9606 to schedule an appointment today. We look forward to serving you!

We Guarantee Our Work

Here at Dunn Plumbing, Heating & Air Conditioning, LLC, we make it our mission to provide expert heating services that are both reliable and affordable, not to mention fast. When you make an appointment with our St. Louis furnace installation team, we will arrive on time, prepared and ready to get right to work.

We are proud to guarantee our work by offering:

  • Our 100% customer satisfaction guarantee
  • Our 100% money back guarantee
  • Our 100% performance guarantee
  • Our no lemon guarantee

Plus, we offer free estimates on all installations, as well as payment plans and financing options so you can get the new, energy-efficient heating system you need now—and pay later!

We Are Always Available to Assist You

If your current heating system simply isn’t living up to your comfort needs, we can help you find a modern, energy-efficient, eco-friendly replacement. We proudly offer a selection of top-quality products from the industry’s leading brands. Our technicians can provide their professional recommendations and honest advice, based on the size of your home or business, your personal comfort preferences, and other factors. We are available for same-day appointments and even offer 24-hour emergency furnace repairs when needed.

Get in touch with us today at (314) 476-9606 to schedule your appointment for furnace installation in St. Louis or any of the surrounding areas.

Customers Love Us

See What They Had to Say
  • “First of all, I've been using this company for years and since they continually serve me well I decided to post online. Brett and his team are extremely knowledgeable of HVAC. He showed me how to save ...”

    - A Satisfied Customer
  • “Brett with Dunn installed a new HVAC system in my home in December of 2010. He presented several options to me, along with rebates, incentive programs and financing options. We chose to install a ...”

    - A Satisfied Customer
  • “Dunn replaced a water heater and an AC/heat unit. Dunn and its team provided optimal customer service. Brett was detailed about the unit’s function and most importantly, the TOTAL cost, which ...”

    - Juan G.
  • “Last year we found out we needed a new AC unit but waited until this year to fix it. We went through Home Depot to find a place and they gave us Dunn Heating & Cooling. I am glad they did. Scott came ...”

    - Elaine S.
  • “Brett is very knowledgeable in this field and is a great problem solver. He was able to fix our system cheaper and with better quality than the other companies who had looked at the same system. Out ...”

    - Paul W.
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