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Certified Furnace Repair

Winters in Boulder, Colorado, are especially cold and windy, with an average snowfall of 89 inches. The heating system runs for two-thirds of the year, handling temperatures well below freezing. At the first sign of any concerns, Welzig Heating and Air encourages scheduling furnace repairs. Don’t wait for the issues to escalate. Delaying service doesn’t save time or money but typically results in increased damage, expense and potential replacement.

Enjoy perfect comfort, peak energy efficiency and reinforced reliability from your furnace by calling the professionals from Welzig Heating and Air. We are a BBB accredited business, a Google Guaranteed Service Provider and Bryant Factory Authorized Dealer. Not only do we uphold proven standards of expertise and business ethics, we’re a family owned and operated HVAC provider with a reputation of exceptional customer service earned by way of 30 years of dedication.

Your Neighborhood Furnace Repair Experts

Our NATE-certified technicians are always available for prompt action at your convenience as well as round-the-clock emergency response. We provide residents of Boulder confidence in their heating systems. Well-versed in all makes and models of furnaces, we verify the results of our evaluation with advanced diagnostic software. We present accurate findings, personalized recommendations, non-invasive job sites and always strive to extend the service life of the heater. Choose Welzig Heating and Air for furnace repairs and get comfortable.

Satisfied Customers
They Speak For Us
Jim
Jim

Dave Kaplan-Gomez and James Miltersen installed my new Tankless Water Heater. Both were polite and professional. Care was taken not to damage anything in my house which I really appreciated. I use Welzig for all my HVAC needs and highly recommend them.

Chris
Chris

Bob came out to look at our swamp cooler and was remarkably helpful and professional. Not only did he give me a knowledgeable diagnosis, but he also taught me a lot in the process. We’ll be calling him for all future needs with our cooling system.

Clare
Clare

Our 23-year-old A/C system ran out of “borrowed time” and became too difficult to continue maintaining. With great advice from Casey Welzig,, we replaced the old system with a Bryant Evolution A/C system. Max Loustaunau and Seth Bernhardt did an excellent job with removing the old system and installing the new one. Both of them are great to work with — very professional and very personable. We are really amazed at how much better the new system works!

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