Welzig Heating & Air has been the Recipient of Angies List Super Service Award for 2 Consecutive Years!!

This exclusive recognition is given annually to approximately 5% of service companies who achieved and maintained a superior service rating on Angie’s List throughout the past year.

This prestigious award recognizes the Welzig Team’s dedication to customer service and quality work and is highly esteemed by members of Angie’s List.

We are proud to sell and service the Bryant® line of high quality and reliable furnaces and air conditioners. We specialize in servicing both residential and commercial heating and air conditioning customers.

In addition to furnaces and air-conditioners, we also install and service boilers, heat exchangers, both tank and tankless hot water heaters, programmable thermostats and a wide array of accessories to satisfy all your heating and air conditioning requirements.

Hi, my name is Jimmy Welzig. Thank you for visiting our website and if you have any questions or concerns please give us a call at (303) 678-5576 or email me at info@welzig.com.


We care about your comfort in your home.
Our Salespeople and our Installers care about your
property and your safety.
We care about our work exceeding your highest expectations.
We care about our products because they will
stand the test of time.
Caring over the past two decades is what separates us from our
competition and is the foundation of our continued success!


Show up when we say we will.
Finish the job on time within the price we quoted you.
Guarantee the quality of our work to your full satisfaction.

Call us now at 303 678-5576 to learn about our specials including
Up to 60 month Special Financing SAME AS CASH!!!


Welzig Heating and Air | 1831 Boston Ave. #D | Longmont, CO 80501

Angies List Super Service Award, Readers Choice, Nate Certified Google Reviews Welzig  Heating and Air Better Business Bureau Welzig Heating and Air