Welzig Heating & Air

Welzig Heating & Air Welzig Heating and Air, your heating and air conditioning specialists, is a locally owned and operated company since 1994. We’re Not Comfortable Until You Are!

We know how to save you money on your heating and air conditioning needs. Hello,

Our names are Jimmy and Jalene Welzig. We are the owners of Welzig Heating and Air. I started our company in 1994, along side my bride Jalene, after working in this industry for many years prior. We are family owned and operated, located in Longmont. We have made Longmont our home since 1974. We have 5 children toget

her, Casey (1988), Cassy (1990), Wyatt (1998), Grace (2001), and Faith (2009). We incorporate trust and our high standards in every aspect of our business. I firmly believe the difference between a good company and a bad company is how they respond to the customer. At Welzig, we have developed a system with a high standard of procedures, extensive training for all our team members, and the latest technology, in order to give you, our valued customer, the highest quality customer service. Our technicians, installers, and office personnel are required to take the latest technical training, classes, and certifications. We have built our own state-of-the-art training center for our technicians and office personnel. In addition to that, Welzig provides and requires NATE certifications and factory training. Every job is unique and personalized, so we build custom fittings for your home right here in our extensive fabrication shop. All employees that show up at your home will be clearly marked in a Welzig Uniform, insured and bonded, and have the correct tools and training to complete the job in a timely and professional manor with the smile you have grown to expect. We strive to provide superior service and solutions. Cooling, heating, and conditioning the air you breathe.

09/02/2026

A little maintenance today can help prevent bigger problems tomorrow. Schedule your Bryant system tune-up and enjoy peace of mind all season long.

09/02/2026

A comfortable home can help everyone get the good night's sleep they need. From cool bedrooms to consistent temperatures throughout the house, home comfort plays a bigger role in your family's routine than you might think. Contact us to learn how we can help.

08/13/2026

Some homes need a comfort solution that is a little more flexible. Whether you’re dealing with a room addition, a hot or cold spot, or a space where ductwork is a challenge, Bryant has options designed to help. Ask us whether a Bryant crossover or ductless solution could be the right fit for your ...

08/13/2026

If your energy bills keep creeping up, your HVAC system could be the reason. Newer systems are designed to run more efficiently and keep comfort consistent without the spikes. Contact us to learn more!

08/13/2026

A new month is a great reminder to check one small thing that can make a big difference: your HVAC filter. A clean filter helps support steady airflow and keeps your system working at its best during the summer season. If you’re not sure what your system needs, we’re here to help. Contact us tod...

08/13/2026

Uneven temperatures aren’t something you have to live with. The right system can help balance comfort from room to room so every space feels just right. Contact us to find solutions built for consistent comfort.

08/13/2026

Comfort isn’t just about temperature. Humidity, airflow, and air quality all play a role in how your home feels day to day. Contact us to explore indoor air quality solutions today!

08/13/2026

Frequent repairs and rising energy bills can add up fast. A newer system can help deliver more reliable performance and peace of mind. Contact us to see what a smarter upgrade might do for you!

08/13/2026

Dust, allergens, and indoor pollutants can affect your home's comfort. The right indoor air quality solutions can help create a healthier space for your family. Contact us to learn more!

08/13/2026

If your system is older, now is a great time to explore your options. Today's high-efficiency systems can improve comfort, lower energy costs, and provide greater peace of mind for years to come. Contact us to learn whether a replacement could be the right fit for your home.

Address

1831 Boston Avenue Unit D
Longmont, CO
80501

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 5pm
Saturday 8am - 5pm

Telephone

+17206151525

Website

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