There are many reasons to choose Lennox for your heating and cooling needs, starting with our innovative products.

As a four-time winner of the ENERGY STAR® Manufacturing Partner of the Year award—and the first and only winner in the heating and cooling industry—Lennox offers a complete selection of high-efficiency systems that can save you hundreds of dollars every year on your utility bills. These systems help keep you comfortable year-round and contribute to a cleaner global environment.

Want tips for making your home more energy efficient? Get ideas, guidelines, information and more at ItPaysToLiveSmart.


Reliable Home Comfort

Lennox has a longstanding commitment to deliver innovative products that you can count on. That's why you'll find the Good Housekeeping Seal on most Lennox® products. As one of the most widely recognized symbols of quality, the Good Housekeeping Seal assures you that the Lennox name is one you can trust.


Healthy Climate® Solutions

Advanced products like air purifiers and cleaners, working together with a Lennox® heating and cooling system, help reduce concentrations of allergens and other contaminants in the air. They also help improve air circulation and balance humidity levels. And unlike many competitors’ products, these systems clean the air without producing ozone, a known lung irritant.


Leading-Edge Quality

Before our products go into your home, they go through extensive testing in our state-of-the-art research lab. Here, Lennox home comfort systems are tested to meet the challenges of the most demanding operating and environmental conditions.


Worry-Free Warranty Coverage

On top of exceptional quality you get when you purchase a Lennox® heating or cooling system, you also have the comfort of knowing it’s backed by one of the best warranties in the business. For select high-efficiency systems, extended warranty protection is available when you register your product online.


Unrivaled Reputation

The Lennox name is known throughout the world for quality home comfort. So when you choose Lennox, you can rest assured knowing you're getting the very finest in heating, cooling and indoor air quality.

Dedicated Support
You can also trust Welzig Heating and Air to design the right system for your home, install it properly and keep it running perfectly for many years to come.
 

We are please to offer 24 hour emergency service
Call 303-678-5576

Check our our current specials or contact us now for more information on how
Welzig Heating and Air can save you money.

If you would like to schedule an appointment on-line, you can do that also.

 

Proudly Serving Colorado in the Following Locations:
Longmont, Boulder, Niwot, Gunbarrel, Erie, Frederick
Firestone, Dacono, Loveland, Louisville, and Lafayette.