7935 W. 14th Ave. Lakewood, CO 80214
24 Hour Service

Our Mission

Walrath’s mission is to construct enduring, respectful relationships with customers, employees and the community.
Consistent with our mission Walrath holds to the principle of investing in people by providing a safe and supportive work environment for our employees. Those efforts have produced a workforce made up of professionally trained, personable individuals driven to see their appointed duties through to the customer’s satisfaction. We’ve been rewarded by the community through the years with thousands of long term relationships with loyal customers. We’re grateful to all who have supported Walrath through the years and we look forward to establishing new relationships in the future.


Our Services

We service all Denver Metro, Lakewood, Arvada, Littleton, Centennial , Fort Collins, Castle Rock and all surrounding areas.


Premier HVAC Services for Lakewood and Denver Residents

High-quality residential and commercial heating and cooling services. HVAC installations, replacements, and repairs in Lakewood and Denver. We’ve got your HVAC needs covered.

Premier HVAC Residential or Commercial - We Have the HVAC Solution for You Our team is committed to your comfort. No matter how big or small of a job, we are the local HVAC contractors who can get it done.

Residential Services

Service excellence specializing in affordable Heating, Cooling & Indoor Air Quality solutions.
We Have the HVAC Solution for You
Our team is committed to your comfort. No matter how big or small of a job, we are the local HVAC contractors who can get it done.

Residential Heating Repairs
We make sure you have equipment that keeps your home comfortable.

Stay warm all winter with a brand-new gas furnace. We specialize in efficient gas and fuel furnace installation, furnace replacement, and furnace repairs.

Heating Pumps
Don’t get stuck with a faulty pump when the weather drops. Our team will ensure you have an electric or water-based heating pump that you can rely on.
Read more

Commercial & Construction HVAC Services

Walrath HVAC provides heating and air conditioning services to commercial properties throughout Denver and Lakewood, CO. Our team is committed to your construction project and will deliver the results you’re looking for.

Our commercial & construction HVAC services include:

Sheet Metal HVAC Fabrication
Tenant Remodel
Mechanical Insulation
Quality Air Testing
Energy Management Solutions
Roof Top Replacements
And More!

From malls to restaurants to hospitals, Walrath HVAC is the team to call for commercial construction.
Read more

We're Hiring

Contact us for open positions

We Offer


Featured Products

The ideal comfort system for any home is one that just works without you realizing it.
Read more

Convenient Services

With one phone number you’ll access technicians servicing all makes of equipment 24 hours a day…
Read more


Since 1956 Walrath has followed your definition of professionalism as a guide to establishing and …
Read more



With over 61 years of HVAC experience, Walrath is one of the most trusted HVAC companies in Denver. Our technicians focus on solving HVAC problems and ensuring our customers are 100% satisfied with their air quality. We make HVAC installation and replacements fast, easy, and affordable.

Local Leaders in HVAC Services

When you’re having air quality trouble, it’s nice to know a local team is available to help. The Walrath team is made up of local professionals who understand your needs and can offer fast HVAC assistance.

Convenient HVAC Repairs

Our technicians provide 24-hour services. All it takes is one phone call, and you’ll be talking to a knowledgeable HVAC professional who can offer correct guidance.

Top-Notch HVAC Systems

Walrath operates with high standards. That means we only supply customers with top-rated HVAC units that are guaranteed to last.

Long-Lasting Relationships

We aim to create long-lasting relationships with each one of our customers. Our top-notch services keep our clients coming back. Our patrons know they can depend on the Walrath team for all of their HVAC needs.

A Team You Can Trust

Professionalism is a part of who we are. When our technicians say they are going to be at your property, they mean it. Our team is always on time, polite, well-prepared, and focused.


Following CDC social distancing and hygiene recommendations. Remote Quotes Available. Contact us now!

Holler Box