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What good is quality if it’s not affordable? At Walrath we’re committed to delivering uncompromised quality at the lowest possible price to every customer in our community.

Providing our employees a safe, supportive and respectful work environment results in a highly trained, customer focused workforce driven to save you time and money.

Developing relationships with our suppliers over several decades allows Walrath to maintain the widest selection of high quality products at lower costs.

Thousands of satisfied customers and their willingness to serve as references make up the majority of our advertising budget and it doesn’t cost us (or you) a penny.


With one phone number you’ll access technicians servicing all makes of equipment 24 hours a day. If you’re looking to replace worn out, inefficient equipment or need a complete comfort system you’ll appreciate our experienced design staff. Take advantage of our flexible schedule for free estimates.

Our precision sheet metal shop complete with state-of-the-art technology is the crown jewel of our facility. Key to our competitive approach, it also serves the do-it-yourselfer needing custom fabrication services.

Walrath is Denver metro’s one-stop source for custom furnace filters, humidifier pads, thermostats, AC covers and other specialty items. We even offer free delivery!


Since 1956 Walrath has followed your definition of professionalism as a guide to establishing and maintaining long-term relationships with our customers.

Arriving on time, neat in appearance and prepared to perform with a customer focused attitude is a beginning we understand as essential.

We continue by respecting and protecting your property while focusing our expertise on serving your needs. You’ll receive cost effective solutions and options presented in clear terms. Upon your approval we’ll implement those solutions as quickly as the highest quality will allow ensuring the job is done right the first time. Standing behind our work in writing further guarantees our professional commitment to you.


Walrath has spent over a half-century developing a variety of product offerings and services designed to meet any heating, cooling or indoor air quality challenge. From traditional approaches to leading edge ‘green’ technology we offer cost effective solutions while respecting your interests.

If you’re frustrated by an existing situation or exploring your comfort options we encourage you to contact us. We’ll take all the time you need to get your questions answered and help you find options that fit your needs.

You may be surprised at how easy it is to be comfortable!


Walrath trucks have been a welcome sight to our customers for more than 50 years. Whether it’s a broken furnace late on a winter’s night or a cooling problem on the hottest day of the year you can count on a quick response.

Walrath practices an open policy regarding our credentials. Our license and insurance documentation are always available for customer review. We maintain a large database of references with updated contact information and we’ve been an accredited member of the Better Business Bureau since 1983. We invite you to stop by our offices for a tour of the facility and to meet our staff.

Walrath is proud to offer you a reputation you can trust!
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About Us
Walrath, Lakewood, Colorado 303-232-4343


Over a half-century of service excellence specializing in affordable Heating, Cooling & Indoor Air Quality solutions.
  • Professional Service Technicians
  • On Time 24 Hour Service
  • Equipment Sales & Installation
  • System Design
  • Free Estimates
  • Clearly Written Price Quotes
  • Licensed & Insured
  • Planned Service Agreements


Helping to build the Colorado Front Range for more than 50 years Walrath consistently meets schedule deadlines while maintaining the highest standard of safety, service and workmanship in the industry.
  • On time 24 Hour Service
  • Design Build Engineering
  • Plan & Specification
  • CAD Design & Drafting
  • Custom Ductwork Fabrication
  • Equipment Sales & Installation
  • Licensed & Insured
  • Maintenance Programs
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Copyright © 2011 Walrath Heating & Air Conditioning Co., Inc | All Rights Reserved | Lakewood, Colorado | 24 Hour Service 303-232-4343 | Fan Us on Follow US on Visit our blog on WordPress


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