Denver’s Most Trusted HVAC Service

You’ve probably seen our trucks all over the Denver metro area. There’s a good reason why – we’ve earned the trust of Denver businesses, families, and contractors since 1972.

Plumbing Heating Air Conditioning Drain Cleaning

Since 1972, Landgraf Plumbing and Heating has provided quality, efficient plumbing, heating, air-conditioning and drain cleaning services to the greater Metro Denver area. As a family owned business since inception, we take great pride in treating your business, building or home like ours and make every effort to solve your problem in a cost effective manner with minimal interruption and timely completion.

Denver Plumbing Company


Landgraf accommodates ALL types of plumbing repairs and installations in Colorado.
Denver Heating Company


We're ready to service your heating needs when those cold Colorado Winters blow in.
Denver Air Conditioning Company


We offer a full array of air conditioning services and preventive maintenance programs.
Denver Drain Cleaning Company


Landgraf has the best trained technicians to evaluate and get you the relief you need.

What Our Customers Say

“Landgraf seems to understand instantly what’s needed and have gone out of their way to arrange for smooth service visits. We have always thought highly of everyone from Landgraf who have helped in our house over the years —- thank you for all you’ve done!”

Joan S, Homeowner

“I had a phone call from a client today. She informed me that the crew that was sent out yesterday to clean the drinking fountain lines was the most POLITE, COURTEOUS, PROFESSIONAL & HUMOROUS crew she has come across!!! They made her laugh & got the work done in a timely manner, the price was also good. Please let your people know that Landgraf is taking care of our customers the right way.”

Mike S, General Contractor

“I certainly have enjoyed our relationship through the years which, as you know, includes the construction of two offices, the maintenance on them and, the quality work on my residence. It has been a joy working with your crew and I hope I can find a company half as good in Arizona.”

Bill W, Dentist / Building Owner



Nextdoor 2021 Neighborhood FavoriteLandgraf Plumbing and Heating, Inc. is now well into its second generation of providing quality service to the Metro Denver area. Bob Landgraf Sr. set a standard of servicing customer needs that has been maintained since the company’s inception in 1972. We are proud this many years later to continue to operate Landgraf in a way that strives to meet 100% customer satisfaction.

Our licensed service technicians are part of our family and average over 14 years with our company. They are equipped with industry leading training and state of the art equipment, and each of our trucks has an extensive inventory of repair parts so we can diagnose your problem quickly, provide you a guaranteed price up front, make the necessary repairs, and leave you with the peace of mind that Landgraf has taken care of your problem.

Don’t put off maintenance and repairs any longer!

Our service fleet is waiting to serve you.