Our Most Popular Services

TRANE Comfort Specialist

Trusted Littleton HVAC & Boiler Experts with 50 years of combined Experience

At Simply Mechanical, AC, Furnace & Boiler Repair, we’re proud to be your local HVAC experts serving the Littleton metro area. With over 50 years of combined experience, our NATE-certified technicians bring unmatched skill and reliability to every project. We specialize in everything from traditional heating and cooling systems to complex boiler repairs and installations—making us a trusted name for both homeowners and businesses throughout the region.

Founded on the belief that HVAC service should be simple, honest, and effective, we’re committed to delivering high-quality work and straightforward solutions. As a Trane Comfort Specialist, we understand the importance of having dependable heating and cooling in Colorado’s unpredictable climate. When you choose Simply Mechanical, you’re choosing a team that values your comfort and stands behind every service we provide.

Contact Us

Terms

  • Financing from $500 - $25,000*
  • APRs from 0% to 35.9%*
  • Terms from 3 to 60 months*
  • No penalties, late fees, or compounding interest
Xcel Energy

Save Big with Xcel Energy Rebates

Upgrade your home’s comfort and efficiency with rebates worth up to $9,000 on a qualified heat pump, available through Xcel Energy and Simply Mechanical. 

Reliable HVAC & Boiler Repair Services in Littleton CO

Reliable HVAC & Boiler Repair Services in Littleton & the Littleton Metro

When your comfort is on the line, you need a team that knows what they’re doing and shows up when it matters most. At Simply Mechanical, our certified professionals are equipped to handle everything from emergency furnace repairs to full-scale boiler installations—always with prompt, friendly service and a focus on long-term results. We believe in doing things right the first time, and our customers trust us because we deliver consistent, high-quality workmanship.

We’re not a franchise—we’re your neighbors. That means we take the time to get to know your home, your needs, and your expectations. Whether you’re a homeowner facing a no-heat emergency or a business looking to upgrade your system, we’re here with reliable guidance and affordable solutions. That’s why so many in Littleton and across Littleton count on Simply Mechanical year after year.

What Your Neighbors Are Saying About Us

Ralph A.
Both very friendly, courteous, competent and fast. By days end, unit was completely installed. Tyler came back next day (on his day off) to walk us thru operation and maintenance. Chatted for a few minutes about his background and said he loves working for Simply Mechanical as he has an amazing boss- best ever.
Barret V.
Absolutely a joy to work with. Very knowledgeable people who don’t try to take advantage of you. They are very pragmatic about what is the best way to take care of a problem at the lowest cost to you. They act like they are doing the job on their own house.
Paul B.
Steve Martin was prompt, professional and analytical. With his advice, I was able to replace a circuit breaker and repair the air conditioner. I am very satisfied with Simply Mechanical's performance and will recommend them to others.
Abigail F.
Stephen and his team are amazing to work with! He is thorough in his inspections, has great pricing. They also offer financing and great applicable specials to your needs! It's a reminder you get what you pay for! If you want a great experience, an honest and reputable business, Simply Mechanical is the right choice for you!
Cannon P.
Simply Mechanical did an amazing job replacing our AC system! We had a very unusual system from a previous homeowner, and Simply Mechanical worked tirelessly to replace it with a better system, and they gave us a great price too!
Eric B.
Great, communicative, experienced company. Stephen is very friendly and knowledgeable. Willing to do what it takes to get units fixed correctly. John and Tyler are also very friendly and knowledgeable. They come out as quickly as possible, communicate, and do the job correctly.
JustForPaws
Great team! Everyone is very respectful of each other and the space they are in. They are efficient and work together as smooth as possible. Job is done right and for a fair price!
Laura M.
Of the bids that we got, Simply Mechanical was the most knowledgeable, honest and reasonably priced. Options were presented and we decided to replace our furnace. A temporary fix was done until the replacement could be scheduled. Our new furnace got us through the cold snap!
C J
The technician did an excellent job. He was very knowledgeable and thorough in checking the HVAC system and quickly resolved the problem. We were impressed and very pleased with the service provided by Simply Mechanical.
Laurie D.
This company did a great job for me. Followed through with all details and in a timely manner. They had to go through my home and took extra steps for cleanliness. I got 5 bids and this company was the best and even added some extra services with no charge. Very impressed and look forward to working with them moving forward. Thanks
BBB Accredited Business - Simply Mechanical, AC, Furnace & Boiler Repair
NATE North American Technician Excellence
TRANE Comfort Specialist
Technician Seal of Safety

Our most recent blogs