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Trusted HVAC Services in Denver | Rabbit Heating & Air
Since 1999, Rabbit Heating & Air has been delivering quality, affordable HVAC services to customers in Thornton, Denver, and nearby areas. Let us know how we can assist you. We specialize in installing premium Lennox furnaces, air conditioners, boilers, air quality products, and duct systems at the most competitive prices. Regular maintenance is essential for the proper and safe operation of your heating and cooling equipment.

We provide maintenance services to ensure your family's safety and comfort, while maximizing equipment efficiency and reliability. Prepare your heating and cooling system for the upcoming season now! Rabbit Heating & Air Conditioning is the foremost expert in heating and air conditioning services in Denver, offering a full range of HVAC services, repairs, and installations for the Denver Metro area.

From furnaces to AC units, boilers to water heaters, humidifiers to swamp coolers, we handle it all, exceeding industry standards. We install top-of-the-line Lennox products promptly and affordably, and we offer repairs for all brands of equipment.
Services
HVAC Maintenance Furnace Repair AC Installation Boiler Service Water Heater Replacement Emergency Repairs System Certification Air Quality Solutions Commercial HVAC Financing Options
Served areas
  • Brighton CO, Commerce City CO, Centennial CO, Thornton CO, Northglenn CO, Westminster CO, Lakewood CO, Aurora CO, Erie CO, Broomfield CO, Wheat Ridge CO, Denver CO
Details
  • Year established: 1999
  • Employees: 10
Highlights and features
  • 25 years of Denver HVAC expertise with A+ BBB rating
  • NATE-certified technicians for superior technical knowledge
  • Free equipment quotes and 1-year installation warranty
  • 24/7 emergency service with 48-hour warranty response
  • Manufacturer-backed warranties on all new equipment
Associations and certifications
  • Better Business Bureau
  • NATE Certified
  • EPA Certified
Payment methods
  • Cash, Checks, Debit cards, Credit cards, Financing available
What people say
Professional technicians Quick response Fair pricing Excellent service Energy savings
Services
HVAC Maintenance
Professional HVAC maintenance ensures optimal system performance and longevity. Our technicians perform comprehensive inspections, cleaning, and safety checks for furnaces, air conditioners, and heat pumps. Regular maintenance prevents breakdowns, improves energy efficiency, and maintains manufacturer warranties. We use specialized tools to test components and provide detailed reports to Denver homeowners and businesses.
Furnace Repair
Emergency furnace repair services for Denver's cold winters. Our certified technicians diagnose and fix all brands of heating systems, including gas, electric, and high-efficiency models. We carry common replacement parts for same-day repairs and provide detailed cost estimates before any work begins. Available 24/7 for urgent heating needs.
AC Installation
Professional air conditioning installation for residential and commercial properties. We offer energy-efficient Lennox systems with SEER2 ratings up to 18. Our technicians perform load calculations to determine optimal system size, ensuring proper cooling and humidity control. Includes new condenser, coil, and warranty registration with manufacturer-backed protection.
Boiler Service
Specialized boiler maintenance and repair services for Denver properties. Our technicians handle all types including combi-boilers, system boilers, and conventional models. Services include pressure checks, component testing, and efficiency optimization. We offer replacement options with high-efficiency models that reduce energy consumption while maintaining consistent heating.
Emergency Repairs
Around-the-clock emergency HVAC repair available for critical system failures. Our rapid response team handles furnace breakdowns, AC emergencies, and heating system malfunctions. After-hours service includes diagnostics, temporary solutions, and priority scheduling for complete repairs during regular business hours.
Questions
What HVAC services do you offer in Denver?
We provide full-service HVAC solutions including furnace and AC repairs, boiler maintenance, water heater replacements, system installations, and 24/7 emergency service for residential and commercial clients in Denver Metro.
Are your technicians certified?
All our technicians hold NATE certification and EPA 608 certification, with ongoing training to maintain industry expertise and stay current with HVAC technology advancements.
Do you offer financing options?
Yes, we offer two special financing options on new Lennox products: 12 months no payments or interest, or 60 months at 7.99% APR with approved credit.
What areas do you service?
We serve the entire Denver Metro area including Thornton, Lakewood, Westminster, Broomfield, Northglenn, and surrounding Colorado communities for all HVAC needs.
How can I schedule service?
Call us at 303-227-9284 for immediate assistance, use our online scheduling for non-urgent appointments, or visit our website to request a free estimate for new system installations.
What warranties do you offer?
We provide a 1-year labor warranty on installations, 30-day labor warranty on repairs, and manufacturer warranties on new equipment ranging from 1-10 years depending on product type.
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Reviews (15)
Boeun Chea
Aug 13, 2023 Report
Rabbit bear several other quotes and came out within 24 hours of my water heater going out. They communicated well. Prices were always clear and no hidden fees. Technicians arrived on time and were respectful and explained the whole process. They finished quickly and cleaned after themselves. I paid what I was quoted. This is how business should be done!
Wes
Apr 23, 2023 Report
Spoke to Rick (service tech) on the phone he was very knowledgeable, professional, and a pleasure to speak with. We need more service men like Rick in this world!
Eric Dougherty
Feb 04, 2023 Report
Great technicians and service. Our heat went out in the middle of the night and they were here same day and install next day postponing plans they had that were less urgent. Pricing was reasonable and the level of attention given on informing me the progress from start to finish was excellent. Installed both a new furnace, ac unit, and re-ran ducts, new registers, and intake in the same day, whereas other companies were 6 weeks out prioritizing larger jobs. Would recommend them to anyone.
Jake Weber
Dec 02, 2022 Report
Rick at Rabbit Heating and Air definitely takes pride in getting a good job done. I had a 35 year old furnace and no AC, so I was looking to upgrade everything at the same time. He gave me tons of options which I definitely appreciate. Compared to the cheapest competitors who just said "We'll throw in an economy AC and furnace for ya", his detailed explanation on options really helped me feel like I was a part of the process.

Because I care so much about the environment, he was able to get me a High Efficiency Heat Pump/AC installed High Efficiency Furnace installed for a lesser price than the "Economy Models" from big name contractors, and while it's not the dirt cheapest installation, I feel good knowing I got a quality system installed. I recommend Rabbit Heating and Air 100%.
D. C.
Jan 30, 2021 Report
Rick and Alejandro did a great job, the whole process was painless and easy, great bid, great and professional installation. Highly recommended
H. Citizen
Dec 30, 2020 Report
Mark from Rabbit explained thoroughly my furnace's problem and cost alternatives. I decided to replace the entire non functioning furnace and he got in install scheduled for the very next day. The team was fast and did a nice job. Cleaned up after themselves too! I had a follow up call to them regarding a drain pipe and Mark was back out in two hours to make a modification to better suit our site. Thanks Mark, for providing great customer service! I'll use them again if needed and would recommend them to anyone.
Byron Guidry
Aug 21, 2020 Report
Rick Rodriquez was very professional and fair. Rabbit presents their pricing up front. They are very competitive and do not add fees. We compared to Costco contractor and they were cheaper. They flexed their replacement appointment around our family vacation but still fit us on their schedule on 97 degree days. They fixed numerous things: bad pad placement, moved the electric service box, doubled our basement return duct capacity, which greatly increased the air output on the second floor! Along with a larger and more efficient unit, our electric bill went down! I recommend Rabbit and will use them again!
Kate McElroy
Jul 19, 2020 Report
Rick is a fantastic person to work with, and his team Alex and others are hard workers who do the job right. We had 3 quotes for a new AC system and theirs was the most honest & reasonable with a high quality product and excellent service. Would absolutely recommend them, we are very happy with our new system, the way it was done, and the cost.
Justin Harvey
Jun 10, 2020 Report
I've worked with Rabbit Heating & Air on a few occasions. From replacing my furnace to, more recently, helping us get our AC back up and running (was over 90 degrees in my house. Yikes!) I've recieved nothing but exceptional and speedy service at a great price! Great work from great people. Highly recommend.
Paul Bonsell
Jul 31, 2019 Report
The owner is very knowledgeable. He was more interested in getting me the best equipment for the size of my house rather than just letting me buy the most expensive system. I bought a furnace from them and a year later i upgraded to central air. In my opinion and i did my research. i got not only a killer deal on equipment they supplied but the installers went above and beyond. Everyone else i know that has central air, you can tell the installer just threw everything in as quick as they could.

Not these guys, they really spent a lot of time and effort on the install. I am a skilled tradesman myself so typically my opinion when i hire someone to do work is that i could've done it better. That was definitely not the case this time. i was thoroughly impressed and got way more than my money's worth. I highly recommend Rabbit Heating and Air. I hope to see this company continue to be successful in a market that is extremely difficult based on how much competition there is out there.
Ajay Malhotra
Dec 09, 2018 Report
Rick was very helpful in determining the correct a/c unit based on the layout of our home. His team was able to come and install the unit within a few hours. I am pleased with their diligent work and the price they offer for the a/c units. They even list their price online, so cool. Furthermore, the inspection passed with no issues at all. Lennox seems to be a fantastic brand and it cools my house in no time.
Sandra Bb
Sep 19, 2017 Report
We have used Rabbit twice in the last year, first for an AC and then a heater. They were great for both. Good prices and prompt service. Always kind with great customer service, before, during and after installation.
John K.
Jul 01, 2017 Report
I am pleased with the service. I have used them three times in the past two years. I am pleased with how thorough they are when they visit, but I am more pleased at the fact that they don't gouge me. So far I have had excellent luck. I will use them again in the future. As well, I did not think they were too expensive.
David Coscarelli
Oct 21, 2016 Report
Rich is a phenomenal AC guy. Didn't up sell me on any unnecessary equipment. Did a great job educating me on my AC and furnace. AC works great after his visit where he came a day early. Thanks!
Leo Martinez
Aug 01, 2016 Report
Our furnace went out right after Christmas, we were quoted $10,100 from a competitor, and Rabbit was less than half. Thank you so much!