YOU CAN COUNT ON THE 
Heating
Trust our team at Cool Sunshine to keep your home warm and comfortable on those colder nights here in CO. Our HVAC professionals work with all makes and models of furnaces so you can rely on us to help with any type of heating need you may have.
Cooling
Our high-efficiency air conditioners can bring plenty of comfort to your Denver home when the summer temperatures start to soar. Our cooling experts at Cool Sunshine work with all makes and models of air conditioners.
Indoor Air Quality
Breathe easy and stay healthy by improving the indoor air quality in your home or business. Our team of indoor air quality experts can help you clean your air to help promote good health. Cool Sunshine has all of the right solutions to put you on the right path for an ideal indoor environment.
WE HAVE PROCESSES IN PLACE FOR COVID-19.
A+ rating with the BBB
Highest-quality workmanship
No-hassle installs
Locally owned and operated
Clean and tidy
Why Choose Cool Sunshine?
With over 60+ years of combined experience, Cool Sunshine has been installing the highest-quality, most energy-efficient systems throughout the Denver metro area. We pride ourselves on putting our customers first, ensuring their home comfort needs are always met.
Highly trained and certified technicians
Upfront pricing
Over 60+ years of combined experience
YOUR HEATING & AIR CONDITIONING COMPANY IN DENVER, CO
At Cool Sunshine, we pride ourselves on being an industry leader, serving the Denver metro area since our very first day in business back in October 1996. We are family owned and operated, specializing in tailoring your Cool Sunshine experience to exactly what you need.
Our hands-on owners are involved with the everyday operation of Cool Sunshine, striving to make each experience an easy process for both our customers and team members. Our highly trained team members can handle anything from routine furnace or air conditioning maintenance or repair to installing high-efficiency, energy-saving heating and cooling systems.
We are dedicated to building lifelong relationships with our customers while providing the highest-quality, energy-efficient systems and best workmanship in Denver.
CHECK OUT OUR LATEST SPECIALS
FREE ESTIMATES!
Schedule an estimate for a new system today!
FREE ESTIMATES!
Schedule an estimate for a new system today!
SEE WHAT OUR CUSTOMERS ARE SAYING ABOUT US
Air Conditioner Maintenance in Denver, CO, 80206
Excellent Experience
Excellent experience. I felt that the technicians were professional, efficient, and courteous.
Gas Furnace Maintenance in Denver, CO, 80206
“Cool Sunshine installed and has maintained our heating and cooling systems for over ten years. The owners are extremely knowledgeable, and you know they are good at running their business when the "new guy" has been there for 9 years and staff are not just good at what they do, but love what they do. Can't say enough good things. Just, thank you.”
WE LOVE HEARING FROM OUR CUSTOMERS
If you've had us work on your HVAC system we would love to hear from you, too.
READ THE COOL SUNSHINE BLOG
Spring Money-Saving Tips
Everyone loves to save money, and it’s a good idea to review different aspects of your budget now and again to see if there are more opportunities you have missed in the past. In the springtime, considering how you can reduce your energy bills is always a great idea.
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Wildfires and Indoor Air Quality
As wildfires continue to spread across California, Oregon, and other parts of the country, this is an appropriate time to think about improving the indoor air quality (IAQ) of your Cherry Creek home or business. Even if you and your loved ones are unaffected by the ash and smoke, these fires remind us all of the importance of fresh air.
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What Is a Dual Fuel Heating System?
Cool Sunshine Heating & Air Conditioning is happy to lay all the options on the table so you can make the best decision for your Littleton home. Here’s what you should know about dual fuel systems:
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