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
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.
Highest-quality workmanship
No-hassle installs
A+ rating with the BBB
Locally owned and operated
Clean and tidy
Highly trained and certified technicians
Over 60+ years of combined experience
Upfront pricing
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
Top-notch company. Courteous, professional, and got the job done efficiently. Saved $6,000.00 in rebates too. Can't be beaten!
All 5 Stars
Courtesy and professionalism of our Phone Representatives
Timeliness in responding to your needs
Knowledge and expertise of the Salesperson
Communication and follow-up from the Salesperson
Courtesy and professionalism of the Installation Team
Expertise and workmanship of the Installation Team
Condition of the work area after job completion
Was the warranty discussed with you?
YES
Were our maintenance agreements explained to you?
YES
What brought you to our company?
REFERRED BY OTHERS
Please select your top 3 reasons for choosing our company:
PRODUCT,
TIMELY RESPONSE,
REPUTATION
-George S
Outstanding company and service
Courtesy and professionalism of our Phone Representatives
Timeliness in responding to your needs
Knowledge and expertise of the Salesperson
Communication and follow-up from the Salesperson
Courtesy and professionalism of the Installation Team
Expertise and workmanship of the Installation Team
Condition of the work area after job completion
Was the warranty discussed with you?
YES
What brought you to our company?
I AM A PRIOR CUSTOMER
Please select your top 3 reasons for choosing our company:
PRODUCT,
PRICE,
TIMELY RESPONSE
Outstanding company and service.
-Greg B
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
AC and Allergies
Summertime is the season for rest and relaxation—except when pollen decides to crash your party.
Read More
Controlling Humidity in Your Home
At the height of summer, the weather can get quite sticky here in Colorado.
Read More
What Are Air Scrubbers?
While most air quality systems typically target specific contaminants, air scrubbers can help remove a variety of particles, gases, odors, and contaminants from your Denver home’s indoor air.
Read More