An Air Conditioning and Heating Company in Denver, CO

If you’re tired of dealing with impersonal national companies when it comes to handling your home’s heating, air conditioning, and ventilation, then why not turn to a company built by Denver, CO natives from the ground up? Cool Sunshine Heating and Air Conditioning, Inc. has been in business since 1997, and our original founders are still involved and hands-on from day to day. When you call us, you’ll always talk to someone who cares about the business—and cares about taking care of the business of your comfort needs.

We have an excellent team of licensed and certified technicians, most of who have been with us for more than 10 years. They can handle everything from repairs for your AC and furnace to taking on custom duct designs for remodels and custom homes. Our big happy family wants to make your family happy!

Air Conditioning

Summers are hot here in the Mile High City, and even with low humidity it can become uncomfortable. We can install a new air conditioning system to replace the old one that isn’t working out the way it should, and our technicians are also trained to tackle repair work and regular check-ups for a system that isn’t yet ready to retire. Read more

Heating

Can you imagine trying to make it through a Denver winter without a furnace or other type of heating system to keep your family toasty? Neither can we, and we want to make sure you never have to deal with this situation. We install and service furnaces, boilers, and ductless heating systems. Trust to our installers to match your home with the best heating solution. Read more

Indoor Air Quality

One of our specialties is custom designs for ductwork in homes, so we know all about proper air circulation to help with indoor air quality. In addition to our extensive duct testing and sealing services, we offer a number of indoor air quality installations such as humidifiers, air purifiers, and air filtration systems. Let us find the right choice for the best air quality in your home! Read more