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Contact Your Independent Trane Dealer:

Cool Sunshine Heating & Air Conditioning, Inc.

Providing the highest quality, most dependable
home comfort systems since 1996
Serving Denver, CO and Surrounding Areas.
License Number: 231249
Mon: 8:00am - 5:00pm
Tue: 8:00am - 5:00pm
Wed: 8:00am - 5:00pm
Thu: 8:00am - 5:00pm
Fri: 8:00am - 5:00pm
Sat: Closed - Closed
Sun: Closed - Closed

Our Services

  • Air Conditioners
  • Air Filters
  • Boilers
  • Ductless Air Conditioning
  • Ductless Mini Split
  • Evaporative Coolers
  • Furnaces
  • Heat Pumps
  • Radiant Floor Heat
  • Zoning
NATE Nexia Better Business Bureau

About Us


Cool Sunshine has specialized in custom design systems for existing homes and new construction homes for maximum comfort & efficiency since 1996. Our owners have over 50 years combined experience in installation/design/custom layout and are involved in all of the daily operations. We provide custom design and layout for every job we do. Our in house custom sheet metal design shop fabricates all of the sheet metal fittings required for the custom installations we do, providing the highest quality, longest lasting materials on the market. With our expertise design, custom sheet metal fabrication and high quality workmanship, combined with Trane high efficiency equipment we can provided the most efficient comfort systems to our customers and provide maximum home comfort. Customer satisfaction is our #1 priority! We believe in honesty, integrity and quality!!

Cool Sunshine Heating & Air Conditioning, Inc. (303) 287-1846 8380 Welby Rd.
Denver, CO 80229


0% Financing for 15 Months
This coupon entitles a homeowner to 0% financing for 15 months. Only one (1) coupon per service address will be accepted. Coupon must be presented at the time of service. Payment for the balance is expected at the time of service.
Call us for your heating and AC repair needs in Denver, CO!
Cannot be combined with other offers.
20% Off Service Call for New Customers
This coupon entitles a first-time customer to save 20% on a service call performed by Cool Sunshine Heating & Air Conditioning, Inc. Coupon must be presented and balance paid at the time of service.
Call us for your heating and AC repair needs in Denver, CO!
Cannot be combined with other offers.
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Trane Technologies is a leading global provider of indoor comfort systems. Trane's offerings include energy efficient cooling and heating solutions for homes, air conditioners, heat pumps, furnaces, air humidifiers, thermostats, parts and service. © 2022 Trane
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