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Furnace & AC Installation, Repair, Service and Cleaning in Denver CO

Full service for all your HVAC needs! Quality Heating and Air Conditioning Services! Call Us Today at 303-948-8808!

About Us

Get to know us a little better

Proudly serving the Denver Metro area, Sentry Heating & Cooling is a full-service residential HVAC company dedicated to setting the industry standard for quality in heating and air conditioning service. We service all brands and are boiler experts!

We provide full service for all your HVAC needs, from purchasing and selling to installations and repair work. We also carry ENERGY STAR rated heating and cooling systems that can help you save up to 30% on energy costs. So don’t wait to get your system repaired or installed. Call us today to get the best support available to meet your needs, schedule, and budget.

With the latest state-of-the-art HVAC equipment and a highly experienced staff, we have the tools to handle any task, big or small. We offer a wide selection of HVAC (Heating, Ventilation and Air Conditioning) products, including:

Our commitment is to creating long-term relationships with our clients by providing quality without compromise. We promise to never leave a job that has not been executed to your complete satisfaction.

When you choose Sentry Heating & Cooling, you can always rest assured that:

All of our employees have been hand-picked for experience, competence, and courtesy.

We purchase all of our products and materials directly from manufacturers and pass the savings on to you.

We will never add any hidden charges – the initial quote will be the all-inclusive end price.

So whether you’re looking for installation, repairs, or maintenance service for your heating or cooling system, count on us for prompt, affordable and honest service.


Serving within a 50 mile radius of Littleton CO