close-up of a gas furnace flame.

How Do I Know I Have a Cracked Heat Exchanger?

December 30, 2025

Our experienced furnace repair technicians will inspect and diagnose your furnace issue and resolve the concerns you are having.

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5 Tips to Improve Your Home’s Indoor Air Quality (IAQ) This Winter

5 Tips to Improve Your Home’s Indoor Air Quality (IAQ) This Winter

December 15, 2025

Cold winter weather is the perfect excuse to seal your home tight, dial up the thermostat, and burrow under a thermal blanket. You will undoubtedly stay warm if you take those steps, but you might also trap pollutants, allergens, and airborne particles in your Cherry Hills Village, home.

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4 Reasons to Replace Your HVAC Air Filter. HVAC filter replacing.

4 Reasons to Replace Your HVAC Air Filter

November 30, 2025

While it may seem like a simple component, your HVAC’s air filter plays a vital role in maintaining indoor air quality, protecting HVAC equipment, and promoting energy efficiency.

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Why Buying a Heat Pump Instead of a Furnace Makes Sense. Businessman holding jar of savings.

Why Buying a Heat Pump Instead of a Furnace Makes Sense

November 15, 2025

Homeowners across the country are rethinking the traditional gas furnace and opting for heat pumps instead. Why? These systems provide year-round comfort, operate more efficiently, and don’t rely on fossil fuels.

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Furnace Maintenance and Winter Energy Saving Tips

Furnace Maintenance and Winter Energy Saving Tips

October 30, 2025

It’s understandable that home maintenance tasks can fall by the wayside. Many homeowners in Littleton, follow the old saying: “If it ain’t broke, don’t fix it.” Life gets busy, and other priorities tend to creep in each month, eating away at your time and budget.

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How Your HVAC Equipment Protects Against Viruses

How Your HVAC Equipment Protects Against Viruses

October 15, 2025

At Cool Sunshine Heating & Air Conditioning, our top priority is the health and safety of you and your loved ones. We take great pride in selling indoor air quality (IAQ) products to homes in Cherry Creek

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Schedule Your Annual Furnace Inspection Now. A repairman working inside a home, repairing a furnace.

Schedule Your Annual Furnace Inspection Now

September 30, 2025

What’s at the top of your fall to-do list in Cherry Hills Village? Make sure it is your furnace.

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Why Is Remodeling My Home in the Fall or Winter a Better Time. Some ladies have a chat on the stairs to discuss which color to paint the woodwork in their new home.

Why Is Remodeling My Home in the Fall or Winter a Better Time

September 15, 2025

Whether you’re upgrading a kitchen, refreshing a bathroom, or adding extra living space, tackling your renovation during the off-season can help you stay on schedule—and maybe even under budget.

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Why Is My Heat Pump Turning On and Off Frequently? A person turning up the temperature.

Why Is My Heat Pump Turning On and Off Frequently?

August 30, 2025

Homeowners in Littleton, generally favor heat pumps for their energy efficiency and dual heating and cooling capabilities. However, like any HVAC system, they can develop issues that impact performance.

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Why Is My Thermostat Blank? Blank space on screen of thermometer.

Why Is My Thermostat Blank?

August 15, 2025

Is this a serious issue—does it mean your furnace, heat pump, or air conditioning is broken? Not necessarily. In fact, most of the time, it is something minor and can be easily fixed!

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Need HVAC Service?

Contact the experts at Cool Sunshine Heating & Air Conditioning.

Call us at 303-287-1846!