Duffey's Heating & Air Conditioning: Reliable HVAC Services Serving Littleton, CO 80127

Our installation process begins with a free, detailed estimate to discuss your home's specific needs and the right system for it. Our experienced technicians, who have been serving the area since 2005, handle everything from removing your old unit to installing the new, manufacturer-recommended system. We ensure the job is done correctly and cleanly, and we stand behind all our work with a 100% guarantee on both labor and parts.

Absolutely. A malfunctioning reversing valve is a frequent issue we see with heat pumps in our climate. Our technicians carry a wide range of quality parts in their trucks and are trained to diagnose and repair these complex components efficiently. We'll explain the problem clearly, provide a free estimate for the repair, and won't proceed without your approval, ensuring you understand the fix for your system.

Our preventative maintenance is designed to catch small issues before they become big, costly problems. During a visit, our licensed technicians perform a thorough check of your system, including calibration of thermostats and inspection of key components. This proactive care, backed by over 20 years of industry experience, helps improve efficiency, extend the life of your HVAC system, and maintain your comfort throughout Littleton's seasonal changes.