Major Heating & AC

When your furnace fails on a cold Denver night, you need a reliable expert fast. Our certified technicians provide 24/7 emergency furnace repair services to restore heat to your home or business promptly. We diagnose issues accurately, from faulty ignitors and blower motors to problematic heat exchangers, and explain your options clearly.

If your system is beyond repair or inefficient, our furnace installation service offers a lasting solution. We are authorized Carrier dealers, providing access to top-tier, energy-efficient models that qualify for significant local rebates. Our process includes a detailed load calculation for your Denver home, ensuring the new unit is perfectly sized for optimal performance and efficiency. We handle everything from removing the old unit to precise installation, ductwork modifications, and thorough testing. With over four decades of experience, we guarantee a clean, professional installation that delivers reliable warmth for years to come.

Upgrade your Denver home's comfort and efficiency with a modern heat pump system. As both a heater and an air conditioner, a heat pump is an excellent year-round solution for our region's climate. We specialize in installing both air-source and cold-climate heat pumps, including advanced geothermal systems, helping you maximize energy savings and available utility rebates.

Our consultation begins with an assessment of your property and energy goals. For geothermal installations, our design/build team handles the complex loop field design and integration. We guide you through the latest models and financing options, including special promotions like 0% APR financing. The installation is performed by our specialized team, ensuring the system is integrated seamlessly with your existing ductwork or configured for ductless operation. We prioritize precision and longevity, so you can enjoy consistent, affordable comfort while reducing your carbon footprint.

Your commercial facility in Denver demands a HVAC partner who understands the critical link between environmental control and your business operations. Major Heating & AC brings over 40 years of specialized commercial experience, offering a full spectrum of services from routine boiler maintenance to complex building automation systems.

Our commercial approach is built on the Major Service System™, which means we don't offer one-size-fits-all solutions. We start with a forensic evaluation of your current systems, energy usage, and comfort challenges. From there, we design and implement customized solutions, whether it's upgrading building controls for efficiency, repairing critical refrigeration units, or installing a complete geothermal system for a new build. We serve a wide range of commercial clients, providing reliable service that minimizes downtime and protects your bottom line. Partner with us for a proactive, data-driven approach to your facility's mechanical needs.

The air you breathe indoors directly impacts health, comfort, and system efficiency. For homeowners and businesses in Denver, we offer comprehensive indoor air quality (IAQ) solutions and customized maintenance plans to ensure your HVAC system performs at its best.

Our IAQ services address common local concerns like dust, allergens, and dry air. We assess your home's specific needs and recommend solutions such as advanced air filtration systems, UV lights to neutralize biological contaminants, humidifiers, and ventilation upgrades. To prevent problems before they start, our tailored maintenance plans provide seasonal tune-ups, priority service, and discounts. A well-maintained system runs more efficiently, lasts longer, and prevents costly emergency breakdowns. Let us create a proactive care plan that safeguards your investment and your family's well-being throughout the year.