At American Air Heating & Air Conditioning, we’re proud to have served the Longmont community with dependable HVAC solutions for over 20 years. As a woman-owned business and a veteran employer, our company is built on integrity, attention to detail, and genuine care for the families and businesses we help. From routine maintenance checks to urgent heating or air conditioning repairs, our experienced technicians are committed to keeping your home comfortable through every season. We also provide free estimates to make planning easier, and our A+ rating with the Better Business Bureau shows the level of trust Longmont residents have placed in our team year after year.
Zip Codes Serviced: 80501, 80502, 80503, 80504.
Homeowners in Longmont count on American Air Heating & Air Conditioning for residential HVAC solutions built to handle Colorado’s unpredictable climate. Whether you’re settling into a new house or replacing an outdated system, we offer energy-efficient options that make year-round comfort both reliable and affordable. As a proud installer of Lennox products—recognized for their durability and superior efficiency—we provide trusted systems designed to last. From full system replacements to new installations, our skilled technicians guide you through every step to ensure your home has the right solution for your comfort and budget.
At American Air Heating & Air Conditioning, we offer professional heat pump installation services designed to keep Longmont homes comfortable through Colorado’s shifting seasons. Whether you’re upgrading an older system or installing a heat pump for the first time, our team ensures a smooth, stress-free process from beginning to end. We install dependable Lennox systems known for their energy efficiency, reliable performance, and year-round comfort. Our technicians carefully match each system to your home’s layout, your energy-efficiency goals, and your family’s needs—so you can feel confident that your investment will deliver comfort and savings season after season.
At American Air Heating & Air Conditioning, we install high-quality ductless mini-split systems that bring flexible, energy-efficient comfort to homes throughout Longmont. Ideal for home additions, remodels, or spaces where traditional ductwork isn’t an option, these systems provide a straightforward solution without compromising performance. Our Mitsubishi ductless units are known for their quiet operation, modern design, and easy installation, making them a smart choice for any home. With zoned temperature control, you can customize comfort in each room while reducing energy waste, ensuring year-round efficiency from hot summer days to cold winter nights.
When winter arrives in Longmont, a dependable heating system is the key to keeping your home warm and comfortable. That’s why so many local homeowners trust American Air Heating & Air Conditioning for expert furnace installation, maintenance, and repair services. We install energy-efficient furnaces built for reliable performance and consistent warmth, helping you stay cozy while keeping utility bills in check. Whether you need a brand-new system, preventative maintenance, or an urgent repair, our experienced technicians ensure your furnace is ready to take on even the coldest Colorado nights.
For dependable hot water in your Longmont home, turn to the trusted team at American Air Heating & Air Conditioning. We provide full water heater services, including expert installation, routine maintenance, and fast repairs for both traditional tank models and advanced tankless systems. Our energy-efficient tankless options deliver endless hot water while helping reduce utility costs, making them a smart choice for households of any size. Whether you’re replacing an aging unit or upgrading to a more efficient solution, our technicians will guide you in selecting the water heater that best matches your home’s needs and lifestyle.
At American Air Heating & Air Conditioning, we understand that the quality of your indoor air is just as important as keeping the right temperature. That’s why we provide Longmont homeowners with a complete range of indoor air quality solutions designed to minimize allergens, balance humidity, and filter out harmful pollutants. From advanced air purification systems to ventilation upgrades, our services are tailored to create a healthier, more comfortable home environment. Whether you’re dealing with seasonal allergies or simply want cleaner, fresher air for your family, our experts can recommend the system that best fits your needs.
Keep your heating and air conditioning systems running smoothly all year long with a customized maintenance plan from American Air Heating & Air Conditioning. Designed for Longmont homeowners, our seasonal tune-ups and detailed inspections help improve efficiency, prevent unexpected breakdowns, and extend the life of your equipment. With consistent care, you’ll enjoy reliable comfort, fewer repair surprises, and the peace of mind that your HVAC system is ready to handle Colorado’s shifting seasons.
American Air Heating & Air Conditioning is proud to serve Longmont businesses with reliable commercial HVAC services tailored to the needs of your building. From brand-new system installations to emergency repairs and scheduled maintenance, our team works to keep your workplace comfortable and efficient year-round. We handle systems of all sizes—from small office units to large-scale commercial equipment—ensuring every job receives the same level of care and expertise. No matter your industry or facility type, you can count on our experienced technicians to deliver dependable service and solutions that keep your business running without interruptions.
At American Air Heating & Air Conditioning, we’re dedicated to helping Longmont homeowners cut energy costs without sacrificing comfort. Our range of ENERGY STAR® certified products and environmentally friendly services are designed to lower monthly utility bills while supporting a more sustainable lifestyle.
Our NATE-certified technicians bring expertise and precision to every installation, repair, and maintenance appointment—ensuring your system runs efficiently and reliably for years to come. By choosing American Air, you’re not only improving your home’s comfort, but also making a smart investment in long-term savings.
As a proud ENERGY STAR® partner, we’re committed to helping Longmont families make eco-friendly upgrades that benefit their homes and the environment. Each high-efficiency system we install contributes to a cleaner, greener future for our community—one household at a time.
At American Air Heating & Air Conditioning, we’re proud to give back to the men and women who serve both our country and the Longmont community. As a way of showing our gratitude, we provide a 5% discount to active-duty military members, veterans, firefighters, and police officers. As a veteran employer, we recognize the sacrifice and dedication that come with service, and this discount is our way of saying thank you. Your commitment inspires us every day, and we’re honored to serve you with the same dedication you’ve shown to others.
At American Air Heating & Air Conditioning, we believe lasting trust comes from honesty and clear communication. That’s why we provide straightforward, transparent pricing with no hidden fees or surprises. From your first consultation through the final installation or repair, our team keeps you informed every step of the way. In every Longmont home we serve, we put integrity first—because your comfort deserves dependable service from a company you can count on.
For more than 20 years, American Air Heating & Air Conditioning has been proud to deliver reliable HVAC solutions to communities across Northern Colorado—including right here in Longmont. Our A+ rating with the Better Business Bureau reflects the honesty, craftsmanship, and dedication we bring to every project. As a locally owned and operated company, we understand the unique comfort needs of Longmont homeowners and businesses. We’re grateful for the trust our community continues to place in us and remain committed to providing dependable, personalized service year after year. From our family to yours—thank you for choosing us as your trusted partner in comfort.
