✓ Family Owned Business
✓ No Hidden Fees
✓ Transparent Pricing
✓ Local Heating Experts
✓ Local Cooling Experts
✓ Serving the Denver Metro Area
✓ ICC Certified
✓ Fully Licensed & Insured
✓ High Quality Service & Installs
High-Quality HVAC Services in Longmont
Reliable and Efficient HVAC Solutions for Comfort All Year Round.
Experience unparalleled HVAC services in Longmont offering a full spectrum of heating, cooling, and air quality solutions to keep your home cozy and efficient.

AC Services in Longmont
Stay cool during the sweltering summer months with our top-notch AC services. Whether you need a new AC system installed or require repairs and replacements for your existing unit, we've got you covered. Our spring AC tune-ups are designed to maximize your system's efficiency, ensuring consistent comfort without breaking the bank on energy bills.

Heating Services in Longmont
As the chilly months approach, ensure your home is warm and inviting with our expert heating services. We specialize in the installation, repair, and replacement of furnaces, providing comprehensive furnace tune-ups to guarantee peak performance throughout the fall. Our skilled technicians are committed to enhancing your home's heating efficiency, ensuring you stay comfortable no matter how low the temperatures drop.

Boiler Services in Longmont
Your boiler is crucial for maintaining warm water flow and comfortable indoor temperatures. We offer comprehensive boiler services that include installation, repair, and replacement. Our team ensures that every boiler system functions at its best to provide reliable warmth throughout your home.

Mitsubishi Ductless Mini Splits in Longmont
Discover the flexibility of Mitsubishi ductless mini splits with our specialized services. Whether it's installation or maintenance you require, our team ensures seamless operation tailored to your home's unique needs. Enjoy precise climate control with minimal hassle through professional repair and replacement services.

Tankless Water Heaters in Longmont
Simplify your water heating solution with our tankless water heater services. From installation to repair and replacement, we focus on delivering efficient hot water systems that save space while cutting down on energy usage. Experience continuous hot water supply without compromise.

Your Trusted Partner for HVAC Services in Longmont
Choosing Blue Collar Heating & Air means entrusting your comfort to seasoned professionals dedicated to excellence at affordable rates. We pride ourselves on meticulous craftsmanship that guarantees flawless installations or repairs each time you call us out. As a proudly local business with over two decades of experience primarily serving residential clients—and some light commercial work—we offer personalized service that feels like family!
Your Satisfaction Guaranteed
Your satisfaction is our priority! We service all makes and models of furnaces, ACs, boilers, mini splits & tankless water heaters under our No Surprises Policy—transparent dealings mean no hidden fees or unexpected charges.









Certified HVAC Professionals
Our fully certified team is qualified to handle all aspects of your heating HVAC system installations and repairs. Count on us for reliable expertise that ensures comfort throughout every season.


