Professional HVAC Company in Longmont

Colorado’s famously shifting weather can bring temperature swings that put your Longmont HVAC system to the test. Whether you're cooling off after a blistering summer day or keeping cozy during a frigid winter evening, A Plus Heating and Air will make sure your HVAC system is up to the task no matter what the forecast brings.

From furnace and AC installations to system tune-ups, repairs, and maintenance, we deliver top-quality HVAC services in Longmont that are tailored to your system and needs. We’ve got Longmont covered with our value-packed maintenance plans, so you’ll enjoy extra savings and reliable comfort all year long. Your home deserves nothing less.

Quality HVAC Maintenance in Longmont, No Matter the Season

A Plus is your go-to HVAC expert in Longmont, offering top-tier heating and cooling services, including installations, repairs, and emergency services. Our proactive maintenance plans help prevent costly breakdowns, keeping your system in peak condition and ensuring your home stays cozy on the coldest winter nights and refreshingly cool when summer temperatures soar.

Homeowners in Longmont count on A Plus for everything from routine tune-ups to full system replacements and energy-efficient upgrades. Whether you need a quick repair or a complete overhaul, we’re here to make sure your HVAC system gets a passing grade in every season.

Preventive HVAC maintenance

Furnace tune-up service

Central air system maintenance

Heat pump troubleshooting

Furnace replacement

Central air system installation

Air filtration upgrade service

Indoor air purifier installation

Reach out today to schedule service with our trusted Longmont HVAC team. We’re happy to provide free estimates and proudly offer special savings for seniors and military personnel.

Join Our Member Service Plan for Extra Perks

Regular HVAC maintenance is essential for keeping your system running efficiently. By joining our member service plan, you’ll enjoy:

Priority service
15% off future repairs
Biannual maintenance visits
10% off all air quality products
A $50 credit toward a new comfort system for every year you’re with us!

A Plus Heating & Air gets full marks from homeowners in Longmont and Northern Colorado

We give back to the community
We service all types of HVAC equipment
We follow strict EPA standards
We bring years of specialized experience
We prioritize outstanding customer service
We treat each client like family

As authorized distributors of AprilAire and Lennox products, we’re ready to meet all your Longmont HVAC installation and air quality needs. Contact us today to get started on your next project!

Contact Us Today!

Service Areas

Longmont, Lyons, Berthoud, Loveland, Windsor, and Johnstown, CO Serving all of Northern Colorado

Preferred Vendors

Longmont

Professional HVAC Company in Longmont

HVAC System Maintenance

Residential HVAC Services

Air Filtration and Purification Systems

HVAC System Installation