Northern Colorado's local HVAC team
Reliable HVAC Service for Every Colorado Season
Give your home a passing grade in comfort. A Plus Heating & AC is the friendly, local team Northern Colorado homeowners trust for furnace, AC, and heat pump repair, maintenance, and installation.
- 5.0 rating from 444 Google reviews
- Licensed & insured
- 24-hour service available
What we do
Heating & Cooling Services That Make the Grade
From emergency repairs to energy-efficient upgrades, our technicians keep your home comfortable through Northern Colorado's wild weather, all year long.
Furnace Installation & Repair
Fast diagnostics and dependable repairs keep the heat on through every cold snap, plus high-efficiency furnace replacements when it's time to upgrade.
Explore furnace servicesAC Installation & Repair
Stay cool when summer heats up. We repair all makes and models and install energy-efficient central air systems sized for your home.
Explore AC servicesHeat Pump Installation
Efficient heating and cooling from a single system, selected and installed for Northern Colorado's climate and your comfort goals.
Explore heat pumpsHVAC Maintenance
Seasonal tune-ups catch small issues early, extend the life of your equipment, and help keep energy bills in check.
Explore maintenanceIndoor Air Quality
Air filtration, purifiers, and humidifiers from trusted brands like AprilAire, so your family can breathe easier at home.
Explore air qualityAir Duct Cleaning
Clear out built-up dust, allergens, and debris for cleaner airflow and a system that doesn't have to work as hard.
Explore duct cleaning
Why A Plus
Licensed, Insured, and Right Around the Corner
Hundreds of Northern Colorado homeowners rely on A Plus for honest recommendations and 5-star service. Here's what you can count on with every visit:
- Licensed, insured technicians who follow EPA standards
- Service for all makes and models
- Clear options and honest advice, never high-pressure sales
- Proud distributor of Lennox and AprilAire products
- A local team that gives back to the community
Ask about our special discounts for seniors and military members!
Maintenance membership
It Pays to Be an A Plus Member
Preventive maintenance is the secret to a reliable comfort system. Members get scheduled tune-ups all year long, plus perks that add up, including credits you can put toward a new system down the road.
Member Benefits
- Priority service scheduling
- 15% off future repairs
- Two maintenance visits every year
- 10% off all air quality products
- $50 credit toward a new system for every year enrolled
Reviews
Trusted by Hundreds of Happy Homeowners
Rated 5.0 out of 5 across 444 Google reviews.
“Zach came out and talked us through options to cool down our older two-story home in Fort Collins and was very knowledgeable and honest on the best option for us.”
Matthew R.
Google review
“Zach was extremely thorough and showed great attention to detail. He took the time to explain everything I needed to know about properly caring for my furnace… I highly recommend Mitch and his team.”
Daisy R.
Google review
“Grant came to perform HVAC and humidifier maintenance and did a great job! Very professional and great service! Thanks a lot.”
Mike G.
Google review
Community
Local Roots, Raising the Bar
A Plus owner Zach Karre was named one of NOCO Style's “30 Under 30” honorees, recognizing young leaders shaping Northern Colorado through service, innovation, and hard work.
Through our Roosevelt High School apprenticeship program, we mentor the next generation of skilled tradespeople, and we're proud to support local initiatives across the communities we serve.
Service areas
Proudly Serving Northern Colorado
Based in Berthoud and serving homeowners throughout the region, including:
- Berthoud
- Fort Collins
- Loveland
- Longmont
- Greeley
- Windsor
- Johnstown
- Mead
- Timnath
Comfort Is a Call Away
Furnace acting up or AC on the fritz? Talk with a real, local technician today. Free estimates on new systems and 24-hour service available.