Raising the Standard in Comfort & Service
Since ’92 – Locally owned and operated, community-minded HVAC experts providing Residential and Commercial clients with integrity, quality, and trust.

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Our HVAC experts will provide a personalized estimate tailored to your home’s heating and cooling needs.

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Expert HVAC solutions
Certified technicians serving Colorado with precision and care

Commercial HVAC solutions
Certified technicians serving Colorado with precision and care
Experience the difference with our professional HVAC services

Licensed & Insured
Fully licensed, bonded, and insured for your peace of mind.
24/7 Emergency Service
We’re here when you need us most, day or night.
40+ Years Experience
Two decades of expert HVAC service and customer satisfaction.
Expert Technicians
Certified professionals trained on the latest HVAC technology.
All-in-One HVAC solutions for your home and business
At Northern Air, we understand that indoor comfort extends far beyond simple temperature control. Since our founding in 1992, we’ve dedicated ourselves to creating optimal indoor environments through expert heating and cooling services. Our locally owned company brings more than 30 years of combined experience in heating and air conditioning repair, service, and installation to every project we undertake. We recognize that each property has unique requirements, whether you’re dealing with Colorado’s scorching summer afternoons or bitter winter mornings, and our team of certified technicians takes every step necessary to provide customized solutions that match your specific needs. We have an A+ BBB rating, which showcases our dedication to serving our community.
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Our comprehensive approach to HVAC services means we handle everything from routine maintenance to complete system overhauls. We specialize in diagnosing complex issues that other contractors might overlook, utilizing advanced diagnostic equipment and methodologies to identify problems at their source. This thoroughness ensures that when we complete a repair or installation, you can count on reliable performance for years to come.
Air Conditioning Services That Keep You Cool
When summer temperatures soar across Fort Collins, Loveland, Timnath, Wellington, Windsor and Laporte, CO, having a properly functioning air conditioning system becomes essential for comfort and health. We provide complete AC installation services, helping you select the right system size and efficiency rating for your property. Our installation process involves careful load calculations to determine the exact cooling capacity needed, ensuring your new system operates at peak efficiency without unnecessary energy consumption. We work with industry-leading manufacturers, and as a Lennox Premier Dealer, we can offer you access to some of the most reliable and efficient cooling systems available today.
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Our AC repair services address everything from refrigerant leaks and compressor failures to electrical issues and frozen evaporator coils. We maintain a fully stocked fleet of service vehicles, allowing us to complete most repairs during the initial visit. Regular air conditioner service helps prevent unexpected breakdowns and extends equipment lifespan significantly. During our maintenance visits, we perform comprehensive inspections, clean critical components, check refrigerant levels, test electrical connections, and verify proper airflow throughout your ductwork system.


Heating Solutions for Colorado Winters
Colorado winters demand reliable heating systems that can maintain comfortable temperatures even during extreme cold snaps. Our heating service encompasses furnaces, heat pumps, boilers, and radiant heating systems. We understand the intricacies of each heating technology and can recommend the most appropriate solution based on your property’s layout, insulation quality, and budget considerations. Modern heating systems offer impressive efficiency ratings, with some achieving over 98% AFUE ratings, translating to substantial energy savings throughout the heating season.
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We excel at troubleshooting heating problems that leave homeowners frustrated and cold. Common issues we address include:
- Pilot light and ignition failures: requiring careful inspection of safety controls and gas valves
- Heat exchanger problems: which can pose serious safety risks if not properly diagnosed
- Blower motor malfunctions: affecting heat distribution throughout your home
- Thermostat calibration issues: causing temperature inconsistencies and comfort problems
- Ductwork leaks: reducing system efficiency and increasing energy costs
Furnace Installation
Expert installation of high-efficiency furnace systems tailored to your home.
Heating Repair
Fast and reliable repairs to get your heating system back up and running.
Safety Inspections
Comprehensive safety checks to ensure your furnace operates safely.
Energy Efficiency
Upgrades and maintenance to reduce energy costs and improve performance.
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What Our Customers Say
Don’t just take our word for it – hear from our satisfied customers
Proudly Serving Your Community
We’re proud to provide professional HVAC services to homeowners and businesses throughout the greater metro area. Our service area includes:
Fort Collins, CO Loveland, CO Timnath, CO Wellington, CO Windsor, CO Laporte, CO Severance, CO Ault, CO
Don’t see your city listed? Give us a call! We may still be able to serve you.

24/7 Emergency Response and Reliability
HVAC emergencies don’t follow business hours, which is why we’re available 24/7 to address urgent heating and cooling issues. Our emergency response team understands that a failed heating system in January or a broken air conditioner in July requires immediate attention. We prioritize emergency calls and dispatch experienced technicians who can quickly diagnose problems and implement effective solutions, regardless of the time or day.
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Being the trusted experts in Fort Collins, CO and the surrounding areas means we’ve built our reputation on reliability and transparent communication. We provide detailed explanations of necessary repairs, offer multiple solution options when available, and ensure you understand the work being performed on your system. Our technicians undergo continuous training to stay current with evolving HVAC technologies and best practices, ensuring we deliver solutions that meet modern efficiency standards and environmental regulations.
Our commitment to excellence extends beyond technical expertise. We respect your property, using protective floor coverings and cleaning up thoroughly after each service visit. We believe that professional HVAC service should enhance your comfort without disrupting your daily life, and we structure our operations accordingly to minimize inconvenience while maximizing results for every customer we serve.







