Best HVAC & Furnace Repair Services in Longmont

Why These HVAC & Furnace Repair Services?

Our goal is to connect people with the best local experts. We scored Longmont HVAC & Furnace Repair Services on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 44 36 24

Our Selection Criteria:

  • 1. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 2. Qualifications

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Reputation

    A history of delighted customers and outstanding service.

  • 4. Experience

    Masters of their craft, based on years of practical experience and education.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Read more about our selection process

Colorado Proud Heating and Cooling

  • Air Conditioning
  • Furnaces
  • 24/7

Colorado Proud Heating and Cooling is a locally owned business that delivers HVAC and furnace repair services around Longmont. Its technicians work on HVAC inspections to determine the cause of problems and provide repair options. They offer annual routine maintenance plans for optimum performance and longevity, and the company also handles AC installation and replacement. Duct and venting solutions, as well as commercial and residential air quality checks, are also available. Colorado Proud Heating and Cooling responds to emergency HVAC repair calls.

434 Berwick Avenue
Firestone, CO 80520


Home Run Heating

  • Air Conditioning
  • Tune Up
  • 24/7
  • Carrier

Founded in 1994, Home Run Heating offers 24-hour HVAC repair services to residential and commercial property owners within the Longmont area. Its technicians use up-to-date technology to assess and fix or refurbish faulty boilers, furnaces, air cleaners, and filter systems. Scheduled cleaning maintenance services and regular tune-up checks are also available. The staff at Home Run Heating upgrades and installs humidifiers, air filters, gas furnaces, thermostats, and central heating systems.

727 Main Street
Longmont, CO 80501


JM Heating and Cooling

  • Air Conditioning
  • Furnaces
  • Thermostats

JM Heating and Cooling is a local, family-owned and operated company that has served residential and commercial property owners in Longmont for over 10 years. The company's certified technicians employ leading-edge equipment to inspect, diagnose, and repair or replace faulty humidifiers, furnaces, and air conditioning systems, and they also schedule maintenance, cleanup, and regular tune-up checks. Plus, the employees of JM Heating and Cooling install HVAC systems in new construction.

1301 Gay Circle
Longmont, CO 80501


Sub Zero Heating and Air Conditioning, Inc

  • Air Conditioning
  • Furnaces

Sub Zero Heating and Air Conditioning, Inc. repairs and installs heating, ventilation, and air conditioning (HVAC) systems in Longmont. Some of its HVAC services include repair and installation of furnaces, ductless mini-splits, hot water tanks, UV or LED air purifiers, and smart control thermostat. Sub Zero Heating and Air Conditioning, Inc.'s office is located in Boulder and has a team of technicians with over 25 years of professional experience with HVAC systems.

2525 Arapahoe Avenue Unit E4 PMB 535
Boulder, CO 80302


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