Top-Rated Heating & Furnace System Pros Near You in Longmont, CO

Carbon Valley Heating and Air

Carbon Valley Heating & Air strives to provide the very best heating and cooling services to our clients, and will always deliver 100% customer satisfaction. We employ HVAC contractors who specialize in providing excellent customer service and efficient, quality services that our clients can count on.

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Carroll Mechanical Services

Carroll Mechanical Services of Longmont offers residential and commercial HVAC installation and services. We pride ourselves on top quality service at a reasonable price. We have over 15 years of experience in HVAC installation and repair in the Longmont area. We install and service all heating and air conditioning brands and guarantee our customerÌĉۢs satisfaction. Our technicians are professionally trained, licensed, reliable, and courteous. All your questions are our priority, as we are ready to ser

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Highland Heating & Air, Inc.

Highland Heating & Air Proudly Serving Longmont, CO Since 2007. Got an air conditioning or heating unit problem? Don't hesitate to call Highland Heating and Air Inc. Experienced HVAC NATE certified technicians are on call 24/7/365. Any time - day or night!

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Groulx Mechanical Heating & Cooling

Grouix Mechanical Heating and Cooling is a reliable heating and air conditioning service thatÌĉۢs based out of the greater Longmont area of Colorado. They do everything from repairs to replacements. They also provide indoor air quality services to eliminate poor indoor air pollution. Grouix Mechanical Heating & Cooling makes sure their clients are comfortable as they offer competitive prices on their services which also include maintenance plans. They offer a great experience through trained technicians t

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CT Heating and AC Inc

CT Heating and AC Inc team of highly trained experts is here to handle a full range of problems and HVAC needs, ensuring customer satisfaction from installation to maintenance.

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M and M Heating Cooling Plumbing

M and M Heating and Air Conditioning has been serving Longmont, Colorado for over 19 years.With a fully certified, licensed and insured staff, Carrier factory authorized dealer.M and M Heating Cooling Plumbing can fulfill your Plumbing, HVAC, AC, Water Heater or Furnace needs.Family owned and operated, located in the heart of Longmont.Award winning 2012 through 2016 Angie's list Super Service.2016, 2017 back to back first place readers choice winner.Additional DBA - Meiers Mechanical Inc.M and M Heating Coo

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SAC Mechanical/Sam Ainsworth & Co

Sam Ainsworth & Company was founded in April of 1982, in Greeley, Colorado, by Sam Ainsworth and Sam Ainsworth Jr. The business originally started as a commercial HVAC service provider. The company incorporated in October of 1984 as Sam Ainsworth & Company Mechanical Contractors Inc. The company then expanded its service base to include restaurant HVAC and cooking equipment, ice machines, as well as some residential new construction. Our Values: Provide maximum customer satisfaction Operate honestly and wi

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Service Experts Heating & Air Conditioning

Service Experts Heating & Air Conditioning Longmont has been serving the Longmont area for over 30 years, providing heating, cooling, indoor air quality, repair, installation, and service.We are here for all your home comfort needs and our NATE-certified technicians are qualified to service, repair, and install all the top brands of heating and cooling, and indoor air quality systems.To schedule a seasonal HVAC maintenance, or to request a complimentary in-home air analysis, call 303-647-5749 today and one

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Viking Mechanical Services, LLC

Viking Mechanical Services, LLC provides customers in Boulder, Louisville, Broomfield, Longmont, Loveland and the neighboring areas affordable residential and commercial heating, cooling, and plumbing services to include maintenance, repairs, and installation of boilers, furnaces, air conditioners, and water heaters.The experienced technicians at VMS are highly qualified, licensed, and insured.Viking Mechanical Services, LLC cares about the community and those who serve it which is why we offer a 10% discou

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Welzig Heating and Air

Welzig Heating and Air, your heating and air conditioning specialists, is a locally owned and operated company since 1994. We serve Longmont, Boulder, Loveland, Dacono, Erie, Firestone, Frederick, Gunbarrel, Lafayette, Louisville, and Niwot.

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Heating & Furnace Systems FAQs

The average nationwide cost for heating and furnace system services varies based on the type of service required. For example:

  • Furnace installation: $2,500 to $7,000 for a mid-range model, though high-efficiency units can exceed $10,000.
  • Furnace repairs: $150 to $1,200, depending on the complexity of the repair (e.g., thermostat replacement vs. blower motor repair).
  • Heating system tune-ups: $100 to $300.
  • Ductwork installation or repair: $1,200 to $5,000, often depending on home size and duct complexity.

Keep in mind that prices may vary significantly based on your location, local demand, and the individual contractor or company. Always request a detailed estimate before committing to any service.

Choosing a reliable heating and furnace professional in Longmont requires careful consideration. Here are some tips:

  1. Verify licensing and insurance: Check if they meet local requirements.
  2. Read reviews: Look for feedback on platforms like Google or Yelp from local customers in Longmont.
  3. Request references: Ask for customer testimonials or examples of previous work.
  4. Get multiple quotes: Compare costs and services.
  5. Check warranties: Ensure coverage for labor and parts.

By following these steps, you can find an experienced and reputable pro to service your heating system in Longmont.

A well-detailed heating and furnace system estimate should include:

  • Scope of work: Description of services (e.g., installation, repair, or tune-up).
  • Itemized costs: Labor, materials, equipment, and taxes.
  • Timeline: Estimated start and end dates.
  • Warranty information: Coverage duration for parts and labor.
  • Payment terms: Down payment, due dates, and financing options if applicable.

Make sure no hidden fees are outlined, and confirm that the estimate aligns with your budget and expectations.

Pay attention to these common signs that your furnace may need repair before winter arrives:

  • Unusual noises: Banging, rattling, or whistling sounds during operation.
  • Cold spots: Uneven heating in your home.
  • Increasing energy bills: Might indicate inefficiency.
  • Frequent cycling: Furnace turns on and off more often than usual.
  • Yellow pilot light: Should be blue; a yellow flame may signal carbon monoxide issues.

If you notice these symptoms, contact a professional to assess and repair your furnace promptly.

Annual maintenance is the recommended frequency for most heating systems. Regular check-ups ensure:

  • Optimal performance: Systems run efficiently and reliably.
  • Energy savings: Well-maintained units consume less energy.
  • Extended lifespan: Prevents wear and tear from minor issues escalating.
  • Safety: Detect and resolve potential hazards like gas leaks or carbon monoxide.

Schedule maintenance before the winter season to ensure your system is ready for colder months.

Yes, heating and furnace services are often regulated to ensure safety and quality. Licensing requirements vary by state or locality. For example, technicians might need certifications such as NATE (North American Technician Excellence).

You can check local licensing or regulations through your state’s licensing board or building department. A trusted resource is the National Contractor License Service (NCLS) website, which details licensing guidelines by state.

Heating and furnace system professionals can typically install or repair:

  • Forced-air furnaces: Gas, electric, and oil.
  • Heat pumps: Including air-source and geothermal models.
  • Boilers: Gas or oil-powered systems for radiant heating.
  • Ductless systems: Ideal for room-specific heating.
  • Radiant floor heating: Common in newer or renovated homes.
  • Hybrid systems: Combines elements of heat pumps and traditional furnaces.

Choosing the best system depends on your climate, budget, and home layout.

During your consultation, ask these important questions:

  1. Are you licensed and insured? Confirm credentials.
  2. What warranties or guarantees do you offer? Understand coverage terms.
  3. How long will the job take? Get clear timelines.
  4. What’s your experience with systems like mine? Confirm expertise.
  5. Do you offer financing options? Helpful for large projects.

These questions ensure transparency and help you evaluate if the professional is a good fit.

Furnace installation or replacement typically takes 1–2 days. However, the exact timeline depends on:

  • System size and type: Larger or more complex systems may require extra time.
  • Ductwork condition: Repairs or new installations could extend the duration.
  • Accessibility of the installation area: Tight spaces or obstacles may slow the process.
  • Unforeseen issues: Such as structural modifications or equipment delivery delays.

Discuss the timeline with your contractor during the estimate to plan accordingly.

Yes, many Heating & Furnace System Pros offer emergency repair services in Longmont. In urgent situations, such as complete heating failure during winter, professionals prioritize quick responses to restore comfort and safety. Be sure to:

  • Ask about availability: Confirm 24/7 or after-hours service.
  • Discuss fees: Emergency repairs may include surcharges.

For emergencies, having a trusted local contact ready can save vital time.

Reviews for Heating & Furnace System Pros

Furnace Fixed in Just One Day!
Our heater went out during a cold snap in Fargo, and we were desperate. Within hours of posting on the platform, a heating pro was at our door, diagnosing the issue. They replaced a faulty igniter and saved us from a sleepless, freezing night—all without breaking the bank.
Michael R.
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Cut My Heating Bill in Half!
I struggled with sky-high energy bills and suspected my old furnace was the cause. The pro I found through this service upgraded me to an energy-efficient system, and the results were immediate! My monthly bill is now 50% lower, and the house is warmer than ever.
Ashley P.
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Stress-Free System Repair
When our furnace kept blowing cold air, I was dreading the hassle of finding a trustworthy repair service in Atlanta. This platform hooked us up with a top-rated technician who diagnosed and fixed the issue in a single visit. I can't explain how much peace of mind it brought knowing our family was warm again by bedtime.
David L.
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Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Nov 29, 2025, 8:09:32 AM