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We handle even the toughest challenges with all makes and models, in both residential and commercial applications, minimizing downtime and maximizing the return on your investment.  With over eighteen years of satisfied customers, M and M Heating, Cooling, Plumbing and Electrical upholds exacting standards of quality and service, providing a trusted source of heating repair. We are a trusted Lennox Premier Dealer.

Trusted Heating Repairs in Longmont, CO and the entire Front Range

Locally owned and family-operated, we recognize the importance of a job done quickly, done once, and done right.  Our team of technicians are NATE-certified, factory-trained, remain current with evolving technology, and equipped with cutting-edge diagnostic tools.  What does that mean for you?  Your call is always answered by a highly experienced, skilled, and knowledgeable HVAC specialist who will provide accurate analysis, cost-effective recommendations, and reliable solutions.


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Proudly Serving the Entire Front Range

Heating repair services aim to resolve common issues that can disrupt the functionality and efficiency of heating systems, ensuring comfort and warmth within homes and buildings. Here are some common heating problems addressed during repairs:

  • Thermostat Malfunctions: Incorrect readings or failure to communicate with the heating system can lead to temperature inconsistencies.
  • Clogged Air Filters: Dirty filters restrict airflow, reducing system efficiency and causing strain on components.
  • Pilot Light or Ignition Problems: Issues with the pilot light or ignition system can prevent the furnace from starting or staying lit.
  • Lack of Maintenance: Neglected maintenance can result in worn-out components, dirty ducts, and inefficient operation.
  • Faulty Electrical Connections: Loose or damaged electrical connections can cause system malfunctions or safety hazards.
  • Uneven Heating: Problems with zone control systems or balancing dampers can lead to uneven heating distribution.
  • Noisy Operation: Unusual noises like banging, rattling, or squealing may indicate mechanical issues within the system.
  • Leaks or Drips: Water leaks or drips around the furnace or boiler may signal issues with condensate drainage or other components.

Addressing these common heating problems promptly through professional repair services helps restore the system’s functionality, efficiency, and safety, ensuring optimal performance and comfort for occupants.

Emergency Heating Repair Services in Longmont, CO and the entire Front Range

When facing heating emergencies, our 24/7 service ensures prompt and reliable assistance to restore comfort in your home. Our trained technicians are equipped to handle a wide range of urgent heating issues, providing swift resolutions to problems such as:

  • Total System Failure: Whether due to electrical issues, fuel supply problems, or mechanical breakdowns, our team responds quickly to diagnose and repair your heating system, ensuring minimal downtime.
  • Gas Leaks or Odors: Gas furnace malfunctions can pose safety risks, including leaks or unusual odors. Our emergency response includes thorough inspections and repairs to address any gas-related concerns promptly and safely.
  • Frozen Pipes or Components: During extreme cold, pipes and heating components can freeze, leading to system failure. Our technicians thaw frozen parts and implement preventive measures to safeguard against future issues.
  • Sudden Loss of Heat: If your heating system suddenly stops producing heat, especially during frigid weather, our emergency service ensures that the problem is identified and resolved swiftly, restoring warmth to your home.
  • Faulty Ignition Systems: Issues with ignition can leave your home without heat. Our technicians are skilled in diagnosing and repairing ignition problems to restore proper functioning of your heating system.

Our commitment to 24/7 emergency service means you can rely on us day or night, ensuring that your heating emergencies are handled promptly and professionally, minimizing discomfort and inconvenience in your home.

For expert heating repairs, call the team from M and M Heating, Cooling, Plumbing and Electrical!

M and M Heating, Cooling, Plumbing and Electrical is fully licensed and insured and we take every extra step to ensure a rewarding start-to-finish experience. Contact M and M Heating, Cooling, Plumbing and Electrical at (720) 608-3973 for service throughout Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO.

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Word Around Town
Working with Chad was really great. He understood our needs, explained what would need to be done to accomplish our needs. He produced a reasonable quote and we have scheduled the time to get the wok done. Easy as one,...
Ken R.
I appreciate the honesty and integrity that he presented. Did not try to steer me in a direction that was not needed just to make a buck. I would recommend M and M just off that alone. That’s hard to...
Mike R.
M and M replaced my 40 year old hot water baseboard boiler heater and zone valves. They did a great job. Professional and protected my new carpet. I would highly recommend them.
Brian W.
As usual, the service was timely and Stephen does an exceptional job. Very customer oriented, and explains any issues in detail so you can make educated decisions. Have used M&M for many years and extremely pleased.
Michael G.
So far, so good! The tech, Will, who came out to evaluate our AC and Furnace was quick and efficient, and located the issues that two other well-reviewed local HVAC companies didn’t catch. He made clear recommendations on how we...
Ben W.
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