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Our team is factory-trained, remains current with industry advancements, and draws from extensive in-field experience.  We work on all makes and models of cooling systems and complete the majority of repairs in a single service call.  To ensure that your comfort is restored quickly and to your satisfaction, contact M and M Heating, Cooling, Plumbing and Electrical at (720) 608-3973.

Long-lasting Air Conditioner Repairs Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO

Locally owned and family-operated, our commitment to your best interests isn’t limited to regular business hours.  Along with convenient scheduling, M and M Heating, Cooling, Plumbing and Electrical provides Emergency Service, 24 hours a day, 365 days a year.  Through courteous service, tidy job sites, and affordable solutions to even the most complex challenges, we continue a tradition of over eighteen years of satisfied customers across Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO.

Common AC Problems And How We Fix Them

At M and M Heating, Cooling, Plumbing and Electrical, we recognize the importance of a reliable air conditioning system, especially during the sweltering summer months. Common AC problems can quickly disrupt your comfort, but our expert technicians are equipped to handle a wide range of issues efficiently. Below are some of the most common air conditioning problems and how we repair them:

  • Inadequate Cooling:
    • Causes: Dirty air filters, low refrigerant levels, malfunctioning compressors.
    • Solutions: Thorough inspection, cleaning or replacing filters, recharging refrigerant, repairing or replacing compressors.
  • Strange Noises:
    • Causes: Loose or damaged components such as belts, fans, or motors.
    • Solutions: Identifying and fixing loose or damaged parts, ensuring smooth and quiet operation.
  • Water Leaks:
    • Causes: Clogged drain lines, malfunctioning condensate pump.
    • Solutions: Clearing blockages, repairing or replacing faulty parts to prevent water damage and ensure efficient operation.

Our skilled technicians are committed to providing top-quality AC repair services to keep your home cool and comfortable all year round.

Get trusted AC repair service from M and M Heating, Cooling, Plumbing and Electrical!

Handling both residential and commercial cooling repair, the specialists from M and M Heating, Cooling, Plumbing and Electrical are qualified and prioritize the long-term value of your air conditioner.  Trust the #1 Rated and Certified – A/C, Heating, and Plumbing Experts! We are also a Premier Lennox Dealer.


View Our Other Cooling Services




When it comes to AC repair, customers can expect a comprehensive and efficient service that ensures their comfort and satisfaction. Here’s what you can expect:

  • Initial Inspection: Our skilled technicians will conduct a thorough inspection of your air conditioning system to identify the root cause of the problem.
  • Diagnosis and Assessment: After identifying the issue, we’ll provide you with a detailed explanation of the problem and discuss the best course of action for repair.
  • Transparent Pricing: We believe in transparent pricing, so you’ll receive a clear estimate outlining the cost of repairs before any work begins.
  • Quality Repairs: Our team is equipped with the knowledge and tools to perform high-quality repairs promptly, ensuring your AC system is back up and running efficiently.
  • Customer Communication: Throughout the repair process, we prioritize clear communication, keeping you informed every step of the way and addressing any concerns you may have.
  • Testing and Verification: Once repairs are completed, we’ll test your AC system to ensure everything is functioning correctly, providing you with peace of mind.
  • Follow-Up and Maintenance Recommendations: After the repair, we may offer recommendations for ongoing maintenance to prevent future issues and keep your AC system running smoothly.

At M and M Heating, Cooling, Plumbing and Electrical, we are committed to delivering reliable AC repair services with a focus on customer satisfaction, ensuring you stay cool and comfortable year-round.

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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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