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There’s only one call to make for all of your HVAC, electrical, and plumbing needs in Erie, Colorado. M and M Heating, Cooling, Plumbing and Electrical provides a full spectrum of residential and commercial expertise. Whether for new installation, upgrades, timely maintenance, or any type of repair, we achieve the results you’re looking for.

Expert Heating, AC, Plumbing & Electrical Services in Erie, CO

We build on 26 years of experience, holding fast to our commitment to honesty and integrity, while always innovating and progressing. Our team of professionals remains current with technological advancements in products and techniques to maximize the value of every job. We work tirelessly to trim your operational costs and increase efficiency, reliability, and long-term rewards.


M and M Heating, Cooling, Plumbing and Electrical

110 South Bowen Circle
Longmont, CO 80501
Call Us: (720) 608-3973
Review Us on Google


Trust in M and M Heating, Cooling, Plumbing and Electrical for repair, maintenance, and installation services!

As a family-owned and operated business, we recognize the need for dependability. Count on us for punctual arrival, no-mess job sites, straightforward answers, and swift turnaround. Have confidence in the quality of heating, cooling, plumbing, electrical, and insulation systems we recommend. We take every project as an opportunity to improve the situation. Supporting the best interests of home and business owners across Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO, M and M Heating, Cooling, Plumbing and Electrical is always the right first choice.

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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.
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.
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.
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.
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.
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Erie, CO