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Reliable Tankless Water Heater Services Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO

Our fully licensed, insured, and experienced plumbers are proficient in new installation, replacement, conversion, maintenance, and repair of all makes and models. We offer honest answers, knowledgeable recommendations, and free second opinions.

Family-owned and locally operated, M and M Heating, Cooling, Plumbing and Electrical specializes in innovations that add convenience, enjoyment, and cost-savings to everyday life. The outstanding energy efficiency of tankless water heating quickly recovers the initial investment.

Call our team for your tankless water heater installations, maintenance & repairs!

This space-saving alternative also allows flexibility in location, tends to last approximately twice as long as conventional tank-style alternatives, has longer warranties, and eliminates the possibility of rupturing and flooding. You’ll enjoy unlimited hot water, with no waiting and enough for multiple showers and appliances to run at once. Get in touch with M and M Heating, Cooling, Plumbing and Electrical for all of your tankless water heating questions and needs, anywhere across Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO.


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Word Around Town
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.
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.
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.
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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