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Professional Duct Sealing Service Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO

These same flaws in the duct system draw in unconditioned air, causing threats to indoor air quality, unpleasant smells, and temperature fluctuation. Don’t wait to contact M and M Heating, Cooling, Plumbing and Electrical for professional duct sealing and effective problem-solving.

M and M Heating, Cooling, Plumbing and Electrical tests the performance of the ducts and provides accurate evaluation. We follow up with honest and customized recommendations, pursuing the most beneficial course of action. Utilizing industry-leading technology and procedures, the sealing process is completed quickly and thoroughly, accessing the whole of the system without disruption or damage to the home.

Trust in our team for expert duct sealing service!

Family-owned and locally operated, M and M Heating, Cooling, Plumbing and Electrical answers the challenge of extreme weather, offering proven and rewarding services to protect the comfort, health, and energy efficiency of homes across Longmont, Dacono, Eric, Firestone, Frederick, Johnstown, Longmont, Mead, CO. Contact us today!


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Word Around Town
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.
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.
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.
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.
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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