We agree to accept responsibility for your 100% complete satisfaction with the operation of the equipment provided by us. Within the first year of a new equipment installation if you are not 100% happy with your purchase, for any reason, we will do what we can do to make it right …From exchanging and replacing with different equipment to removing the equipment and refunding your money in full. If you’re not happy, we’re not happy. It’s that simple. No surprises. No regrets. Guaranteed.*

*Conditions may apply

Word Around Town

All Reviews Leave One

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.

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.

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.

Superior, CO

Gunbarrel, CO

Louisville, CO

Niwot, CO

Lafayette, CO

Berthoud, CO