"MM Comfort Systems came to install our new furnace. Well, first, I took a flyer from Costco and left them a message to say I was interested. They called back right away, were totally courteous, and sent someone to look at my current system. The guy was super knowledgeable, and gave me the low-down on my system and the pros and cons of 2 Lennox systems without any jargon. He left me 2 estimates without any pressure. They were able to install the same week. Two polite, professional, friendly guys showed up. They were so efficient that they got the job done an hour sooner than expected. All the welds and seals were perfect. Afterwards, one of them gave me clear instructions on what to do next (inspection, register, how to control my thermostat with a phone app, etc.)...They were awesome! The furnace is dreamy! It's so quiet, and the "circulate" setting keeps the 3 hot rooms at a temperature more close to the rest of the house. I'm definitely signing up for a service package."