I have used MP for over 10 years. As our house ages we keep things updated. They are probably not the least expensive but my experience is that they deliver what I want and very timely. Out of the dozen or more times I have used them (from large to small problems) only once was I frustrated with them. But we eventually came to agreement on how best to solve my furnace and AC problem. What they recommended and installed has worked perfectly for us - our 3,000 sf townhouse is cooled and de-humidified better than expected.
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