P&M Heating Services of Concord NH aspires to the communication and service quality of a slug and often achieves it. If you buy the good old boy act you'll wind up with a massive case of passive aggressive service. They do the minimum, inform you of nothing, walk off chuckling heartily. This was a boiler and gas line installation. They did not answer our inquiries about a service warrantee. They came at unexpected hours, their convenience. They used the old float and it didn't work, neglected to put a code required bonding in the... read full review »