McDonnell Mechanical Services
HVAC Services
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Add ReviewMcDonnell Mechanical Services is a customer-focused heating, air-conditioning and ventilation company located in West Dennis, MA. We are state licensed (oil & gas) and fully insured serving the commercial and residential market of Cape Cod at a fair cost.
McDonnell Mechanical Services technicians are fully certified and factory trained. Our staff keeps up with the latest building code changes, and we will identify and obtain the necessary permits for all installations. We will arrange all needed inspections by fire or gas inspectors. As wonderful as all this HVAC equipment is; it will not function during a power outage. Standby generator backup for mechanical systems makes a lot of sense as part of a comprehensive package of environmental conditioning.