New Hampshire's Trusted Commercial Plumbing & HVAC Contractor
Serving the people of industry and business for over 40 years
Commercial Systems Design, Installation and Repair for the State of New Hampshire
Make us your commercial mechanical contractor
For over 40 years, Granite State Plumbing & Heating has provided business owners throughout New Hampshire with commercial mechanical contracting services and system maintenance solutions. We are New Hampshire’s most trusted company for commercial mechanical contracting, plumbing, and heating & air conditioning maintenance. Call today for commercial mechanical contracting services, HVAC, plumbing, and preventative maintenance that you can trust.