Granite State Plumbing & Heating, LLC is a reputable brand known for delivering top-quality HVAC service and exceptional customer experiences. With a strong focus on commercial mechanical contracting, commercial plumbing, and HVAC service, they are the largest Mechanical Company in NH. Their skilled team builds and maintains highly-efficient and long-lasting systems, providing excellent return-on-investment and low energy costs.

What sets them apart is their commitment to job site safety, with two full-time safety officers dedicated to inspections and ongoing training. They prioritize the safety of their employees and customers, ensuring a smooth and timely installation process. Additionally, Granite State Plumbing & Heating has an in-house CAD department equipped with the latest technology, including their own Trimble Total Station.

This allows them to create hangers in-house, speeding up field installations and saving valuable time. Founded in 1983 and now a wholly-owned subsidiary of Comfort Systems USA, Granite State Plumbing & Heating combines their expertise and resources to offer a wide range of technical expertise and services. With their exceptional track record and dedication to customer satisfaction, you can trust Granite State Plumbing & Heating for all your HVAC and plumbing needs