Comfort Systems USA

Committed to Understanding Your Business

Granite State Plumbing and Heating is the premier design/installer of complete HVAC, plumbing, and process systems in New Hampshire. Our services can fit seamlessly into your business processes, allowing your project to be completed in a timely and productive manner. Our methodology ensures that we deliver on our promises and deadlines every time.

Check out our blog for information on the latest plumbing, heating, HVAC and medical gas systems and their preventive maintenance!

At a Glance

  • We execute Design/Build delivery – tell us what you want and we deliver it.
  • We specialize in all major markets - Education, Healthcare, Manufacturing, Commercial Office Buildings, Multi-family construction, …
  • We are committed to providing the most skilled tradesmen who have the highest level of training, certification and experience.

Commercial Property Owners

  • We help maximize your return on investment by providing quality, efficient construction, renovation, service and repair.
  • We can provide turnkey solutions or work with your general contractor/construction manager.
  • We provide 24-hour service and efficiency targeted preventive maintenance service contracts.

Construction Manager's Area

  • We deliver projects varying in size and complexity.
  • We exemplify attention on safety and it shows.
  • We've been in business since 1983.
  • We have the resources and support to do the job right.