Superior Services for Plumbing, Heating, and HVAC

Serving New England Since 1991

Superior Services for Plumbing, Heating, and HVAC

Serving New England Since 1991

Deck is a Company for Your Plumbing, Heating and Cooling Needs

Deck Mechanical Plumbing & Heating, LLC has been providing sales, service, and installation for more than 30 years. As a result, we have the equipment and experience needed to meet or even exceed your expectations.


Qualified and Insured

Master Plumber License: New Hampshire #3280
Master Plumbers License: Vermont #3376
State of New Hampshire: Gas License # GFE 081205


  • Ground Source Heat Pump
  • IBR Commercial Hydronic
  • IBR Residential Hydronic
  • NCI Commercial Testing and Balancing
  • Propane Gas from NFGA
  • Refrigerant Handling from Air Conditioning Contractors of America (ACCA)
  • State of NH Safety Council Heating Systems and Air Quality

About Us

We perform HVAC, plumbing, gas, conduct testing and balancing, and control services. Our team serves clients in various states. Here is a complete list of our service areas:

  • Connecticut
  • Maine
  • Maryland
  • Massachusetts
  • New Hampshire
  • New York
  • Pennsylvania
  • Vermont

Brands We Carry

When it comes to plumbing, our company carries long-lasting and reliable brands.

Air Conditioning

If you are looking for a new air conditioning unit but you do not know which model to get, consider reliable brands such as York, Mitsubishi, and Fujitsu.

Heating and Cooling Solutions

Whether you require heating or cooling you can rely on our team to provide sales, service, and installation. For more information, send us a message.


Are you planning on remodeling or new construction? We can recommend brands with durable options that meet your criteria.