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Find Gas piping pros in Portsmouth

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
4.9(
311
)

Serving Portsmouth, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Customers say: True professional

"I had Rob install a tankless hot water heater, whole house water filter, and run a new gas line for my gas stove conversion. He was very professional and and was quick to set an appointment. The whole job took a single day and he even removed and disposed of the old outdated appliances. Quality work at reasonable prices! Would highly recommend."
Response time2 hrs
Response rate94%
17 neighbors recently requested a quote
Avatar for Ferris Plumbing, Heating & Air
Ferris Plumbing, Heating & Air
4.9(
58
)

Serving Portsmouth, NH and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Main water pipe inthe house had a pipe leaking and need to be fixed right away as there was no way as the go W owner to shut the water off.I contacted them through Angi list. They contacted me right away.Let me know the steps to take to get the water turned off by the town. they came the following morning.Accessed the problem and gave me a estimate Job was done right and signed up with them for all time. Thank you again Ferris Plumbing and Heating. Sincerely, Lori Balcom"
Various Remodel Jobs
Various Remodel Jobs
Various Remodel Jobs
Various Remodel Jobs
Various Remodel Jobs

+24

132 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Gotme Under Pressure ?, LLC
Gotme Under Pressure ?, LLC
4.2(
640
)

Serving Portsmouth, NH and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"Not only did they respond to my inquiry immediately but came out to inspect and test the gas line for leaks. Very knowledgeable and being knew to the area we have found a business we can rely on for any future needs."
Response time1 day
4 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Coy Plumbing & Heating
Coy Plumbing & Heating
5.0(
8
)

Serving Portsmouth, NH and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"We were very pleased with the communication and the outcome of our project. We have an old home with some older piping. Finding someone that works on steam boilers is tough. When they looked at the install, they explained what needed to happen clearly deand unrstandable."
Additional Photos
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Additional Photos

+4

Response time2 days
Response rate100%
Recommended by87%of homeowners
Avatar for GMR Mechanical
GMR Mechanical
4.4(
56
)

Serving Portsmouth, NH and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Needed to replace my home a/c and GMR Mechanical visited my home quickly. We discussed the options and was quoted a price on the spot with the available installation dates. Their prices were reasonable so I hired the company for the A/C replacement. The work completed by GMR Mechanical was excellent, cleaned up and were very polite. I would hire again."
Recommended by83%of homeowners
Avatar for DF Richard Energy
DF Richard Energy
4.1(
31
)

Serving Portsmouth, NH and surrounding areas

In business since 1932

Free estimates

Emergency services offered

DF Richard Energy is the area's (seacoast nh & so. maine) leading provider of propane and heating oil, high efficient heating and cooling (HVAC) sales and service as well as energy conservation solutions through our in home services division dr. Energy saver seacoast. We help our customers every day to making their homes more comfortable and energy efficient.

Additional Photos
Recommended by80%of homeowners
Avatar for Climate Design Systems, LLC
Climate Design Systems, LLC
5.0(
5
)

Serving Portsmouth, NH and surrounding areas

In business since 1946

Free estimates

Emergency services offered

Climate Design Systems has been around since 1946! We are an HVAC & Plumbing company that is full licensed to serve Massachusetts, New Hampshire, and southern Maine. We pride ourselves on quality workmanship and outstanding customer service. There is no job too big or too small! \n\nWe offer Residential & Commercial HVAC services such as;\n\n-maintenance\n-repair\n-replacement/retrofit\n-new construction\n\nWe offer Residential & Commercial Plumbing services such as;\n\n-water leak repair\n-drain repair\n-fixture replacement\n-boiler repair & installation\n-water heater repair & installation\n-water treatment\n\n

Burnham MPO Boiler
bosch condensers
bosch furnace
bosch furnace 2
condensers

+20

1 neighbors recently requested a quote
Avatar for DiPietro Heating & Cooling
DiPietro Heating & Cooling
3.7(
46
)

Serving Portsmouth, NH and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"It went well.  They responded quickly, and the repair was done.  The tech was friendly, honest, and professional.  He did his best to bleed the system after repairing it, but unfortunately with it sitting idle, ice had formed in other parts of the piping which would have cost too much to attempt to melt, so he didn't charge us for the bleed attempt.  The cost of the repair was a little high, but not extraordinary, so I am happy with the service I received and would use DiPietro again if the need arrises.
"
High efficiency Trane XL16i system
High efficiency Burnham Boiler
Additional Photos
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+3

Recommended by66%of homeowners
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FAQs for gas piping projects in Portsmouth, NH

Plumbers with proper licensing and credentials install and relocate gas lines. When hiring a professional, verify they have experience with gas systems and all required certifications. Some homeowners choose to work with plumbers specializing in natural gas installations, as they have extensive experience with similar projects and understand the safety requirements.

The timeline for gas line relocation varies based on project complexity, permit processing, and inspection scheduling. The physical labor takes a few hours to one day, depending on the line length. However, the actual installation work represents only part of the overall project timeline. Your contractor should provide a specific timeframe based on your circumstances and local permitting requirements.

Your gas supply must be shut off during the relocation process. This safety measure prevents gas leaks while connections are being modified. Plan for this temporary service interruption by making alternative arrangements for cooking, heating, or other gas-dependent systems in your home. The shut-off generally only lasts for a portion of the work, often a few hours.

Relocating gas lines to connect new appliances is a common reason for this type of project. Whether you're installing a gas stove, fireplace, dryer, or outdoor grill, a professional can determine the best route for extending your existing gas system. The cost will depend on the distance between your current gas line and the new appliance location.

Gas line work is not suitable for DIY projects. Natural gas is highly flammable and potentially lethal if not handled correctly. Gas leaks can be difficult to detect without specialized equipment. Professional plumbers have the proper training, tools, and experience to safely relocate gas lines while ensuring compliance with local building codes and safety standards.

The Portsmouth, NH homeowners’ guide to gas pipings

From average costs to expert advice, get all the answers you need to get your job done.