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Verified Reviews for Gas Leak Repair pros in Grantham, NH
*The Angi rating for Gas Leak Repair companies in Grantham, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Leak Repair needs.
*The HomeAdvisor rating for Gas Leak Repair companies in Grantham, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Leak Repair needs.
Last update on December 13, 2025
Find Gas leak repair technicians in Grantham
Bell Heating Service, LLC
Bell Heating Service, LLC
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

GM Mechanical LLC
GM Mechanical LLC
At GM Mechanical LLC, our top priority is customer satisfaction. We perform top quality work at an affordable rate. We are a family owned and operated buisiness who provide clean and neat work, and treat every home with care and respect. We look forward to working with you!
"They were fantastic, would use them again."
Maddy W on November 2025
At GM Mechanical LLC, our top priority is customer satisfaction. We perform top quality work at an affordable rate. We are a family owned and operated buisiness who provide clean and neat work, and treat every home with care and respect. We look forward to working with you!
"They were fantastic, would use them again."
Maddy W on November 2025

Action Plumbing Heating And Air
Action Plumbing Heating And Air
Action Plumbing, Heating, and Air provides prompt and reliable services to homeowners and businesses. We are fully licensed, bonded, and insured and able to repair or replace any plumbing or heating fixture inside or outside of your home or business. We stand behind our products and services by installing only quality materials and hiring only state licensed plumbers. At Action, we pride ourselves on practicing the highest standards in the business to ensure our customers are provided the best service possible. Take Action against your plumbing or heating problems and call Action! (833) 732-2288
"Zach from action was great, he was very professional, friendly and efficient, and did great work. I would 100% use action again based on my experience with Zach and the quality of work."
Wyatt M on August 2025
Action Plumbing, Heating, and Air provides prompt and reliable services to homeowners and businesses. We are fully licensed, bonded, and insured and able to repair or replace any plumbing or heating fixture inside or outside of your home or business. We stand behind our products and services by installing only quality materials and hiring only state licensed plumbers. At Action, we pride ourselves on practicing the highest standards in the business to ensure our customers are provided the best service possible. Take Action against your plumbing or heating problems and call Action! (833) 732-2288
"Zach from action was great, he was very professional, friendly and efficient, and did great work. I would 100% use action again based on my experience with Zach and the quality of work."
Wyatt M on August 2025
Aqua Tech plumbing and heating
Aqua Tech plumbing and heating
Aqua Tech Plumbing and Heating we offer plumbing and heating services new construction-remodels and repairs
Aqua Tech Plumbing and Heating we offer plumbing and heating services new construction-remodels and repairs
Propane Services of New England
Propane Services of New England
We are a gas service company, mainly focused on propane services such as tank, piping and ductwork installs. We also do residential service work on boilers, furnaces, gas water heaters and much more.
We are a gas service company, mainly focused on propane services such as tank, piping and ductwork installs. We also do residential service work on boilers, furnaces, gas water heaters and much more.

Triumph Heating and Cooling LLC
Triumph Heating and Cooling LLC
Triumph Heating and Cooling LLC is your local trusted service and installation team for anything Heating and Cooling related. We install, Service and Maintain gas/oil heating equipment, air conditioning, water heaters, space heaters, ductless mini splits, and more! Our licensed technicians provide top of the line service to our valued customers, ensuring the job is done right the first time. Call today to schedule your service or install!
"He started great, but went down hill. 5 months to install a new heating system after being told it was 5-6 weeks.I was told he had no idea when he could finish because he started a 92 unit condominium project. On another project they installed an HVAC system with no control board. Lied to continuously about dates. We paid in advance for the work and found out afterward that he fired half the staff (I now know why.) Rather than be upfront about the issues he was facing we told lies. Very frustrating and found Devin to talk like an excon. Say one thing and do another with a very straight face."
John R on July 2023
Triumph Heating and Cooling LLC is your local trusted service and installation team for anything Heating and Cooling related. We install, Service and Maintain gas/oil heating equipment, air conditioning, water heaters, space heaters, ductless mini splits, and more! Our licensed technicians provide top of the line service to our valued customers, ensuring the job is done right the first time. Call today to schedule your service or install!
"He started great, but went down hill. 5 months to install a new heating system after being told it was 5-6 weeks.I was told he had no idea when he could finish because he started a 92 unit condominium project. On another project they installed an HVAC system with no control board. Lied to continuously about dates. We paid in advance for the work and found out afterward that he fired half the staff (I now know why.) Rather than be upfront about the issues he was facing we told lies. Very frustrating and found Devin to talk like an excon. Say one thing and do another with a very straight face."
John R on July 2023

Merrill Mechanical, Inc.
Merrill Mechanical, Inc.
Merrill Mechanical, Inc. is mechanical company specializing in plumbing, heating and HVAC installation. We primarily perform new-construction and renovation services in the small-medium commercial space as well as larger, high end, homes. Our talented team works hard everyday to provide the best services for our clients. We customize our offerings based on specific needs, so get in touch today to receive an initial quote. Our rates are $85/hour with a minimum of 2 hours, plus one-way travel time.
"$21000 new installation new HE Combi Gas boiler Oct 2023. Has never provided reliable heat ir water, no heat upstairs, no hot water for months. Major gas leak. Major water leak. 15-20 service calls. Maybe more. Although they advertise service calls they told us tonight when we have no heat at all 10?out, Answering service after consulting with the manager told us no night time service calls. "
Linda M on December 2025
Merrill Mechanical, Inc. is mechanical company specializing in plumbing, heating and HVAC installation. We primarily perform new-construction and renovation services in the small-medium commercial space as well as larger, high end, homes. Our talented team works hard everyday to provide the best services for our clients. We customize our offerings based on specific needs, so get in touch today to receive an initial quote. Our rates are $85/hour with a minimum of 2 hours, plus one-way travel time.
"$21000 new installation new HE Combi Gas boiler Oct 2023. Has never provided reliable heat ir water, no heat upstairs, no hot water for months. Major gas leak. Major water leak. 15-20 service calls. Maybe more. Although they advertise service calls they told us tonight when we have no heat at all 10?out, Answering service after consulting with the manager told us no night time service calls. "
Linda M on December 2025
emerald Construction
emerald Construction
builder of custom projects for over 30 years
builder of custom projects for over 30 years
Greene's Oil and Propane Inc
Greene's Oil and Propane Inc
Additional address - PO Box185, White River Junction, VT 05001. Additional phone number - (802) 296-4089.
Additional address - PO Box185, White River Junction, VT 05001. Additional phone number - (802) 296-4089.
The Grantham, NH homeowners’ guide to gas leak repairs
From average costs to expert advice, get all the answers you need to get your job done.

Find costs to repair a gas line and plan your budget based on the problem, from excavating for a new line to making a minor repair to an existing one.

Whether it's time for pipe replacement or to hook up the range of your dreams, gas line installation cost is an important line in your budget. Let's take a look.

Installing a gas line is a job for a licensed plumbing professional. Let’s take a look at who installs gas lines and how much you can expect to pay.

A rotten egg smell in your house can come from several sources, including gas lines, drainpipes, and drywall. Keep reading to learn the causes and solutions.

Figuring out which pipes are for gas lines can seem overwhelming at first, but here are the six best options for your home.
Is a homeowner liable if a contractor hits a gas line while digging? Not if you or your contractor have the gas line marked before digging.
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