Greater Boston 617-999-3249 South Shore 781-488-5222

Trust Your Gas Lines to Certified Experts

Home - Plumbing - Gas Fitting

Gas lines power essential appliances; from cooktops and ovens to furnaces and water heaters. Improper installation or old, corroded fittings can cause dangerous leaks and carbon monoxide exposure.

Minuteman Plumbing, Heating & Cooling provides emergency repairs and all work comes with a lifetime workmanship guarantee from professional technicians who are licensed to install and repair gas lines safely.
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With decades of combined experience in plumbing, heating and cooling serving the Greater Boston and South Shore areas, we deliver compliant, long‑lasting gas solutions for homes and businesses.

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Why Professional Gas Fitting Matters

Licensed gas fitting protects your home and ensures safe, efficient operation.

Safety First

Proper installation by qualified professionals prevents gas leaks and carbon monoxide exposure. DIY gas work is hazardous and often illegal

Compliance with Codes

Gas line installation is heavily regulated; local codes require permits and licensed installers. Professionals understand pipe sizing, materials and shut‑off valve placement to meet inspection requirements.

Proper Materials & Techniques

Gas lines use specific materials like black steel, flexible CSST, or PE pipe, each suited for different applications. Pipes must be supported, sealed with approved compounds and kept clear of electrical wiring.

Leak Testing & Inspection

Professionals conduct pressure tests and leak detection using soapy water or electronic detectors. Annual inspections catch corrosion or damage before leaks occur.

Carbon Monoxide Detectors

Installing detectors provides early warning signs of dangerous gas buildup. Professionals ensure proper venting and shut‑off valves for each appliance.

Our Process

Our Installation Process

From planning to inspection, we follow strict procedures to ensure your gas system is safe and reliable:

Consultation & Assessment: We evaluate your appliance needs, review local codes and obtain required permits.
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Route Planning & Sizing: We design the gas line route from the main supply to each appliance, choosing appropriate pipe size for demand.
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Material Selection & Prep: We select black steel, CSST or PE pipe depending on indoor or outdoor use, and shut off the gas supply before starting.
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Installation: We lay and secure pipes with proper supports, maintain clearances, use approved sealants and install shut‑off valves for each appliance.
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Pressure Testing & Leak Check: We pressurise the system with air or inert gas at 1.5 times operating pressure and check for leaks.

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Still have questions?

Frequently Asked Questions

Do I need a permit for gas line installation?: Yes. Gas line installation is heavily regulated; most municipalities require permits and licensed professionals to perform the work.
How do I know if I have a gas leak?: You may smell a rotten-egg odor or hear hissing. Leave the area immediately, avoid using electrical devices, and call your gas provider.
Can I install gas lines myself?: No. Working with natural gas requires specialised knowledge and tools. DIY gas work is dangerous and often illegal.
What materials are used for gas piping?: Depending on the application, gas lines can be black steel, corrugated stainless steel tubing (CSST), polyethylene for underground use, or copper in some regions. Each material must be rated for gas and installed with proper fittings.
How often should gas lines be inspected?: We recommend annual inspections to check for wear, corrosion or damage that could lead to leaks

Why choose Us

The Minuteman Difference

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With decades of combined experience in plumbing, heating and cooling, our veteran-led team brings trusted expertise to every project.

From plumbing repairs and water heater service to heating installations and cooling system maintenance, we provide prompt, professional care that homeowners and small businesses across Greater Boston and the South Shore can count on.

We’re dedicated to keeping your property comfortable year-round with reliable hot water, efficient heating, and dependable cooling solutions; all backed by honest pricing and exceptional workmanship.

Why Choose Minuteman?

Expert Assessment
Efficient Execution
Transparent Pricing
Lifetime Workmanship Guarantee
Customer-First Approach
Local Expertise

Make Your Home Comfort
Upgrades More Affordable

Flexible financing options and available Mass Save® rebates can help make your next plumbing, heating, or cooling project easier on your budget. Whether you’re replacing a failing water heater, upgrading your heating system, or investing in a more energy-efficient solution, Minuteman can help you move forward without the burden of a large upfront cost.

Our team will help you understand the available financing and rebate opportunities and find an option that fits your home, your needs, and your budget.

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Our client testimonials

What Our Customers Say

Jenna W.

2 months ago

Kind, thorough technicians! Thanks Dylan and Harry!

Ayushi A.

2 months ago

I’ve been having issues with the vent smell in my new apartment for a long time. Had setup an appointment with Minutemen Plumbing for the same. Steve and Robby both were extremely professional and helpful and assured me they’d try to resolve the issue as best as possible. They even went above and beyond to explain exactly what’s wrong and made sure I knew how to go from there.

Rebecca H.

2 months ago

Thrilled to have found minuteman and will definitely be using them for future plumbing and heating services. Very easy to schedule appointments, great communication before during and after the service. Harry was very thorough, honest, and left the place in better condition than when he arrived! I had my water heater and boiler serviced - my boiler needed a part replaced which Harry was able to do on the spot. Thank you!

Catherine C.

2 months ago

Thank you so much for a very good job done. Your work was not only done well but also in a very efficient way leaving the room clean. Thank you very much.

Arastoo T.

2 months ago

Robby was very friendly, honest, and clear when he came to do HVAC maintenance for us. Everyone I dealt with at minuteman was respectful and helpful. The price was reasonable, they were communicative, and punctual. I’d use them again for sure!

Caroline G.

2 months ago

Harry M. Was great! He came in , solved our issue quickly.

Judy H.

2 months ago

great work Amanda

Barnabas K.

2 months ago

Robbie and Steve were awesome!

Lance L.

2 months ago

Minuteman HVAC is professional and effective. Robby the technician came and checked out the minisplit not blowing cold air, offered his advice and refilled the refrigerant. Very thorough and professional, would recommend!

B H.

3 months ago

Minutemen plumbing were great. Was able to get them booked for appt quickly. Mike and Dylan came to repair a toilet, and washer/dryer water hook-up that was corroded. Everything was explained, fixed and cleaned up. They made sure I had what I needed (hoses) etc for when new washer was going to be delivered. Very happy with my experience.

3 months ago

I woke up to every homeowner’s nightmare—a busted water heater and water all over my basement floor. I called Minuteman Plumbing, Heating & Cooling, and from the very first phone call I knew I was in good hands. The person who answered was kind, compassionate, and genuinely understood how stressful the situation was. They got me scheduled immediately. Joe and Mario arrived promptly, were professional, knowledgeable, and worked efficiently to replace my water heater. Within just a few hours, everything was installed, cleaned up, and I had hot water again. The entire experience, from the office staff to the technicians, was outstanding. If you’re looking for a company that responds quickly, treats you with respect, and delivers excellent workmanship, I highly recommend Minuteman Plumbing, Heating & Cooling. Five-star service from start to finish!

Emily E.

4 months ago

This company is extremely professional and did fantastic work! After calling many HVAC companies and struggling to get someone to come out we finally landed on this company!! Jake the Project Manager came right out and gave us the quote same day. He was very attentive and answered all of our questions making sure we understood everything! Jake came out on a Friday afternoon and the install was completed by Tuesday. Ryan and his crew did a great job installing our new central ac system. The crew was very respectful, clean and did quality work. I will recommend them to anyone in need!

Cathy S.

5 months ago

We had a wonderful experience with Minuteman Plumbing, Heating & Cooling. Our old toilet was 40+ years old, and when it started to leak, we called Minuteman. They walked me through how to shut off the water while on the phone, so it wouldn’t leak anymore. Then they gave me several different options for replacement, and recommended I visit a local showroom so I could be sure which make, model, and height I liked best. Once I picked out the Kohler toilet, the plumber arrived promptly and brought it with him. He installed it in about an hour, and he left the bathroom cleaner that it was when he arrived! The toilet works great, and I highly recommend Minuteman to anyone on the South Shore who is looking for a trustworthy, reliable, courteous, and friendly plumber!

JoAnn T.

7 months ago

Minutemen We are extremely pleased with the customer service and with the plumbing/ heating technical knowledge and repair and new installation skills of the Minuteman Team. They all interacted with us in a professional, yet friendly, manner after we called them, for the first time, during our recent gas boiler emergency in the midst of frigid weather. In particular, we appreciated the abilities and concern for our safety of Kam, the very knowledgeable and determined licensed technician who managed to restart our old boiler after another company’s efforts failed, during a blizzard! Then, within a few days, an installation team, comprised of Kam, the licensed technician, Aaron, a Master Plumber and Alex, a Certified Installer, replaced our old boiler with a new, high efficiency boiler. As the configuration and design options were complex, we relied on Aaron for clear, comprehensive information and consultation to us and Alex and Aaron and Kam for the mechanics of the installation. Aaron followed up the next day to be sure all was well. We have decided to reach out to Minuteman Plumbing and Heating for all of our future plumbing and heating needs.

Request an Estimate!

Looking for expert plumbing, heating, or cooling services? Call us today or book an appointment online for a no-obligation estimate.
Discover why we’re the trusted choice for reliable plumbing, heating, and cooling solutions!