Residential Services

Gas Line Repair & Installation in Madison & Greater Wisconsin

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Gas lines power essential systems in your home, including your furnace, water heater, stove, and other appliances. When a line is damaged, leaking, or improperly sized, it can affect both performance and safety throughout your entire system.

Southport Plumbing, Heating, and Cooling provides gas line repair and installation in Madison and Greater Wisconsin. We handle everything from new gas line installations to extensions and targeted repairs, with a focus on proper sizing, routing, and pressure control to ensure your system operates reliably.

A technician checking the gas line in a home inspection.

Gas Line Installation and Repair

Gas line work is not just about connecting pipes. It requires understanding how fuel moves through your system and how each appliance draws from it.

We provide gas line work for both new setups and existing systems, with service tied directly to how your home uses gas:

  • Install new gas lines when adding appliances like stoves, water heaters, or furnaces

  • Extend existing lines to support fireplaces, dryers, or outdoor equipment

  • Repair gas leaks when pressure drops or connection issues appear

  • Replace aging or damaged piping that no longer supports reliable operation

  • Upgrade routing and connections to meet current code and improve system performance

What Happens During Gas Line Service

Our first priority is to understand how your system is currently performing and where issues may exist.

Every service begins with evaluating how your gas system is currently performing and how it needs to support your home.

  • Inspect existing gas lines, fittings, and appliance connections

  • Test system pressure to identify leaks or inconsistencies

  • Evaluate pipe sizing and routing based on appliance demand

  • Install or repair piping and secure all connections

  • Perform final pressure testing to confirm the system is sealed and operating correctly

This process ensures the system is not only repaired, but also balanced to deliver consistent gas flow across all connected equipment.

Signs You May Need Gas Line Repair

Gas line problems are not always obvious, but there are clear indicators that something is off.

Gas line issues often show up through system performance changes or environmental signs:

  • Rotten egg odor near appliances or piping

  • Hissing sounds near gas lines

  • Visible corrosion or damage on exposed pipes

  • Dead or discolored vegetation near buried lines

  • Appliances not operating correctly or consistently

What to Do if You Suspect a Gas Leak

If you suspect a gas leak, leave the home immediately and avoid using electrical switches or devices. Contact your gas provider or emergency services, then arrange for professional gas line repair once the situation is safe.

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Why Choose Southport Plumbing, Heating, and Cooling

Our team handles residential gas line systems, focusing on proper installation and long-term performance.

  • Experience working with a wide range of gas appliances and system layouts

  • Code-compliant installation and repair practices

  • Thorough pressure testing and leak detection

  • Clear recommendations based on your system’s needs

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Read About Our Customers’ Recent Experiences

cy gu
3 days ago
Great experience! Blake did an excellent job repairing a leaking water pipe in our basement. He was professional, efficient, and got the repair done quickly. Everything is working properly now and the water supply is back to normal. I really appreciate his help and would definitely recommend him.
Sherry S
3 days ago
Had a concrete tub taken out and a new single tub put in. Some plumbing and new faucet that I can actually turn now.... yay!! A great job done, thanks to Travis H.
Joshua Wilson
3 days ago
It was nice seeing Logan again. He worked on my previous AC and Furnace for me when he was with his previous employer. Done a spectacular job with the hvac tune-up.
Cheryl Sarasin
4 days ago
Highly recommend. Always has the customer’s best interests in mind. Always on time and friendly.
Dave Cummings
4 days ago
Great service!! Tyler was very informative!!
DeSaVi S.
5 days ago
Southport does a great job. Team is always friendly, and they don't try to sell you on what you don't need. Had Jacob out checking the furnace and troubleshooting a leak issue. He was so thorough and went above and beyond toske sure everything was addressed. So polite, friendly and knowledgeable. Love the whole team!
Gail Seianas
6 days ago
Everything is absolutely beautiful! We are so pleased. Everything was explained and pretty much spelled out before they did things. Thank you so much!
Janine Fellows
6 days ago
Vicent did a great job! He explained things clearly, answered questions and was respectful of my environment. Thanks for your great work!
Daniel O'Brien
1 week ago
Seamless process. Our 28 year old A/C unit made it as long as she could. Southport came in gave us options and installed a new unit the following day.
Angel Basabe
1 week ago
Great quality work. Very professional and above all very knowledgeable.
James Young
1 week ago
Southport was referred to me by my realtor and they delivered quickly during an AC breakdown of my old furnace. They performed the work with professionalism and did not leave a mess.
Madelon Wise
2 weeks ago
I tried Southport because I got a coupon in the mail, and the price for a furnace inspection was excellent. Everybody that I spoke to was helpful and prompt. The technician was knowledgable and he explained everything in detail while showing me photos of each aspect of the system. I appreciated the kindness and expertise of the technician, and I will definitely call on Southport again.
Emory Wedel
2 weeks ago
Furnace checkup was thorough and professional. Recommendations for additional work were clear and well supported. Both guys were knowledgeable and cordial.
Caroline Mohr
2 weeks ago
Southport’s staff were professional, friendly, knowledgeable, and very supportive! They arrived on time and completed multiple drain reroutes in our basement on schedule. Someone was always available whenever we had questions. I can’t recommend them highly enough, and I look forward to working with them in the future!
Joe Ramsak
2 weeks ago
4STAR-Great knowledge & outstanding customer interface.
Judy Groth
2 weeks ago
Andrew was prompt thorough he provided explanations I would highly recommend Andrew and Southport The services were part of the service plan. I really appreciate having everything in one place.
Peggy Henning
2 weeks ago
Jake was a Rockstar! He tackled the AC problem and wouldn't give up until it was fixed. Excellent service!
Preston Coleman
2 weeks ago
Southport serviced my furnace a day earlier than scheduled. Phil was courteous and thorough. Southport does a great job, and the price is right. I highly recommend.

Schedule Service For Your Home Or Business Today!

Are you looking for great HVAC and plumbing services? Our Southport team serves you with quality plumbing, heating and cooling services in Madison and the surrounding areas. Contact us today!