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*The Angi rating for Gas Leak Repair companies in Jefferson, 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 Jefferson, 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 October 29, 2025
Find Gas leak repair technicians in Jefferson
Intervale Stove Shop
Intervale Stove Shop
Gas - Wood - Pellet, Stoves - Fireplaces, Complete HVAC Service and Installation.
Gas - Wood - Pellet, Stoves - Fireplaces, Complete HVAC Service and Installation.
Lost Lake Mechanical Contractors, LLC
Lost Lake Mechanical Contractors, LLC
Consumer-friendly rates. Free estimates. All major credit cards accepted.
Consumer-friendly rates. Free estimates. All major credit cards accepted.
Eastern Shores Appliances
Eastern Shores Appliances
Appliance repair and installation
Appliance repair and installation
IEC Plumbing & Heating LLC
IEC Plumbing & Heating LLC
Local plumbing company with over 20 years experience in the plumbing and heating field. Gas licensed professional work completed
Local plumbing company with over 20 years experience in the plumbing and heating field. Gas licensed professional work completed
First Response Plumbing And Drain
First Response Plumbing And Drain
Plumbing and Drain We offer after hours service for emergencies 7 days a week
Plumbing and Drain We offer after hours service for emergencies 7 days a week
JJ Calnan and sons Contractors
JJ Calnan and sons Contractors
JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]
JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]
Duke Of Saab
Duke Of Saab
The Duke of Saab is "a mom and pop shop", with husband and wife as the only employees. Mrs. is on the phone, Mr. is the technician. All work is by appointment. Full payment is expected at completion of work. We accept Visa, MC, Discover--NO AMERICAN EXPRESS. Our hours are Mon-Fri. 8:00 to 6:00 Saturdays by appointment only-beginning in 2015.
The Duke of Saab is "a mom and pop shop", with husband and wife as the only employees. Mrs. is on the phone, Mr. is the technician. All work is by appointment. Full payment is expected at completion of work. We accept Visa, MC, Discover--NO AMERICAN EXPRESS. Our hours are Mon-Fri. 8:00 to 6:00 Saturdays by appointment only-beginning in 2015.
JLC Carworks
JLC Carworks
Under construction
Under construction

S&E Cataldi Heating & Air Conditioning LLC
S&E Cataldi Heating & Air Conditioning LLC
At S&E Cataldi Heating & Air Conditioning we work hard for your comfort. Over a decades of study and experience have taught us that the right heating or cooling system can improve health of a house and the poeple who live in it. We're serious about comfort, because proper moisture balance means that you will breathe easier and the wood in and out of your home--including your antiques--will be well protected. Chronic moisture balance problems affect "leaky" buildings, making them difficult to dehumidify in summer and heat in the winter. The first line of defense of course, is proper insulation. Clover HVAC technicians are certified insulation and air seal specialists who can do a thorough analysis of the penetration points in your house and stop air leaks cold. Buildings are like the people in them. Both need the right balance of moisture in the air. People have their own natural cooling system--the ability to sweat. Houses need help. S&E Cataldi can set a heating and cooling system's balance to properly regulate interior air. The result? A structure that isn't so dry the wood is cracking or so moist there is rot, and inhabitants who won't develop skin problems from excessive dryness or allergic reactions to mold and mildew.
At S&E Cataldi Heating & Air Conditioning we work hard for your comfort. Over a decades of study and experience have taught us that the right heating or cooling system can improve health of a house and the poeple who live in it. We're serious about comfort, because proper moisture balance means that you will breathe easier and the wood in and out of your home--including your antiques--will be well protected. Chronic moisture balance problems affect "leaky" buildings, making them difficult to dehumidify in summer and heat in the winter. The first line of defense of course, is proper insulation. Clover HVAC technicians are certified insulation and air seal specialists who can do a thorough analysis of the penetration points in your house and stop air leaks cold. Buildings are like the people in them. Both need the right balance of moisture in the air. People have their own natural cooling system--the ability to sweat. Houses need help. S&E Cataldi can set a heating and cooling system's balance to properly regulate interior air. The result? A structure that isn't so dry the wood is cracking or so moist there is rot, and inhabitants who won't develop skin problems from excessive dryness or allergic reactions to mold and mildew.
The Jefferson, 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.

Trying to decide which home gas pipe size fits? We look into home gas pipes, standard sizes, how to measure, and factors that will influence your choice.

Curious how deep gas lines are buried? We’ve unearthed the answer and the dirt on how far down those lines might be lying in wait.

Figuring out which pipes are for gas lines can seem overwhelming at first, but here are the six best options for your home.

Dangerous household gases can make you sick—and, in some cases, can be deadly. These are the five most common toxic household gases to be aware of.
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