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Avatar for TriState Home Services

TriState Home Services

82A Wormans Mill Ct
4.64(
195
)
Approved Pro

TriState Home Services

82A Wormans Mill Ct
4.64(
195
)
Approved Pro
Customers say: Super punctual
226 local quotes requested
76 years of experience

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025


Markool Heating & Cooling, LLC

5304 Unit C Kings Court
4.68(
17
)
Approved Pro

Markool Heating & Cooling, LLC

5304 Unit C Kings Court
4.68(
17
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
50 local quotes requested

Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!

"Woke up this morning to my hvac leaking and contacted Markool. I have never used them before and was in a pinch. They fit me right in this morning and were out at my house within 2 hours. The tech stepped in the door and placed covers for his shoes so he did not track in any dirt which was impressive! The tech was very professional and super friendly. Problem was diagnosed and FIXED within an hour. The price was extremely reasonable to the point I was shocked in a good way (expecting a higher price). Anyways, I will most certainly be a returning customer. Thank you Markool Heating Cooling Plumbing."

Chase R on August 2024

Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!

"Woke up this morning to my hvac leaking and contacted Markool. I have never used them before and was in a pinch. They fit me right in this morning and were out at my house within 2 hours. The tech stepped in the door and placed covers for his shoes so he did not track in any dirt which was impressive! The tech was very professional and super friendly. Problem was diagnosed and FIXED within an hour. The price was extremely reasonable to the point I was shocked in a good way (expecting a higher price). Anyways, I will most certainly be a returning customer. Thank you Markool Heating Cooling Plumbing."

Chase R on August 2024


Avatar for Dave the Plumber, LLC

Dave the Plumber, LLC

523 N Locus Street
4.51(
173
)
Approved Pro

Dave the Plumber, LLC

523 N Locus Street
4.51(
173
)
Approved Pro
Customers say: True professional
25 local quotes requested
25 years of experience

Dave the Plumber, LLC, prides itself on a superior record of quality service and design. The level of service and quality you'll get when you choose us for your plumbing needs is unmatched. We are fully staffed with highly talented and motivated individuals that are eager to help you with all of your service needs. You'll find our technician's will put your needs at the top of our list. We are excited that you have expressed an interest in our services and we look forward to working with you. 94% of our service calls are handled the same day. We offer 10% senior and military discounts. Please call us today so that we can discuss your plumbing needs.

"he was great"

Geoffrey S on February 2025

Dave the Plumber, LLC, prides itself on a superior record of quality service and design. The level of service and quality you'll get when you choose us for your plumbing needs is unmatched. We are fully staffed with highly talented and motivated individuals that are eager to help you with all of your service needs. You'll find our technician's will put your needs at the top of our list. We are excited that you have expressed an interest in our services and we look forward to working with you. 94% of our service calls are handled the same day. We offer 10% senior and military discounts. Please call us today so that we can discuss your plumbing needs.

"he was great"

Geoffrey S on February 2025


"Everything went very smoothly. Sam, the plumber, and is highly professional and knowledgeable. He replaced 3 faucets, 2 sink plugs, two valves, and two supply lines. Sam inspected the p traps, and he added adhesive where it was necessary. Sam also took a look at my two year old hot water heater, and he assessed my water supply to this unit. We discussed performing a complete drain, and check of the components of the heater at a later date. Sam also advised me that a toilet in the basement should be replaced with a more updated commode. We rarely use this toilet, but it's 35 years old. I felt comfortable speaking with Sam. I did not sense he was doing a sales pitch."

Dorothy G on April 2025

We promise accurate quotes that don’t change, and offer an on time service guarantee, with exceptional communication. Our company is committed to being as environmentally friendly as possible by utilizing multiple donation and recycling centers.

"Everything went very smoothly. Sam, the plumber, and is highly professional and knowledgeable. He replaced 3 faucets, 2 sink plugs, two valves, and two supply lines. Sam inspected the p traps, and he added adhesive where it was necessary. Sam also took a look at my two year old hot water heater, and he assessed my water supply to this unit. We discussed performing a complete drain, and check of the components of the heater at a later date. Sam also advised me that a toilet in the basement should be replaced with a more updated commode. We rarely use this toilet, but it's 35 years old. I felt comfortable speaking with Sam. I did not sense he was doing a sales pitch."

Dorothy G on April 2025



Avatar for Potomac Mechanical Contractors

Potomac Mechanical Contractors

18925 Premiere Ct
5.00(
20
)

Potomac Mechanical Contractors

18925 Premiere Ct
5.00(
20
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a very professional well trained team of licensed plumbers who love to serve our community. Our guys will do whatever it takes to get the job done safely and on time. *Please check out our Health & Safety Measures to ensure you are comfortable with our services in your home.

"Faucet installation"

Diego D on October 2020

We are a very professional well trained team of licensed plumbers who love to serve our community. Our guys will do whatever it takes to get the job done safely and on time. *Please check out our Health & Safety Measures to ensure you are comfortable with our services in your home.

"Faucet installation"

Diego D on October 2020


American Home Guard Home Warranty - PA

1515 Market St
5.00(
1
)

American Home Guard Home Warranty - PA

1515 Market St
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

American Home Guard is America’s top rated home warranty provider. They service home buyers and sellers across the nation.They offer home warranty service plans for single family homes, multiple units, condos, and even mobile and manufactured homes. They are proud to offer their referral and realtor programs as well as enticing rates to multiple property owners.

American Home Guard is America’s top rated home warranty provider. They service home buyers and sellers across the nation.They offer home warranty service plans for single family homes, multiple units, condos, and even mobile and manufactured homes. They are proud to offer their referral and realtor programs as well as enticing rates to multiple property owners.


GP MECHANICAL SERVICES, LLC

16508 Ruby Cir
No reviews yet

GP MECHANICAL SERVICES, LLC

16508 Ruby Cir
No reviews yet
11 years of experience

Service, repair and installations of heating equipment gas and oil furnaces, gas and oil boilers and heat pumps. air conditioning repair, service and installations. Service and repair of gas hearth appliances. Service and installation of IAQ products. Humidifiers, air cleaners, dehumidifier sand programmable thermostats.

Service, repair and installations of heating equipment gas and oil furnaces, gas and oil boilers and heat pumps. air conditioning repair, service and installations. Service and repair of gas hearth appliances. Service and installation of IAQ products. Humidifiers, air cleaners, dehumidifier sand programmable thermostats.


Morris Mechanical Plumbing Heating & Air

69 S High St
3.00(
2
)

Morris Mechanical Plumbing Heating & Air

69 S High St
3.00(
2
)
22 years of experience

Locally owned. Additional address - PO Box 196 Arendtsville, PA 17303. Additional email - [email protected]. Additional service areas - East Berlin, Fairfield, Franklintown, Gardners, Gettysburg, Idaville, Littlestown, Mc Knightstown, New Oxford, Orrtanna, York Springs & Peach Glen.

Locally owned. Additional address - PO Box 196 Arendtsville, PA 17303. Additional email - [email protected]. Additional service areas - East Berlin, Fairfield, Franklintown, Gardners, Gettysburg, Idaville, Littlestown, Mc Knightstown, New Oxford, Orrtanna, York Springs & Peach Glen.


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Gas Leak Repair questions, answered by experts

It’s no secret that natural gas differs from propane, but you’re in luck—licensed plumbers can also install propane gas lines. When you speak to a gas plumber near you, be sure you specify that your project will be for propane gas, not natural gas. Propane lines are slightly different than natural gas lines, so clear communication is key to ensure that your project is completed without a hitch. 

When hiring a plumber to install or repair gas pipes, consider asking them the following questions: 

  • Do you have insurance and a professional license to do the job? 

  • How long will the project take to complete? 

  • Will I need to hire additional professionals for excavation or landscaping? 

  • Do you have references from previous clients? 

  • Do you belong to any relevant trade associations? 

The size of a pipe isn’t always the outside or inside diameter. Rather, it’s a nominal diameter that depends on the type of pipe. For male pipes, you’ll need to measure the outside diameter. For female pipes, you’ll need to measure the inside diameter. You’ll then need to use a nominal diameter conversion chart to get the actual pipe size you’d buy in the store.

Only yellow Teflon tape is approved for use on gas lines. Also called yellow PTFE tape, it is thicker and specifically rated for use on natural gas and propane connections. Standard white Teflon tape is not safe for gas applications. If you have questions about sealing gas line connections, contact a pro like a gas line contractor or plumber who installs or runs gas lines.

As long as a licensed professional installs your gas lines, you don’t have to do anything extra to prepare for cold weather. If there are pipes that require a wrap, your installer should have done it for you already. If you want to be absolutely sure your gas system is good to go for winter, the best option is to schedule a gas line inspection.

The Libertytown, MD homeowners’ guide to gas leak repairs

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