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"Bob and Matt replaced our Rianni tankless water heater. They were prompt, professional, friendly and informative. They did a great job and I would recommend them to anyone."

Linda B on July 2025

Heritage Home Service is a premier home service provider operating in New Hampshire, Massachusetts and Maine – bringing all the perks that come with having a large team while maintaining a strong focus on family-oriented service.

"Bob and Matt replaced our Rianni tankless water heater. They were prompt, professional, friendly and informative. They did a great job and I would recommend them to anyone."

Linda B on July 2025


Avatar for Aire Serv of Nashua & Salem

Aire Serv of Nashua & Salem

19 Marshall Street
New on AngiNew on Angi
Approved Pro

Aire Serv of Nashua & Salem

19 Marshall Street
New on AngiNew on Angi
Approved Pro
81 local quotes requested
Free onsite estimate

At Aire Serv, we believe that the secret to satisfaction is to solve your problem quickly, correctly, and affordably. We offer 24/7 emergency services to help you with those urgent matters that can’t wait until the next business day, in addition to friendly financing through Synchrony for those high, unexpected costs. We specialize in all phases of heating and cooling services, installs, repairs, maintenance, and more! It’s easy to tell when something isn’t quite right with your home, but what exactly has gone wrong can be a little trickier to figure out. If you think you may have a problem, it’s better to be safe and call a professional right away. At Aire Serv, we offer world-class HVAC and plumbing solutions that provide you with the solution to your property’s problems. Whether it’s a new installation, a routine repair, preventative maintenance, or anything in between, you can count on us to get the job done right the first time. Check out all the services we offer below and call -or- click to schedule a free estimate today! ***Financing is available**

At Aire Serv, we believe that the secret to satisfaction is to solve your problem quickly, correctly, and affordably. We offer 24/7 emergency services to help you with those urgent matters that can’t wait until the next business day, in addition to friendly financing through Synchrony for those high, unexpected costs. We specialize in all phases of heating and cooling services, installs, repairs, maintenance, and more! It’s easy to tell when something isn’t quite right with your home, but what exactly has gone wrong can be a little trickier to figure out. If you think you may have a problem, it’s better to be safe and call a professional right away. At Aire Serv, we offer world-class HVAC and plumbing solutions that provide you with the solution to your property’s problems. Whether it’s a new installation, a routine repair, preventative maintenance, or anything in between, you can count on us to get the job done right the first time. Check out all the services we offer below and call -or- click to schedule a free estimate today! ***Financing is available**


Avatar for NextGen Aire

NextGen Aire

18 Ayers Village Road
5.00(
8
)
Approved Pro

NextGen Aire

18 Ayers Village Road
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

Founded by Matthew Girouard, NextGen Aire, LLC is an elite HVAC company that dramatically improves our customers comfort by providing top level education, integrity and honest solutions. We integrate the best technology with an industry leading service experience to provide tailored home comfort solutions to our customers. We have a team of experienced and certified technicians who are knowledgeable about the latest technologies and techniques in the industry. We are trained to diagnose and fix problems with HVAC systems quickly and efficiently, using the best tools and equipment available. We have strong customer service policies in place. This includes being punctual, respectful, and transparent with our clients. We offer flexible scheduling and emergency services to meet the needs of our customers. Our comfort team believes in a consultative sales experience that focuses on building a relationship with the customer and understanding your needs and challenges. It involves actively listening to the customer and asking questions to gather information, rather than simply trying to sell a product or service. We focus on helping the customer identify their goals and offer customized solutions that meet their specific needs. This may involve making recommendations, providing demos or product samples, or presenting options for the customer to consider. We also stand behind our work with industry leading guarantees.

"Really appreciate the help we received. We had an emergency and they were able to come out to help us quickly and resolved the issue for a fair price. Would definitely hire again."

Jason G on July 2024

Founded by Matthew Girouard, NextGen Aire, LLC is an elite HVAC company that dramatically improves our customers comfort by providing top level education, integrity and honest solutions. We integrate the best technology with an industry leading service experience to provide tailored home comfort solutions to our customers. We have a team of experienced and certified technicians who are knowledgeable about the latest technologies and techniques in the industry. We are trained to diagnose and fix problems with HVAC systems quickly and efficiently, using the best tools and equipment available. We have strong customer service policies in place. This includes being punctual, respectful, and transparent with our clients. We offer flexible scheduling and emergency services to meet the needs of our customers. Our comfort team believes in a consultative sales experience that focuses on building a relationship with the customer and understanding your needs and challenges. It involves actively listening to the customer and asking questions to gather information, rather than simply trying to sell a product or service. We focus on helping the customer identify their goals and offer customized solutions that meet their specific needs. This may involve making recommendations, providing demos or product samples, or presenting options for the customer to consider. We also stand behind our work with industry leading guarantees.

"Really appreciate the help we received. We had an emergency and they were able to come out to help us quickly and resolved the issue for a fair price. Would definitely hire again."

Jason G on July 2024


Avatar for Granite State Refrigeration Services LLC

Granite State Refrigeration Services LLC

35 Manchester Road
5.00(
10
)
Approved Pro

Granite State Refrigeration Services LLC

35 Manchester Road
5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
36 local quotes requested

We are a small family owned and operated business with a goal to provide exceptional service at an affordable price. We offer a wide range of HVAC services, including installation and service of Ductless Mini Splits, Conventional Heat Pump/ Air Handlers, Furnaces, Rooftop Package Units, and Refrigeration Systems both in the residential and commercial settings. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Fantastic service!"

Kevin B on May 2025

We are a small family owned and operated business with a goal to provide exceptional service at an affordable price. We offer a wide range of HVAC services, including installation and service of Ductless Mini Splits, Conventional Heat Pump/ Air Handlers, Furnaces, Rooftop Package Units, and Refrigeration Systems both in the residential and commercial settings. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Fantastic service!"

Kevin B on May 2025


"I would highly recommend Erik for your plumbing work. Very professional, great guy, treats you like a customer. Very fair price, upfront and honest about all the details and options. Eric was there when he said he would and updated me along the way on progress. I hired Erik about 8 years ago to install an outside faucet/spickit and has always worked great. Glad I saved his number!"

Brian D on September 2025

SUPER SERVICE AWARD 2023, 2022, 2021, 2020, 2019,2018,2017,2016, 2015, 2014 AND 2013 PLUMBING. Hot & Cold Plumbing & Heating LLC is a full service plumbing, heating and gas-fitting company. For an immediate response to all your plumbing and heating needs, CALL (978) 701-1617.

"I would highly recommend Erik for your plumbing work. Very professional, great guy, treats you like a customer. Very fair price, upfront and honest about all the details and options. Eric was there when he said he would and updated me along the way on progress. I hired Erik about 8 years ago to install an outside faucet/spickit and has always worked great. Glad I saved his number!"

Brian D on September 2025


"Professional, friendly. Did the job and showed photos of the resulting flushed out debris from our on-demand water heater."

JOHN B on October 2025

Coy Plumbing and Heating delivers top-quality services with a focus on precision and reliability. From repairs and installations to emergency fixes, we ensure your systems will run smoothly and efficiently. ***WE ALSO SPECIALIZE IN BOILER REPAIRS AND INSTALLATION***

"Professional, friendly. Did the job and showed photos of the resulting flushed out debris from our on-demand water heater."

JOHN B on October 2025


Avatar for Sgt. Smith's Drain Cleaning Services

Sgt. Smith's Drain Cleaning Services

Serving Area
4.91(
11
)
Approved Pro

Sgt. Smith's Drain Cleaning Services

Serving Area
4.91(
11
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
174 local quotes requested

Looking for a reliable drain cleaning company in the Sanford, ME area? You’ve come to the right place! Sgt. Smith’s Drain Cleaning Services is available 24/7 to take care of all your drain cleaning needs, no matter how severe. We work with top-of-the-line plumbing camera inspection equipment to detect and eliminate clogs quickly and efficiently. Whether you need professional drain cleaning services for your residential home or commercial property, when you team up with our plumbers, you can rest assured that your system is in excellent hands. In addition to our quality workmanship and industry-leading equipment, we also offer a level of dedication and attention to detail you won’t find from any other local plumbing company. Our owner and founder, Sgt. Micah Smith, previously served in the U.S. Marine Corps for over 8 years, and so approaches every job as an opportunity to serve a fellow community member with pride. Give us a call today at (207) 432-9378 and let us restore your drainage system to pristine condition! Our 24-hour plumbers are standing by and ready to meet your needs.

"Replaced as expected. Nice work! Very professional."

CHRISTOPHER M on March 2024

Looking for a reliable drain cleaning company in the Sanford, ME area? You’ve come to the right place! Sgt. Smith’s Drain Cleaning Services is available 24/7 to take care of all your drain cleaning needs, no matter how severe. We work with top-of-the-line plumbing camera inspection equipment to detect and eliminate clogs quickly and efficiently. Whether you need professional drain cleaning services for your residential home or commercial property, when you team up with our plumbers, you can rest assured that your system is in excellent hands. In addition to our quality workmanship and industry-leading equipment, we also offer a level of dedication and attention to detail you won’t find from any other local plumbing company. Our owner and founder, Sgt. Micah Smith, previously served in the U.S. Marine Corps for over 8 years, and so approaches every job as an opportunity to serve a fellow community member with pride. Give us a call today at (207) 432-9378 and let us restore your drainage system to pristine condition! Our 24-hour plumbers are standing by and ready to meet your needs.

"Replaced as expected. Nice work! Very professional."

CHRISTOPHER M on March 2024


Avatar for Palmer Gas & Oil

Palmer Gas & Oil

13 Hall Farm Rd
4.78(
76
)
Approved Pro

Palmer Gas & Oil

13 Hall Farm Rd
4.78(
76
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
35 local quotes requested

Family-owned and operated propane and fuel oil delivery and service company with a 90-year history serving New Hampshire, Northern MA and Southern ME. Our friendly, simple and safe fuel delivery and service programs keep our customers warm in the winter and cool in the summer. Automatic delivery, easy billing, and maintenance plans make it easy to keep your tank full and your equipment in tip-top shape. A one-stop shop, in addition to fuel we also offer equipment sales and service, installation, and electrician services. Best of all, we show up to work every day with a SMILE on our face! Giving to the community is also very important to us. We support local Fire and Police Departments, libraries, youth leagues and fraternal organizations from various towns. We are continually working to be a “cut above the rest.” We hope this makes a difference to you and your community.

"Switched services from Amerigas to PalmerGas. Rick and Nate completed the service transfer and made the process seamless. They were very pleasant to engage with and were very knowledgeable in their field of work. They also took extra care to make sure all my appliances were safe after the hookup and that I knew how to confidently recognize and address any potential problems that could arise with having propane as a fuel source. Very satisfied"

Don W on June 2025

Family-owned and operated propane and fuel oil delivery and service company with a 90-year history serving New Hampshire, Northern MA and Southern ME. Our friendly, simple and safe fuel delivery and service programs keep our customers warm in the winter and cool in the summer. Automatic delivery, easy billing, and maintenance plans make it easy to keep your tank full and your equipment in tip-top shape. A one-stop shop, in addition to fuel we also offer equipment sales and service, installation, and electrician services. Best of all, we show up to work every day with a SMILE on our face! Giving to the community is also very important to us. We support local Fire and Police Departments, libraries, youth leagues and fraternal organizations from various towns. We are continually working to be a “cut above the rest.” We hope this makes a difference to you and your community.

"Switched services from Amerigas to PalmerGas. Rick and Nate completed the service transfer and made the process seamless. They were very pleasant to engage with and were very knowledgeable in their field of work. They also took extra care to make sure all my appliances were safe after the hookup and that I knew how to confidently recognize and address any potential problems that could arise with having propane as a fuel source. Very satisfied"

Don W on June 2025


Avatar for Next Level Heating and Cooling LLC

Next Level Heating and Cooling LLC

8 Applevale Drive
5.00(
1
)
Approved Pro

Next Level Heating and Cooling LLC

8 Applevale Drive
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

With over 9 years experience in the HVAC industry, Next Level Heating and Cooling LLC is your industry expert in the Dover, NH area. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. We have so many options to fit any budget. Give us a call today and we look forward to working with you!

"Very good service, communication and pricing. Definitely I would recommend and hire again."

Janet C on June 2022

With over 9 years experience in the HVAC industry, Next Level Heating and Cooling LLC is your industry expert in the Dover, NH area. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. We have so many options to fit any budget. Give us a call today and we look forward to working with you!

"Very good service, communication and pricing. Definitely I would recommend and hire again."

Janet C on June 2022

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Plumbing Heating Companies questions, answered by experts

No, you can’t convert a gravity-flush toilet to a pressure-assist toilet. Pressure-assist toilets include a tank-within-the-tank, and a standard gravity-flush toilet doesn’t have a capability to include the additional tank. If you want the benefits of a pressure-assist toilet, you’ll have to make the investment in a new one. 

Pedestal sinks are bolted or screwed into the floor and the wall to prevent it from moving out of place. You may have to change or add to the bathroom flooring when installing a pedestal sink if the flooring was laid around the previous sink, not under it.

Plumbing standards dictate that the cold water line is located on the right side of the sink. The hot water line should be located on the left side. If your piping was installed incorrectly, a plumber may be able to correct the issue for you to avoid future confusion when having plumbing work done.

The lifespan of bathroom pipes is between 20 and 100 years. This is a wide range, so to narrow it down, it helps to know which type of material your pipes are made from. Copper and cast iron have the longest lifespan—between 50 and 100 years—while other materials, such as galvanized steel and brass, last for 50 years or less.

Applying drain cleaner is a common DIY solution to clogged drains, but it can be extremely harmful to your pipes and lead to corrosion and leaks. It is almost always better to try snaking a clog than using a drain cleaner, but the best solution is to hire a professional plumber. They can locate the clog and gauge the severity using a camera system and then decide if using a plumber’s snake, auger, or drain cleaner is the best option to remove the clog and limit damage to your plumbing system.

The Stratham, NH homeowners’ guide to plumbing and heating services

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