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Top-Rated Water heater pros in Bath - Updated Nov 2026

Avatar for Preferred Plumbing Maintenance LLC
Preferred Plumbing Maintenance LLC
5.0(
21
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Bath, NH and surrounding areas

Approved

In business since 2023

Small jobs welcome

Customers say: True professional

Preferred Plumbing Maintenance LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today! \n

Response time6 hrs
Response rate97%
Recommended by95%of homeowners
Avatar for Meredith Plumbing & Heating
Meredith Plumbing & Heating
4.1(
14
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bath, NH and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I had my full home repiped as I switched from electric to forced hot water heating. Fred was courteous, communicative, and timely in making the repairs. We ran into quite a few snafus and he took them in stride. His quote was MUCH lower (about half the price) of the original quote we got. Definitely recommend."
Additional Photos
3 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Pasquaney Mech LLC
Pasquaney Mech LLC
4.7(
13
)
Tankless Water Heater - Install

Serving Bath, NH and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"I was impressed with his knowledge and his ability to explain his thoughts to me as we were reviewing what needed to be done to install a replacement propane water heater He scheduled the project right away and came in the time frame designated, finish the work and also did extra functions that had to be done to allow the equipment to get into my basement. He followed up to make sure everything was working well and offered to come back in a day or two if I needed assistance. His billing was easy and professional. We are hoping to have him back again next year to do some HVAC work."
Master Bedroom Unit
Office
Great room
Novak Install
Novak Install

+6

Response time1 day
Response rate85%
Alan Bousquet Plumbing And Heating
4.7(
3
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bath, NH and surrounding areas

In business since 1995

Free estimates

"Woke up to no heat. Called Alan at 7:00 am. He came by with some electric heat at 8:00am to hold us over to when he could come back after he finished another no heat call at other property. He was back at 10:00 am to start on our problem. We had a clogged nozzle. He changed that and the filter on the oil tank and we had heat by 11:00 am. Alan left area very clean and no left behind trash. Total cost $91.00"
Recommended by100%of homeowners
Avatar for New Hampshire Ductless LLC
New Hampshire Ductless LLC
4.3(
6
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bath, NH and surrounding areas

In business since 2021

Free estimates

Emergency services offered

Residential Heating and Cooling Company. Specializing in Mitsubishi Ductless Mini-Splits and all types of Heating and cooling systems, Water Heaters and Generator Installation and service . We also provide Propane, Natural Gas and Oil heating system Service and Maintenance!

Recommended by100%of homeowners
Avatar for New England Home Renovations LLC
New England Home Renovations LLC
4.0(
311
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bath, NH and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"This is the second time I have used NE Renovations.    On a Saturday morning I discovered I had no heat, my heater would not come on.  I contacted the individual I had used in the past and was told they could not come out for a few days.  I sent an e-mail to Richard, the owner and he contacted me almost immediately.  He told me he could come out the same day to see what the problem was.

He showed up on Saturday on time as scheduled.  Unfortunately, the part I needed had to be ordered and he told me he would be over first thing Monday morning.  Sure enough he arrived at 8:00 am and his employee, Jimmy arrived shortly after.  It turned out additional parts had to be ordered.  Richard kept me informed of the progress all along.  After the parts were obtained, the heat was fixed and works great.

I also would like to mention how professional and courteous Richard always is.  And it is great to have someone so reliable to depend on.  I would not hesitate to use NE Renovations again. "
Before
After's
New boiler install
Removal of cast Iron to PVC.
Additional Photos

+37

Recommended by89%of homeowners
Avatar for Vermont Precision Contracting
Vermont Precision Contracting
4.9(
8
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bath, NH and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

Vermont Precision Contracting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+17

Recommended by100%of homeowners
Waterbury Plumbing & Heating, LLC
New to Angi
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Bath, NH and surrounding areas

In business since 2024

Free estimates

Waterbury Plumbing & Heating, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

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Water Heaters FAQs, answered by experts

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

While possible, professional assistance is recommended to ensure compliance with local regulations and avoidance of avoidable risks.

Yes, this would be an appropriate choice. In order to comply with the National Electric Code’s rules, you'll need to install a circuit breaker that's 125% larger than the intended load. In this case, you'll multiply 30 amps by 1.25 to find the necessary breaker size. Plugging that equation in for your 30-amp water heater will leave you with a 37.6-amp breaker. If your current water heater keeps tripping the breaker, it might be time to talk to a plumber or electrician about upgrading your water heater's setup.

Any item that can hold on to moisture and encourage mold growth should be discarded and replaced following water damage. Upholstered items, such as armchairs and couches, and soft items, such as mattresses, usually must be thrown away once they've taken on a lot of water. Soft furniture is difficult to dry out, creating an inviting environment for mold.

You may also need to replace hardwood furniture following water damage if you're unable to fully dry it out. If you have appliances and electronics that have been fully submerged in water, particularly sewage, you'll need to replace those, too.

The chemicals in a water softener can wear down the anode rod in the heater and shorten its life span. However, for most people, the benefits of the softener outweigh this potential drawback.

Have a plumber inspect the anode rod annually for damage, as replacing the anode rod is far less expensive than replacing the entire water heater.

The Bath, NH homeowners’ guide to water heater services

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