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*The Angi rating for Water Heater Service companies in Plainfield, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Heater Service needs.

*The HomeAdvisor rating for Water Heater Service companies in Plainfield, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Heater Service needs.

Last update on January 20, 2026

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Advanced Plumbing
4.8(
25
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+2 more

Serving Plainfield, WI and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quality work

"Ryan replaced and installed a new water heater. He scheduled my project within a couple of days of my request. Ryan was a nice guy and was very knowledgeable and professional. He also replaced a toilet for me."
Response time7 hrs
Response rate88%
Recommended by96%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Plainfield, WI and surrounding areas

In business since 1971

Credit card accepted

"We pay yearly but we have this is included with our rental property. They are pretty good on most things. We had a hot water heater replaced and they did an excellent job on that. They are very quick on their response. They dont come out here. It is all done on the internet.  I just like the idea that one time service charge is so much better than trying to hiring someone to come in. It is more about convenience. It pays for itself."
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+2

Recommended by65%of homeowners
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Water Heaters questions, answered by experts

When the water expands in a hot water heater, it puts pressure on your hot water pipes and can cause leaks or a rupture in the hot water tank under certain conditions. Pipes or water heaters may split due to the pressure where there is a backflow preventer that prevents the hot water heater from diffusing pressure by releasing water back to the public water line.

In these scenarios, a hot water heater expansion tank provides a place for the hot water heater to relieve pressure and prevent bursts and leaks.

When replacing an old unit, you might want to switch from a gas water heater to an electric water heater or vice versa. To do this, you will likely need to add infrastructure to the area. For example, you likely don’t have a gas line that served your old electric water heater. You’d have to call a plumber to put in a new gas line. If you’re replacing a gas unit with an electric one, the plumber will need to safely cap the old gas line. You will then need an electrician to add wiring for the new electric unit.

You don’t have to replace expansion tanks at the same time as your hot water heater. You may be able to go six to 12 years or more before needing to replace your expansion tank. At $150 to $450, hot water heater expansion tanks are usually much more affordable than the cost of hot water tanks themselves, which average about $1,190.

Unless they are connected to the same system, boilers and water heaters will both need their own expansion tanks. The only case they wouldn’t have separate expansion tanks is if the boiler is pulling double duty and managing a heating system while also supplying hot water for a home. In which case, you may not need a hot water heater.

The average water heater holds between 40 and 60 gallons, but the exact amount of water that comes out during draining will depend on your unit’s capacity. The amount of time it takes to drain a water heater averages from 10 to 30 minutes.

The Plainfield, WI homeowners’ guide to water heater services

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

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