Get matched with top water heater pros in Festus, MO

Q: What are the signs that a water heater is failing or needs to be replaced?

• <div><p>Several signs indicate your water heater may be failing or in need of replacement. Key indicators include:</p><ul><li><p><b>Age:</b> A water heater older than ten years is approaching the end of its typical lifespan.</p></li><li><p><b>Water Quality:</b> If you notice rusty or discolored water from your hot water faucets, or a foul odor similar to rotten eggs or sulfur, it can signal internal corrosion.</p></li><li><p><b>Unusual Noises:</b> Banging, rumbling, or popping sounds from the tank often mean sediment has built up, causing the unit to overheat.</p></li><li><p><b>Leaks:</b> Any water pooling around the base of the tank or visible leaks are clear signs of failure.</p></li><li><p><b>Performance Issues:</b> A decline in performance, such as water not getting hot enough, taking longer to heat up, low water pressure, or decreased efficiency, suggests the unit is struggling.</p></li><li><p><b>Visible Damage:</b> Obvious rust and corrosion on the exterior of the tank can indicate a more serious internal problem.</p></li></ul><p>While these signs often point to replacement, some issues may be fixable. It's best to consult a professional plumber to diagnose the problem before investing in a new unit.</p></div>

Q: What is the proper vent pipe for a water heater?

• <div><p>Due to the high temperature, using stainless steel vent pipes for your tankless water heater&rsquo;s exhaust vent is best. Also, it is safe to use a flexible vent duct as the exhaust fan. If installing the exhaust fan yourself, make sure you are using heat-resistant silicon to connect the exhaust vent and the duct on your water heater.</p></div>

Q: Do hot water heaters use a lot of electricity?

• <div><p>Electric water heaters use a high amount of electricity, so they&rsquo;re best for homeowners who subsidize their electric bill with solar or who live in an area with inexpensive electricity. For others, <a href="https://www.angi.com/articles/gas-vs-electric-water-heaters.htm">gas water heaters versus electric water heaters</a> may be the more cost-effective solution, with the added bonus of heating water quickly and efficiently. No matter which you choose, you can lower your water temperature as low as possible to keep costs down.</p></div>

Q: What is the difference between a boiler and a water heater, and can they be used together?

• <div><p>No, boilers and water heaters are not interchangeable because they serve different primary functions. Boilers are used for central heating systems, providing hot water or steam to heat your home. In contrast, a water heater's purpose is to supply hot water for daily household use, such as for faucets and showers. A water heater alone cannot supply the warm water or steam needed for a central heating system.</p><p>While they are not interchangeable, it is common to have both a boiler and a water heater. In fact, a conventional boiler often works best when a water heater system is already in place. The two systems can be combined to provide both heating and hot water, either by pairing a boiler with an indirect water heater or by installing a premade combination boiler-water heater unit. For home heating, some homeowners may also opt for a furnace instead of a boiler.</p></div>

Q: Do electric water heaters need ventilation around them?

• <div><p>Electric water heaters do not need an attached vent, but the <a href="https://www.angi.com/articles/does-location-my-water-heater-matter.htm">location of the water heater</a> should allow for roughly 12 inches of clearance around it. This allows cool air to flow around the appliance and allows repair technicians to work on its components safely. The exact amount of clearance space required depends on your local building codes. </p></div>

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Verified Reviews for Water Heater Service pros in Festus, MO

*The Angi rating for Water Heater Service companies in Festus, MO 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 Festus, MO 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 July 08, 2025

Reviewed in July 2025
I had a water softener and filtration system installed in my home. It's fabulous! Austin was very reliable and friendly. He was extremely efficient. I'm so happy with my system, and with Jones Air and Water.
Jones Air And Water
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Reviewed in June 2025
We recently had our water heater replaced by Express Services Plumbing LLC, and the experience was exceptional from start to finish. Their team was prompt, professional, and incredibly knowledgeable. From the moment they arrived, they made everything easy. They explained our options clearly,...
Express Services Plumbing LLC
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Reviewed in November 2023
Tim gave us an honest evaluation of our existing water heater and options for repair or replacement. We decided to replace the water heater and Tri-State scheduled the next day. Installation was professional and l think Tim is the kind of craftsman you want representing your organization. The...
Tri State Water Power & Air
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Reviewed in July 2023
The installation was done quickly and done well. The customer service was very professional. The only negative of this transaction was the cost of the project. It was the cost they told me it would be but I was just surprised that a replacement water softener system would cost that much. Overall...
Leaf Home Water Solutions
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Reviewed in October 2021
Eric and his team did an amazing job and solved the water problem.
E.S. Leonard Contracting LLC
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Reviewed in February 2021
Remove electric water heater and install a new high efficiency gas water heater.
Liberty Heating & Cooling
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Reviewed in February 2021
They replaced the heater and done a excellent job
About Plumbing Inc.
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Find Water heater pros in Festus

Liberty Heating & Cooling

4.8(

)

Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Festus, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Emergency services offered

Warranties offered

"Remove electric water heater and install a new high efficiency gas water heater."

+10

5 neighbors recently requested a quote

Recommended by93%of homeowners

Request Quote

Brighthouse Plumbing, LLC

4.9(

)

Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+3 more

Serving Festus, MO and surrounding areas

Approved

In business since 2000

Credit card accepted

Offers commercial services

"I hired this company to extend the natural gas in my house and would definitely recommend them. I felt that the plumber who did the installation really knew what he was doing and seemed like a great guy. The installation went well and the price was fair."

Response time10 hrs

Recommended by100%of homeowners

Water Heater - Install or Replace

Serving Festus, MO and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

Response time3 days

Recommended by100%of homeowners

Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Festus, MO and surrounding areas

Approved

In business since 2015

Credit card accepted

"Best company to hire for any plumbing issues..Very professional and very reasonable price and extremely nice. You cannot go wrong with hiring DP Plumbing ......"

7 neighbors recently requested a quote

Water Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Festus, MO and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Loved the service. They were very professional and cleaning was top notch."

+12

Response time6 hrs

Response rate100%

1 neighbors recently requested a quote

Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Festus, MO and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"Mayo plumbing is amazing! We called John for a leak from our main water line in our basement. He rearranged his schedule to fit us in & didn’t leave until the job was done. He was able to fix the leak with a less invasive method than what another plumbing company we had already contacted quoted us. Many thanks to John! If we ever need plumbing work again, he will be our only call!"

Recommended by96%of homeowners

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Vitt Heating & Air Conditioning Co Inc

4.7(

161

)

Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Festus, MO and surrounding areas

In business since 1954

Free estimates

Emergency services offered

"Boiler wasn't lighting on one of the coldest days of the year. The Tech from Vitt showed up that very day and quickly diagnosed a bad Spark Ignition Module. He replaced it and we had heat again. I would hire them again."

Multifamily & Commercial Installation & Maintenance

Response time3 days

Response rate100%

Recommended by91%of homeowners

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Tri-State Water, Power & Air

4.8(

)

Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Festus, MO and surrounding areas

In business since 1993

Free estimates

Small jobs welcome

"I had to shut off the water to my house so I needed fast service. Within about a two hour time frame they arrived, took care of my issue and I was able to turn my water back on!"

Response time7 hrs

Response rate97%

Recommended by97%of homeowners

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Dunn Plumbing Heating and Air Conditioning

4.3(

)

Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Festus, MO and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"They were polite and prompt and I feel i'm breatjhing better already after the duct cleaning would definately recommend them ."

Response time8 hrs

Response rate86%

Recommended by95%of homeowners

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Liberty Heating and Cooling

4.7(

)

Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+2 more

Serving Festus, MO and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Got back to me quickly, fixed the issue with my hot water heater rather than having to buy a new one, very thankful. He checked out my heater and air conditioner while he was there and I will have him back to service my AC. Great guy, very friendly, took the time to explain all he was doing. Highly recommend him."

Response time6 hrs

Recommended by95%of homeowners

Request Quote

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Showing 1-10 of 58

Water Heaters questions, answered by experts

Several signs indicate your water heater may be failing or in need of replacement. Key indicators include:

Age: A water heater older than ten years is approaching the end of its typical lifespan.
Water Quality: If you notice rusty or discolored water from your hot water faucets, or a foul odor similar to rotten eggs or sulfur, it can signal internal corrosion.
Unusual Noises: Banging, rumbling, or popping sounds from the tank often mean sediment has built up, causing the unit to overheat.
Leaks: Any water pooling around the base of the tank or visible leaks are clear signs of failure.
Performance Issues: A decline in performance, such as water not getting hot enough, taking longer to heat up, low water pressure, or decreased efficiency, suggests the unit is struggling.
Visible Damage: Obvious rust and corrosion on the exterior of the tank can indicate a more serious internal problem.

While these signs often point to replacement, some issues may be fixable. It's best to consult a professional plumber to diagnose the problem before investing in a new unit.

Due to the high temperature, using stainless steel vent pipes for your tankless water heater’s exhaust vent is best. Also, it is safe to use a flexible vent duct as the exhaust fan. If installing the exhaust fan yourself, make sure you are using heat-resistant silicon to connect the exhaust vent and the duct on your water heater.

Electric water heaters use a high amount of electricity, so they’re best for homeowners who subsidize their electric bill with solar or who live in an area with inexpensive electricity. For others, gas water heaters versus electric water heaters may be the more cost-effective solution, with the added bonus of heating water quickly and efficiently. No matter which you choose, you can lower your water temperature as low as possible to keep costs down.

No, boilers and water heaters are not interchangeable because they serve different primary functions. Boilers are used for central heating systems, providing hot water or steam to heat your home. In contrast, a water heater's purpose is to supply hot water for daily household use, such as for faucets and showers. A water heater alone cannot supply the warm water or steam needed for a central heating system.

While they are not interchangeable, it is common to have both a boiler and a water heater. In fact, a conventional boiler often works best when a water heater system is already in place. The two systems can be combined to provide both heating and hot water, either by pairing a boiler with an indirect water heater or by installing a premade combination boiler-water heater unit. For home heating, some homeowners may also opt for a furnace instead of a boiler.

Electric water heaters do not need an attached vent, but the location of the water heater should allow for roughly 12 inches of clearance around it. This allows cool air to flow around the appliance and allows repair technicians to work on its components safely. The exact amount of clearance space required depends on your local building codes.

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