How long does it take to replace an electric water heater?

• <div>The amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day. However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.</div>

What are the pros and cons of electric water heaters?

• <div>Every type of water heater has its advantages and disadvantages. Understanding those can help you decide the best type for your situation and budget. Pros<ul><li>Safer than gas or propane</li><li>Doesn’t require extensive venting systems</li><li>Lower upfront costs</li><li>Simpler to operate</li><li>No pilot light</li><li>Easier installation</li><li>More efficient heating than gas models</li><li>Available as point-of-use (POU) and whole-house units</li></ul>Cons<ul><li>Slower to heat water</li><li>Longer recovery time</li><li>Possibly higher operating costs</li><li>Doesn’t work during a power outage</li><li>Costs can increase without a 240-volt connection</li></ul></div>

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Q: How much do different types of water heaters cost?

• <div>It&rsquo;s important to find the type of water heater that fits your needs and budget. Depending on the type of water heater, size, brand, and the type of energy you use to heat the water, costs range from a few hundred dollars to several thousand. Some of the most common types of water heaters include:<ul><li>Electric: $600&ndash;3,500</li><li>Gas: $700&ndash;$2,700</li><li>Propane: $700&ndash;$2,500</li><li>High efficiency: $1,500&ndash;$3,000</li><li>Indirect: $1,200&ndash;$3,500</li><li>Hybrid heat pump: $1,200&ndash;$3,500</li></ul></div>

Q: Can you install an expansion tank anywhere?

• <div>No. Expansion tanks must be installed on the supply side (where heated water flows out) of the boiler. There&rsquo;s also a list of other requirements for most boilers, including being above the pressure relief valves, being on the inner side of any circulator, and more. Your installation manual should have more information on expansion tank installation requirements and what sort of tank the system is made for. </div>

Q: Is it hard to replace an electric water heater?

• <div>Unless you have previous plumbing experience or extensive experience with water heaters, <a href="https://www.angi.com/articles/can-install-water-yourself.htm">you should avoid replacing your electric water heater yourself</a>. This process involves disconnecting wiring and parts from the old water heater and reinstalling them onto the new one, among other difficult tasks. This job is best left to the pros to make sure that everything is connected correctly to avoid serious leaks or malfunctions.</div>

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Verified Reviews for Water Heater Service pros in Denison, IA

*The Angi rating for Water Heater Service companies in Denison, IA 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 Denison, IA 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 November 17, 2025

Reviewed in May 2019
D & E did the fill dirt around our house to help with the water issues in our basement. They did an amazing job and it was very affordable.
D AND E OUTSIDE SERVICES, LLC
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Reviewed in September 2016
Excellent! The problem was solved with the diagnosis from Neighbors.I had been having problems with drains in one of my rental homes. I was in New York when it happened. Water was coming down through the ceiling and into the basement. I asked neighbors to come and help diagnose the problem and...
Neighbors Heating Cooling Plumbing & Geothermal
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Reviewed in June 2014
I had bought this air conditioner from TRS Mechanical nearly 5 years earlier. This is a 2nd home for us and neighbors heard strange sound from it so I called and unit still under warranty. He replaced part and charged a reasonable service charge. This company has also worked with local plumber...
TRS Mechanical
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Reviewed in July 2013
I had gone without water for two weeks, because the plumbers' businesses in my county did not come when they promised, nor would they return calls, nor say why they didn't want the job, nor give any other professional response. But Mike came within hours of my call, from the next county over. ...
Mike's Plumbing and Pump Service
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Reviewed in June 2013
Mike arrived right on time and got started after introductions. He did a thorough job inspecting both buildings for a very reasonable price. He climbed up on the roofs of both inspected gutter chimneys, then around both foundations. Then inside checking both furnaces and AC units. Windows,...
The BrickKicker
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Reviewed in March 2013
The water softener doesn't work as well as the softener that we replaced. Service provided to fix the problem is not acceptable. We are going to replace this softener with a different brand from a different company.
Culligan Water of Atlantic
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Reviewed in March 2013
The water faucet leaked water because the seal did not fit the openings in our sink correctly. They came back and sealed it with calk. I could have easily done that myself. I paid for and expected a professional installation job. What I got was a sloppy quick fix. I have now replace the...
MASKER PLUMBING & HEATING
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Reviewed in February 2012
Kevin and Nate first pre-plumbed our drains and well runs before the concrete floor was poured and as soon as the inside was ready for the rough in they came back and worked with us on the locations of everything and talked us through what they would be doing and when. We felt totally...
City Plumbing
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Reviewed in February 2009
Mark the manager and Dave the Mechanic are wonders. They are two honest men. "Only what you need...at a price guaranteed," isn't just a sales come-on. They live by that motto. Dave said, "I've had some success draining/flushing heater cores before. I can't be sure of the results unless I try....
EXHAUST PROS
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Find Water heater pros in Denison

Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

Customers say: Super punctual

Recommended by 94% of Angi customers

30029 local quotes requested

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"I had a problem connecting, so I got a local handyman who came and solved my problem. I asked Neli to stop charging me, and nothing happened, I then went to the "live chat" option on their website and asked how to stop getting charged, I Never got an answer and they just kept charging me, Then they requested that I rate the CHAT!!! Too much on too many fronts. Dr. Gaber"

Pamela G on November 2025

"I had a problem connecting, so I got a local handyman who came and solved my problem. I asked Neli to stop charging me, and nothing happened, I then went to the "live chat" option on their website and asked how to stop getting charged, I Never got an answer and they just kept charging me, Then they requested that I rate the CHAT!!! Too much on too many fronts. Dr. Gaber"

Pamela G on November 2025

Spc Plumbing

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Spc Plumbing

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Were to help you with any sewer repairs, septic tank installations, and water line repairs you may need.

Comfortec Heating Cooling & Plumbing Inc

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Comfortec Heating Cooling & Plumbing Inc

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Free onsite estimate

At Comfortec we are honored to work for you. When you invite a Comfortec employee into your Northwest Iowa home we will be on time, courteous and professional. Our technicians use carpet mask, protective shoe covers, and drop cloths to prevent your home from having damages caused by our service.

Krell Distributing Co Inc

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Krell Distributing Co Inc

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53 years of experience

Additional DBA - Krell Industries. Family owned & operated. Nationwide service.

Solar Wolf Energy

2.00(

)

Solar Wolf Energy

2.00(

)

10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

FIX-A-LOT Handyman Service

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FIX-A-LOT Handyman Service

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14 years of experience

Flexible hours to fit your needs. Free estimates. Reliable, professional, insured.

H1H2O Sewer & Drain Cleaning

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H1H2O Sewer & Drain Cleaning

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Terry has been providing the great people of Ottumwa, Oskaloosa, Pella, and the surrounding communities unparalleled service for the last 16 years. Terry not only provides service to residential and commercial customers, he is also the one plumbers call to get the job done. H1H2O Sewer & Drain Cleaning Service is has the lowest prices around. Contact Terry for the following: •Drain Cleaning •Sewer Cleaning •Minor Plumbing •Flooded Basements •Bathroom Drain Clearing • Kitchen sinks unclogged •Toilets and Tubs unclogged •Septic Tank Line Cleaning •Residential •Commercial H1H2O Sewer & Drain Cleaning Service is a locally owned and operated business. Call today for prompt and reliable service! Drain Cleaning Sewer Cleaning Minor Plumbing Basements pumped out Bathroom Drain Clearing Bathroom and Kitchen sinks unclogged Toilets and Tubs unclogged Residential Commercial Ottumwa, Iowa, Oskaloosa, Iowa, Pella, Iowa, Fairfield, Iowa.

Eledge Plumbing

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Eledge Plumbing

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Free onsite estimate

Business CategoryPlumbing Contractors, Plumbers - Commercial, Plumbing - Renovation & Repair, Plumbing Drains & Sewer Cleaning, Water Heaters - Repairing, In-floor Heating, Water Heater - Tankless, Water Heaters - Parts & Supplies Products & Services.This company provides residential and light commercial plumbing contractor services including drain line replacements, water heater repairs, reverse osmosis filters and plumbing repairs. They also offer in-floor heating services. - Radon testing and Mitigation

Drees Co

2.50(

)

Drees Co

2.50(

)

Additional DBAs - Control Solutions, Drees Co.

Kenco Construction LLC

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Kenco Construction LLC

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42 years of experience

Ken Co Construction is a women owned construction service with 30 years of experience. We offer quality services that will stand the test of time, including new construction and remodeling work for both residential and commercial structures. We are also experienced working with air conditioning, electrical, plumbing and general contracting projects. At Ken Co, we are not only concerned with budgets and schedules; we also take pride in our superior craftsmanship, commitment to excellence and dedication to customer satisfaction. US Federal Contractor Registration DUNS: 030713116 CAGE: 643P6 Woman Owned Small Business Current in CCR and ORCA 236115 - New Single-Family Housing Construction (except Operative Builders) 236116 - New Multifamily Housing Construction (except Operative Builders) 236117 - New Housing Operative Builders 236118 - Residential Remodelers 238210 - Electrical Contractors and Other Wiring Installation Contractors 238220 - Plumbing, Heating, and Air-Conditioning Contractors

Showing 1-10 of 21

Water Heaters questions, answered by experts

The amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day.

However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.

It’s important to find the type of water heater that fits your needs and budget. Depending on the type of water heater, size, brand, and the type of energy you use to heat the water, costs range from a few hundred dollars to several thousand. Some of the most common types of water heaters include:

Electric: $600–3,500
Gas: $700–$2,700
Propane: $700–$2,500
High efficiency: $1,500–$3,000
Indirect: $1,200–$3,500
Hybrid heat pump: $1,200–$3,500

No. Expansion tanks must be installed on the supply side (where heated water flows out) of the boiler. There’s also a list of other requirements for most boilers, including being above the pressure relief valves, being on the inner side of any circulator, and more. Your installation manual should have more information on expansion tank installation requirements and what sort of tank the system is made for.

Every type of water heater has its advantages and disadvantages. Understanding those can help you decide the best type for your situation and budget.

Pros

Safer than gas or propane
Doesn’t require extensive venting systems
Lower upfront costs
Simpler to operate
No pilot light
Easier installation
More efficient heating than gas models
Available as point-of-use (POU) and whole-house units

Cons

Slower to heat water
Longer recovery time
Possibly higher operating costs
Doesn’t work during a power outage
Costs can increase without a 240-volt connection

Unless you have previous plumbing experience or extensive experience with water heaters, you should avoid replacing your electric water heater yourself. This process involves disconnecting wiring and parts from the old water heater and reinstalling them onto the new one, among other difficult tasks. This job is best left to the pros to make sure that everything is connected correctly to avoid serious leaks or malfunctions.

The Denison, IA homeowners’ guide to water heater services

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

See all articles

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How Much Does Tankless Water Heater Repair Cost? [2025 Data]
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Oct 27, 2025Oct 27, 2025
How Much Does a Solar Water Heater Cost? [2025 Data]
While solar water heater costs are a bit higher than a standard system, this energy-saving option could pay for itself in a few years. Here’s what you need to know.
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May 20, 2025May 20, 2025
How Much Does It Cost to Flush a Water Heater? [2025 Data]
A water heater flush costs $160 on average but can vary based on the unit size, type, labor, location, and more. Keep reading to learn how much you could pay.
Kyle Schurman
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Apr 15, 2025Apr 15, 2025
How Many Amps Does a Water Heater Use?
Learn how many amps you'll need to have for your water heater to operate. Some homeowners will need to upgrade amperage before installing new water heaters to avoid electrical outages and fires.
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May 2, 2025May 2, 2025
How to Flush a Tankless Water Heater on Your Own in Just 8 Steps
Your water heater is a powerhouse until it’s not! Use this guide on how to flush a tankless water heater to keep it running smoothly and providing hot water.
Amy Freeman
•
Apr 9, 2025Apr 9, 2025
What Is a Water Heater Expansion Tank?
What is a water heater expansion tank? It's a feature on some types of water heaters that allow pressure relief. Find out more about how it works.