What happens if a water heater is not vented properly?

• <div><p>If your system is not vented properly, you could experience what’s called backdrafting. Backdrafting is when your ventilation system isn’t working as it should, and instead of releasing gases outside, they get trapped inside your home. </p><p>Gas and propane water heaters create a few types of combustion gases, but the most dangerous is carbon monoxide. If there’s too much build-up of these gases inside your home, it can lead to carbon monoxide poisoning.</p></div>

Why is there no hot water in my shower?

• <div><p>There are many issues that can cause cold showers, but the most likely is a problem with your water heater, especially if other fixtures also don’t get hot water. If it’s just your <a href="https://www.angi.com/articles/shower-water-cold-but-sink-hot.htm">shower not getting hot water</a>, you likely have a broken or damaged shower cartridge. You can replace this yourself or hire a plumber to do the work for you if you’re not comfortable working with plumbing.</p></div>

What are the pros and cons of electric water heaters?

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

Get matched with top water heater pros in Greentop, MO

Q: Do water heater installers need to be licensed?

• <div><p>In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our <a href="https://www.angi.com/angi-license-check.htm">state licensing tool</a> to find out if a contractor you&rsquo;re considering in your area holds a plumber&rsquo;s license.</p></div>

Q: Do you have to replace expansion tanks at the same time as your hot water heater?

• <div><p>You don&rsquo;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 <b>$150 to $450</b>, hot water heater expansion tanks are usually much more affordable than the <a href="https://www.angi.com/articles/how-much-does-water-heater-installation-cost.htm">cost of hot water tanks</a> themselves, which average about $1,190.</p></div>

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Verified Reviews for Water Heater Service pros in Greentop, MO

*The Angi rating for Water Heater Service companies in Greentop, 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 Greentop, 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 December 07, 2025

Find Water heater pros in Greentop

America's Best Construction

4.50(

)

•Approved Pro

America's Best Construction

4.50(

)

•Approved Pro

Recommended by 100% of Angi customers

35 local quotes requested

In Business Since 2024 We pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service - Call today!

"Very thorough in making sure work is done correctly and up to code. Very conscious of staying in budget and avoiding waste. Good communication to address questions, suggestions and concerns. Willing to go the extra mile in helping us design and build our dream home."

Steve D on November 2024

"Very thorough in making sure work is done correctly and up to code. Very conscious of staying in budget and avoiding waste. Good communication to address questions, suggestions and concerns. Willing to go the extra mile in helping us design and build our dream home."

Steve D on November 2024

Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

Customers say: Super punctual

27715 local quotes requested

9 years of experience

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

"Super helpful"

Michele H on November 2025

"Super helpful"

Michele H on November 2025

Construction, remodeling, repairs as many people as needed, cash, check, money order and can accept cards for fee

Krell Distributing Co Inc

No reviews yet

Krell Distributing Co Inc

No reviews yet

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!

Call The All In One Construction Co

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Call The All In One Construction Co

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40 years of experience

I have 35 years experience in construction I have performed all phases of construction im a 4th generation contractor I have 4 employees

Advanced Plumbing & Septic Service

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Advanced Plumbing & Septic Service

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27 years of experience

Foundation to Roof

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Foundation to Roof

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26 years of experience

New or repair everything from foundation to roof, to pouring sidewalks and driveways, to painting, plumbing, home additions, garages, everything you can imagine.. We do it all

Showing 1-10 of 27

Water Heaters questions, answered by experts

In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

If your system is not vented properly, you could experience what’s called backdrafting. Backdrafting is when your ventilation system isn’t working as it should, and instead of releasing gases outside, they get trapped inside your home.

Gas and propane water heaters create a few types of combustion gases, but the most dangerous is carbon monoxide. If there’s too much build-up of these gases inside your home, it can lead to carbon monoxide poisoning.

There are many issues that can cause cold showers, but the most likely is a problem with your water heater, especially if other fixtures also don’t get hot water. If it’s just your shower not getting hot water, you likely have a broken or damaged shower cartridge. You can replace this yourself or hire a plumber to do the work for you if you’re not comfortable working with plumbing.

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.

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

The Greentop, MO 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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