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>

Are tankless water heaters more energy-efficient than traditional water heaters?

• <div><p>According to the <a href="https://www.energy.gov/energysaver/tankless-or-demand-type-water-heaters">U.S. Department of Energy</a>, tankless water heaters are anywhere from 8% to 34% more efficient than regular water heaters. Exactly how much energy you’ll save depends on your household’s water usage. When you purchase a tankless water heater, you’ll also likely upgrade to more efficient technology than your current water heater, which can add to energy savings.</p></div>

How long do water heaters last?

• <div><p>The lifespan of your water heater depends on the type of water. For traditional water heaters, you can expect it to last between <b>8 and 12 years</b> if gas or <b>10 to 15 years</b> if electric. <a href="https://www.angi.com/articles/what-are-pros-and-cons-tankless-water-heaters.htm">Tankless water heaters</a> can last up to <b>20 years</b> with proper maintenance. The total number of years you’ll get out of your water heater depends on the maintenance it receives and how much it’s used.</p></div>

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Q: What is the most efficient type of hot water heater?

• <div><p>Heat pump water heaters, also known as hybrid water heaters, are the most efficient types of water heaters&mdash;both in terms of carbon emission and energy efficiency. This type of water heater utilizes as little as half of the energy of a traditional water heater while releasing no direct emissions. Tankless water heaters are also extremely efficient, although slightly less so than hybrid heaters.</p></div>

Q: How do I know if my water heater needs replacement?

• <div><p>Unusual noises, lack of hot water supply, efficiency loss, and visible leaks are signs of necessary replacement beyond mere repair.</p></div>

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Verified Reviews for Water Heater Service pros in Marcus, IA

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

Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

Customers say: Super punctual

28013 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

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

No reviews yet

53 years of experience

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

Jer's Appliance & Refrigeration Repair

4.40(

)

Jer's Appliance & Refrigeration Repair

4.40(

)

Customers say: Quality work

19 years of experience

We are a heating, air conditioning, refrigeration, appliance, restaurant, kitchen equipment repair company for commercial and residential customers.

"They did not show up in time. Saide they put new parts in and charge me but did not put any new parts in. When I called them out on it told me I don't know what o was talking about and its still not working after coming out 4 times."

Brice Z on December 2020

We are a heating, air conditioning, refrigeration, appliance, restaurant, kitchen equipment repair company for commercial and residential customers.

"They did not show up in time. Saide they put new parts in and charge me but did not put any new parts in. When I called them out on it told me I don't know what o was talking about and its still not working after coming out 4 times."

Brice Z on December 2020

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!

Sanborn Hardware

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Sanborn Hardware

No reviews yet

25 years of experience

We employ 3 full time employees and 4 part time employees. We deliver equipment to homes, and jobsites. We also help customers get the necessary supplies for their numerous projects.

AM Heating & Cooling inc.

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AM Heating & Cooling inc.

No reviews yet

12 years of experience

All of your Heating & Cooling needs

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

No reviews yet

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

Showing 1-10 of 25

Water Heaters questions, answered by experts

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.

According to the U.S. Department of Energy, tankless water heaters are anywhere from 8% to 34% more efficient than regular water heaters. Exactly how much energy you’ll save depends on your household’s water usage. When you purchase a tankless water heater, you’ll also likely upgrade to more efficient technology than your current water heater, which can add to energy savings.

Heat pump water heaters, also known as hybrid water heaters, are the most efficient types of water heaters—both in terms of carbon emission and energy efficiency. This type of water heater utilizes as little as half of the energy of a traditional water heater while releasing no direct emissions. Tankless water heaters are also extremely efficient, although slightly less so than hybrid heaters.

Unusual noises, lack of hot water supply, efficiency loss, and visible leaks are signs of necessary replacement beyond mere repair.

The lifespan of your water heater depends on the type of water. For traditional water heaters, you can expect it to last between 8 and 12 years if gas or 10 to 15 years if electric. Tankless water heaters can last up to 20 years with proper maintenance. The total number of years you’ll get out of your water heater depends on the maintenance it receives and how much it’s used.

The Marcus, 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

Allie Ogletree
•
May 2, 2025May 2, 2025
How Much Does a Tankless Water Heater Cost? [2025 Data]
Tankless water heater costs depend on the size of your water heater, location, fuel type, and more. Keep reading to calculate your expenses.
Heather Ayer
•
Jun 11, 2025Jun 11, 2025
How Much Does Water Heater Replacement Cost? [2025 Data]
Looking to replace or upgrade your water heater? Use this water heater replacement cost guide to see what the work will cost and what factors affect your total.
Scott Dylan Westerlund
•
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
•
Apr 3, 2025Apr 3, 2025
How to Replace a Water Heater In Your Home in 7 Steps
Learning how to replace a water heater in your home is a challenging task that most people will want to leave to the professionals. But if you’ve got expert-level skills, here’s what to do.
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•
Oct 21, 2025Oct 21, 2025
How Long Does It Take to Drain a Water Heater?
The time it takes to drain a water heater varies by system. This article provides the details and explains what to do if your water heater is draining slowly.
Kate Fann
•
Apr 11, 2025Apr 11, 2025
14 Reasons Your Water Heater Is Not Getting Hot Enough
If your water heater is getting warm but not hot, a faulty thermostat, sediment, or more could be to blame. Learn how to spot and solve the problem of a water heater that’s not hot enough.