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>

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Q: Is it better to vent a gas water heater out of the wall or roof?

• <div><p>Venting a gas water heater out of the roof is preferable in most cases. Heated exhaust gases naturally rise, so a vertical vent pipe is efficient. If you&rsquo;re trying to vent through a pipe exiting a wall, the angle of the pipe may be more horizontal than vertical, making the venting system less effective. If you go through a wall, you may need to add a fan to ensure a successful expulsion of the gases outdoors.</p></div>

Q: Can you still use water if your water heater is leaking?

• <div><p>We recommend you turn off the unit, the power, and the water supply as soon as you notice a leak. Your water heater tank should have a dedicated shut-off valve located on the cold inlet pipes. If the valve is broken or inoperable, use the shut-off valve to your home's main water supply to stop the flow to the entire house.</p><p>Avoid touching valves or pipes directly without confirming if they are hot. Wear gloves and other safety gear to keep from coming into contact with hot levers or components when turning off your leaking water heater.</p></div>

Q: How often should you replace an anode rod?

• <div><p>Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. </p></div>

Q: Will a larger water heater require a larger circuit breaker?

• <div><p>A <a href="https://www.angi.com/articles/what-size-breaker-for-water-heater.htm">larger heater requires a larger breaker</a>&mdash;unless there&rsquo;s one already installed. The longer answer to this question is more nuanced. Do you place demands on the heater at the same time as running other heavy-duty appliances like ovens and washing machines? Do you live in an older home that may not have considered the higher electrical demands we have now? Breakers need to be sized at 125% of the load. To find that load, you should call a <a href="https://www.angi.com/nearme/electrical/">local electrical pro</a>. </p></div>

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Verified Reviews for Water Heater Service pros in Cascade, IA

*The Angi rating for Water Heater Service companies in Cascade, 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 Cascade, 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 March 25, 2026

Reviewed in March 2026
Did an absolute amazing job, now only cleaned off my driveway, salted it, even blew off my car so when I had to go to work I didnt have to get all that junk off my vehicle. By far the only snow removal service I will ever have!
T's Turf Cuts
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Reviewed in May 2025
We hired Vault Enterprises for a home remodel that included adding a mud room, home office, and bunk area. The work was completed on time, within budget, and to a very high standard. The mud room is functional and well-designed, the office is exactly what we needed for a quiet work space, and...
Dubuque Remodeling
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Reviewed in November 2023
They were very efficient and done their job wonderfully!! The windows are great our house has never been this warm!
Mad City Windows & Baths
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Reviewed in June 2023
Ryker and his crew were fantastic! They were professional, hardworking, and enthusiastic. UniMovers made the entire moving process stress free. Highly recommend these guys!!
UniMovers Dubuque
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Reviewed in September 2022
The service was very good. They were very professional and communicated well. When I called he came over and asked what I was thinking, explained everything, and walked me through the whole process. He was on time, reasonable with his pricing, and didn't leave a mess. I would recommend him for...
Reiss Construction
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Reviewed in February 2022
very please with their job, they have been working for us from a since long time.
Kraus Remodeling and Restoration
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Reviewed in November 2021
They contacted and negotiated with the insurance company. They did quality work and that is hard to find during this time of everyone wanting a contractor. I appreciate being able to work with Paul during the complete project, this is a big plus when you have 2 houses to work on.
American Building Contractors, Inc.
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Reviewed in March 2017
they came and checked it out; ordered the part and when i received the part i called march 2 to make appt. Appointment was made for my day off March 7 in the morning. when i called at noon they stated they saw i called in on march 2 but the appt was moved to april 4. just know; i was unable to...
Service Guard - A Division of Black Hills Energy
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Reviewed in May 2015
Two workers arrived at the appointed time. One spent all of his time on the sump pump replacement. The other did the three smaller jobs. I was impressed that they explained things to me when they were done. The one who did the three smaller jobs explained things as he went along. <br />...
East Iowa Mechanical
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Reviewed in November 2014
Installed our furnace, a/c, water heater, etc. They have been doing all of our work, but unfortunately when I called this year they were just too busy. I have been very satisfied with their work thus far.
SOPER PLUMBING & HEATING
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Find Water heater pros in Cascade

Element Heating & Cooling LLC

4.9(

)

Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+4 more

Serving Cascade, IA and surrounding areas

In business since 2019

Free estimates

Credit card accepted

"Jesse removed old baseboard water radiators in our bathroom. This was the start of a bathroom remodel. When bathroom was finished he came back and installed a new and much smaller baseboard radiator. He was friendly, efficient, came on time, cleaned up any mess and all around very professional. Very happy with his work! Would highly recommend him."

Response time6 hrs

Recommended by100%of homeowners

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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 Cascade, IA 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."

Recommended by65%of homeowners

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Apex Property Solutions

5.0(

)

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

Serving Cascade, IA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

APS (Apex Property Solutions) is your one-stop solution for property services. We specialize in residential and commercial cleaning, including carpet and upholstery cleaning. Our expert team also handles wall mounting, general handyman services, home remodeling, and construction site cleanup. Whether you're looking to refresh your space with a deep clean or need help with home improvements, we’ve got you covered. At APS, we pride ourselves on top-quality work and exceptional customer service, ensuring your property always looks its best. Contact us today for a free consultation!

+10

Recommended by100%of homeowners

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Water Heaters questions, answered by experts

Venting a gas water heater out of the roof is preferable in most cases. Heated exhaust gases naturally rise, so a vertical vent pipe is efficient. If you’re trying to vent through a pipe exiting a wall, the angle of the pipe may be more horizontal than vertical, making the venting system less effective. If you go through a wall, you may need to add a fan to ensure a successful expulsion of the gases outdoors.

We recommend you turn off the unit, the power, and the water supply as soon as you notice a leak. Your water heater tank should have a dedicated shut-off valve located on the cold inlet pipes. If the valve is broken or inoperable, use the shut-off valve to your home's main water supply to stop the flow to the entire house.

Avoid touching valves or pipes directly without confirming if they are hot. Wear gloves and other safety gear to keep from coming into contact with hot levers or components when turning off your leaking water heater.

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.

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener.

A larger heater requires a larger breaker—unless there’s one already installed. The longer answer to this question is more nuanced. Do you place demands on the heater at the same time as running other heavy-duty appliances like ovens and washing machines? Do you live in an older home that may not have considered the higher electrical demands we have now? Breakers need to be sized at 125% of the load. To find that load, you should call a local electrical pro.

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