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Glam Journal

Can I replace a power vent water heater with a direct vent

Author

David Craig

Updated on April 29, 2026

Direct venting and power venting systems offer greater flexibility, because neither requires a direct line to the roof. … This difference in operation means that you can install a direct vent system almost anywhere, but a power vented water heater must be placed in a room with adequate airflow.

Why do you need a power vent on a water heater?

Venting systems are necessary to prevent flue gases from accumulating in your water heater. These gases largely consist of water vapor and carbon dioxide. The vapor becomes acidic and needs to be released in order to relieve combustion pressure and prevent the water heater from exploding.

Are direct vent water heaters better?

Direct Vent Water Heater A direct vent system typically results in lower water heating costs, because the exhaust gases are vented vertically, with no extra power required as is the case with the power vent water heater.

Why do I need a power vent on my gas water heater?

Power direct vents are used when the space in which you are installing a water heater lacks sufficient air for combustion and requires flexibility around the installation. Consult a professional plumbing contractor to make sure that you need power direct venting before going down this installation path.

Are power vent water heaters worth it?

Power vent water heaters are more energy efficient, so they require less gas to operate. The lower energy consumption will save you some money, but probably not more than $20 a year, making this an added benefit, but not a deciding factor. … A power vent water heater can be a good option for this situation.

Can a direct vent water heater be vented horizontally?

Compared to atmospheric, direct-vent water heaters offer more installation flexibility because they can vent horizontally. They also operate more quietly than their power-venting counterparts.

What is the difference between direct vent and non direct vent?

Direct vent (two-pipe) vent system – This system uses one pipe to bring in outside air for combustion and another to remove exhaust gases. Non-direct (single-pipe) vent system – This system uses only one pipe to remove exhaust gases.

Can I install power vent on any water heater?

A direct vent system pulls in air from outside and then vents the exhaust through a horizontal pipe. This difference in operation means that you can install a direct vent system almost anywhere, but a power vented water heater must be placed in a room with adequate airflow.

Can you put a power vent on a regular gas water heater?

Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters, but installing a standard vent in a house without an existing chimney is expensive. It’s easier to run the vent if you install a “power-vented” type of natural gas (or propane) water heater.

How much does it cost to replace a power vent water heater?

Power Vent Water Heater Installation Cost An installed power vent water heater averages $1,050 to $5,000. They have more moving parts and require electricity to vent. Even if you use gas to heat your water, your water heater requires electricity to work.

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How long do direct vent water heaters last?

How Long Do Water Heaters Last? Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years.

How much electricity does a power vent water heater use?

Typically, a hot water heater that uses a tank will run for three to five hours per day. So, a 4,000-watt heater used for three hours a day at $. 10 per kWh will cost $1.20 per day, about $36.50 per month, or $438 per year.

What is the quietest power vent water heater?

  • 50.32 dBA. The quietest power vent water heaters in the industry.
  • With the new AquaVENT MAX™ Blower, the TTW® Power Vent Residential Gas Water Heaters do the job in a smaller space than the competition:
  • 3″ Flue Products Now Available, 5″ Flue Products Coming Soon.

Can I use old power vent on new water heater?

No. You cannot use a regular vented gas water heater in place of a power-vent water heater with PVC exhaust system. The gas valve/thermostat is not designed on the regular models to accept any changes. It depends on why the power vent unit was installed in the first place.

What is direct vent heater?

A direct-vent wall furnace is a self-contained sealed combustion heating appliance that warms inside air by recirculating it around a sealed chamber, and discharges combustion byproducts outside the home via direct-vent. They are permanently attached to the structure of a building, and are not connected to ductwork.

How do I know if my furnace is direct vent?

In a direct-vent system, you can readily see the two pipes emerge through the side of your house. Vents can also be terminated above the roof. Single-pipe system: The single-pipe, non-direct vent system is used where there is no real need for a separate combustion air intake vent.

What does direct vent furnace mean?

A direct vent heater is a heating system composed of a two-part system: air intake and an exhaust system. They use outside air pulled through vents into the home to heat the area and the exhaust fumes head out through the system exhaust piece. … Contact us today to learn more about what a direct vent heater is.

Can you vent furnace and water heater together?

Vent connectors serving equipment vented by Natural draft (typical water heater) Shall Not Be Connected Into Any Portion of Mechanical-draft systems (80% and higher efficiency gas furnaces). This Means: With Any New Furnace Installation — A Gas Water Heater Must Then Be Separately Vented.

Can you vent a standard water heater through the wall?

Direct Vent Water Boiler The air that is used for combustion will come from the water vent, this vent will either through the roof or from the outside of the wall. … This means that only one single pipe is required to go through the roof or wall where the clean air is moved and the off-gasses will be vented.

How far can you vent a direct vent water heater?

Minimum clearances between the water heater and combustible and noncombustible construction are: 0 inches from sides, 0 inches from back, 4 inches from front of jacket to closet door and 3 inches from top of jacket to combustible and noncombustible ceiling. Minimum vent clearance: 0 inches.

Can you vent a gas hot water heater with PVC?

PVC is fine. As Jason mentioned, plastic (PVC or ABS) is ok to use as a venting material on powervented hot water heaters. They work by sending a huge amount of air in with the flue gases that it decreases the temperature of the exhaust going through the vent enough that it will not comprimise the vent.

Is a gas or electric water heater better?

If you are comparing the efficiency of an electric water heater vs a gas unit, electric heaters are more efficient. Although gas hot water heaters are less expensive to run monthly due to the low cost of natural gas—a gas heater uses more energy to operate and releases waste into the environment.

Do electric tank water heaters need to be vented?

No. Unlike gas tankless water heaters and gas traditional tank style water heaters, electric tankless water heaters do not require any venting. This is often one of the deciding factors when choosing whether you should purchase a gas or electric tankless water heater.

How much is Lowes water heater installation?

When it comes to installing traditional tank water heaters, Lowe’s charges 325 dollars for basic installation.

Can I transport a new water heater on its side?

When moving, replacing, or installing hot water heaters, transport them with care to avoid damage. … If the hot water heater is not properly moved while in a horizontal position, the metal casing could become damaged or the glass lining could crack.

How much does it cost to install a power vent?

Power venting: Adds $300-$600 to the unit’s price. Plus, you’ll add an additional $300-$500 for wiring and electrical. This system uses a powered fan to push exhaust air out of your home.

What brand of electric water heater is the most reliable?

  • A.O. Smith. …
  • Rheem. Rheem was founded in 1925 by two brothers, Donald and Richard Rheem – and with financial backing from a third brother, William. …
  • Kenmore. …
  • Bradford White. …
  • American Standard. …
  • American Water Heaters. …
  • Bosch. …
  • EcoSmart.

Should I replace my 15 year old water heater?

Anyway, you should consider replacing your water heater if it’s about 6-12+ years old and when you start running out of hot water faster. However, age and lack of hot water aren’t everything. You could have a 15-year-old water heater that works just fine and wouldn’t need replacing.

Can a water heater last 30 years?

Lifespan of Tankless Water Heaters These heaters have an average lifespan of 20 years. However, some can last for up to 30 years when maintained properly. … Tankless water heaters can still corrode over time but this happens much more slowly.

Can you vent a power vent water heater into a chimney?

When venting a gas water heater to a chimney, be aware that holes in the chimney can prevent a good draw on the water heater, causing downdrafts and presenting the risk of carbon monoxide poisoning. To avert this problem, you can vent the water heater to the largest hole in the chimney and cap the remaining holes.

How much does it cost to run a 50 gallon electric water heater?

According to the Department of Energy, based on the assumption that an electric water heater runs for an average of about three hours per day, a 50-gallon water heater, running at 5,500 watts, with an electricity rate of $0.16 per kWh, will have an annual operation cost of $781.