Do tankless water heaters need a vent?

Tankless hot water heaters require special venting to blow hot exhaust gas outside, where it dissipates. Unlike traditional tank-style water heaters, gas tankless hot water heaters offer far more versatile venting options.

How much ventilation does a tankless water heater need?

How are tankless hot water heaters vented?

Can I use my existing water heater vent for tankless?

Does an electric water heater need venting?

Does a tankless water heater have to be installed on an exterior wall?

It is possible to install a tankless water heater outside and free up indoor space. The roof or side wall can be used as a vent for the tankless water heaters. Venting through the roof is required for traditional gas tank water heaters.

What is the difference between condensing and non condensing water heaters?

Condensing tankless heaters use a dual heat exchanger design to make maximum use of the energy delivered to the system. Non-condensing tankless water heaters utilize a single heat exchanger so they vent more heat in the exhaust gases.

Is it OK to put a tankless water heater in the attic?

Simply put, as long as there is enough combustion air provided, tankless water heaters can be installed in any area of your home, from a utility room to a garage to, yes, even an old, dusty attic.

What is better tankless or water heater?

Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.

Can a tankless water heater be installed in a closet?

Your tankless water heater can be installed just about anywhere! Due to the small size of your water heater, it can be mounted in many small spaces, including closets, under sinks, in pantries, or under stair storage areas.

Does a gas water heater need a chimney liner?

For optimal use and safety, a liner is needed when installing a new heating system, furnace, boiler, or water heater. Local codes and the International Fuel Gas Code require proper venting and chimney liners for flue gasses to be vented into the outdoor atmosphere.

What is the downside of a tankless water heater?

The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

How do I keep my tankless water heater from freezing outside?

How do you vent a tankless water heater?

Tankless water heaters can vent through the roof or a side wall, creating more flexibility and options for placement. Traditional gas tank water heater require venting through the roof. Tankless water heaters use fans to blow exhaust from the unit horizontally, allowing vents to terminate on the side of a house.

How acidic is tankless water heater condensate?

“Water-heater condensate usually has a pH of two or three,” says Oshiro. “This acid can corrode drain pipe walls over time, leading to permanent damage.” He says one solution is installing neutralizer agent that essentially removes the liquid’s acidity, protecting the pipes from damage.

Why do people put water heaters in attics?

By using the ambient heat in the attic to maintain the temperature of your hot water, you save on energy bills related to water heating.

Why are water heaters in the attic in Texas?

Since most Texas homes lack a proper basement, it is standard practice to install water heaters in the attic – somewhere where it’s out of sight. That might seem like a great idea at first, but remember that water heaters have a 100% failure rate.

What is the most efficient way to heat water?

How can I heat water without electricity?

Can you sleep in a room with a water heater?

It is perfectly safe to sleep in a room with an electric water heater. Gas water heaters should not be placed in a bedroom unless they are direct vent type or separated by a weather-stripped self-close door. The combustion air must always be drawn from the exterior.

How long does a chimney liner last?

How long do chimney liners last? The answer to this question depends on the type of chimney liner you have. Clay tile liners and cast-in-place liners typically last around 50 years. Stainless steel flue liners generally last for 15 to 20 years (though low quality liners may not even last for five).