Can a tankless water heater be installed horizontally?

Horizontal Installation. Gas or liquid propane tankless water heaters can be installed either vertically or horizontally.

Installing a tankless water heater outside frees up indoor space and requires no additional venting. 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.

Additionally, can you put a tankless hot water heater in an RV? Location. While one of the benefits to a tankless water heater is that there is less storage space required, you still want to make sure you have chosen an area for it that can be easily connected You can install your tankless water heater to the outside of your house or RV as well.

Subsequently, one may also ask, where should a tankless water heater be installed?

The tankless water heater is small in size. Thus it can be put in small spaces such as under-stair storage areas, closets, in pantries or under the sink. Be careful to ensure that your water heater is convenient and safe in case of future servicing. A tankless water heater is for indoor installation only.

Does electric tankless water heater need venting?

Electric tankless units do not require any type of venting, however, they do require a substantial amount of electricity. Outdoor gas tankless water heaters do not require venting, however, they do require a minimum amount of space around the unit.

Which is better electric or gas tankless water heater?

A tankless electric heater is generally cheaper than a propane tankless heater. It is important to keep in mind that electric tankless water heaters are generally 99%+ thermal efficient, whereas the efficiency rating of most gas tankless heaters, even the better quality units, range from about 80 to 85%.

Does tankless water heater use more electricity?

Electric tankless heaters are 99 percent efficient. The worst traditional electric heaters are 93 percent efficient. Tankless water heaters that use natural gas are about 23 percent more efficient than a traditional storage version, which is about 60 percent efficient, according to the Department of Energy.

How hard is it to install a tankless water heater?

Tankless water heaters cost more than traditional tank water heaters; typically about twice the price for the unit alone, depending on what flow rate is needed. They’re also more difficult to install, as they have special venting requirements and often need larger gas lines because of the higher BTU rating.

What is the best tankless water heater?

7 Best Tankless Water Heaters Reviewed Rheem RTEX 13 Electric Tankless Water Heater. Stiebel Eltron Tempra Plus 24 kW. Rinnai RUC98iN Ultra Series, Concentric/Twin Pipe Installation. Atmor AT-D18TP-AZ Instant Tankless Water Heater. Ecosmart ECO 27 Tankless Water Heater. Rheem RTGH-95DVLN Direct Vent Tankless Water Heater.

How much does it cost to have a tankless hot water heater installed?

A new tankless water heater costs between $1,500 and $2,000 installed, while a whole house tank costs between $600 and $800. A tankless hot water heater costs around $430 without installation and a traditional heater costs around $440.

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

How to Prevent Your Tankless Water Heater from Freezing Install Your Water Heater in a Warm Place. Drain Your Water Heater. Maintain a Power Source. Consider a Recirculation System. Insulate, Insulate, Insulate. Run a Trickle of Water.

Do tankless water heaters need two?

Installing two small tankless water heater units is typically more expensive than installing one large one, but it can ensure clients have hot water on demand for a variety of simultaneous uses. Most propane or natural gas tankless water heaters on the market can handle a rate of 5 gpm at a 70 degree temperature rise.

What is the downside of a tankless water heater?

Tankless water heaters produce an endless supply of hot water, take up less space, have a lower risk of leaking, are safer, and have a significantly longer lifespan on average. The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters.

Can a tankless water heater fill a tub?

A small tankless water heater can take a long time to fill a large tub. Third, if for some reason a larger water heater cannot fit, and the properly sized tankless is too expensive, you can add a second standard water heater next to your present tank. Two smaller water heaters can do the job of one big water heater.

What are the disadvantages of a tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won’t produce enough hot water to serve most households. They’ll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.

What size breaker do I need for a tankless water heater?

Typical tankless requires 40-50 amp breaker for each wire. Each wire supplies 1 element. This example requires 3 breakers rated 40-50 amp = 120+ total amps.

Do I need a permit to install a tankless water heater?

Replacing with a tankless water heater doesn’t require a permit or inspection. They may require a mechanical permit, gas piping permit and electrical permit depending on the local jurisdiction and what was required to install the new appliance.

Are tankless water heaters loud?

Gas tankless hot water heaters all make noise when firing up and heating water, but the levels are usually less than 90 decibels. If the noise occurs when hot water isn’t being used, there’s a good chance that another source is siphoning water from the line and creating a vacuum.