
How much does it cost to install a tankless water heater?
When you turn on the hot water part of the faucet in your home, the tankless water heater will start to heat the water you need. There's no reservoir that already has hot water in it, which is thought to be better for environmental reasons. Installing a tankless water heater will cost between $1,200 to $5,000 .
Are tankless heaters worth it?
Tankless water heaters are typically quite pricey, especially if you have to go after a particular model depending on how your RV is set up. If you only take your RV out a few weekends each year, it probably isn't worth spending the extra money.
Should I get a tankless water heater or a tank?
Tankless water heaters do cost more than water tanks, but you do get these advantages: Much lower energy costs. Because you only heat water when water is flowing, your energy costs will be much lower than with tanks – depending on your usage habits, you could see anywhere from 30 – 70% savings. Y ou get as much hot water as you can use.
Is a tankless water heater the right choice?
In many cases, a tankless hot water heater is a smart choice for your home. However, there are a few situations in which you may be better off sticking with a traditional, tank-style unit. Below, we’ll tell you why tankless water heaters are usually a better option and when you may need to go with a tank heater instead.
Can you bring combustible air into a tankless?
Can you use make up air in a tankless tank?
Do tankless water heaters have to be inspected?
Can you install Rheem in a closet?
Do water heaters need combustible air?

Can you mount a tankless water heater in a closet?
In the closet You can actually install a tankless unit that supplies your entire home in a closet centrally located in the house.
How much room do you need around a tankless water heater?
It is true that tankless water heaters do not require a lot of space. A large unit requires an area no larger than 24 inches square and ex- tends from the wall by about 8 to 10 inches.
Where should you install a tankless water heater?
The ideal location for your water heater is inside the home. Most installations are small and unobtrusive so they will easily fit in a pantry, under the stairs, or under your sink. If you must place the water heater outside, make sure it's safe from direct sunlight, rain, and insects.
Can a water heater be enclosed in a closet?
[NFPA 54: 10.27. 1(2)] Fuel-burning water heaters shall be permitted to be installed in a closet located in the bedroom or bathroom provided the closet is equipped with a listed, gasketed door assembly and a listed self-closing device.
Can a tankless water heater be in a bedroom?
No, you cannot put a gas water heater in a bedroom. A malfunction of the water heater or flue can allow carbon monoxide to flow into a bedroom and accumulate at a fatal level. It's odorless, so you would be slowly asphyxiated while sleeping without knowing what was happening.
What is the code for venting a tankless water heater?
The water heater must be vented in accordance with the section “Venting of Equipment" of the latest edition of the National Fuel Gas Code: ANSI Z223.
Does a tankless water heater have to be on an outside wall?
Electric tankless water heaters are designed to be installed indoors in the garage, basement, or interior wall. Both natural and propane gas tankless water heaters have indoor and outdoor models. Indoor models can also be installed in the garage, basement, or the exterior wall's interior side to provide venting.
How high off the floor should a tankless water heater be?
18 inchesYour gas water heater should be 18 inches off of the ground, as per the National Fuel Gas Code. This is the standard for water heater installation requirements.
Does tankless water heater 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.
Does my water heater closet need to be vented?
What If My Water Heater Is In A Small Room Or Closet? If the water heater needs more air than is available in the room, you will need vents or a louvered door connected to another part of the house or the outdoors.
How do you hide a tankless water heater?
4 Ways to Hide Your Water Heater (& 3 Outdoor Options)hide it behind a curtain.install a decorative screen or room divider.install your water heater in a closet.build a cabinet enclosure.
How big does a hot water heater closet need to be?
Depending on whom you will ask and what your situation is, the answer to this can be a yes or a no. The water heater needs air space of at least 12 inches or 30 centimeters on every side of the heater. This is to ensure that the heater will be able to have proper ventilation and combustion.
What is the downside of a tankless water heater?
In addition to high upfront costs, tankless water heaters have several other disadvantages compared to tank-style water heaters: they take longer to deliver hot water. the water temperature is inconsistent when multiple outlets are on simultaneously. they cannot provide hot water during a power outage.
How do I size a tankless water heater for my house?
How to Select the Right Size Tankless Water HeaterDetermine the maximum number of devices you want to run and their total flow rate. Then, add up their flow rates (gallons per minute). ... Determine required temperature rise. ... Sizing Example: An average shower will be between 104–106° and uses 2.6 gallons of water.
Can a tankless water heater be installed on an interior wall?
Electric tankless water heaters are designed to be installed indoors in the garage, basement, or interior wall. Both natural and propane gas tankless water heaters have indoor and outdoor models. Indoor models can also be installed in the garage, basement, or the exterior wall's interior side to provide venting.
How high should a tankless water heater be installed?
Consequently, a tankless water heater should rarely be set above 115°-120°. The nationally recognized temperature for when scalding is significantly more likely to occur is 125° F, so it is generally not recommended to set the water heater higher than this.
Where should I install a Tankless Water Heater?
Advice on where you should install your new tankless water heater. We cover new construction and retro fits in this articles.
Selecting a Location to Install Your Tankless Water Heater
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 ...
Where To Install Tankless Water Heaters - Tankless.Best
Which are the best places to install a tankless water heater? Manufacturers and users agree on one thing. The location of the tankless water heater affects its efficiency. Ideal locations ensure that water remains hot even during the coldest season.
How to Install a Tankless Gas Water Heater - The Home Depot
Tankless gas water heaters are direct-vent only. This means they need to be piped directly to the outside and not through a chimney. Due to their efficiency, the flue gas temperature on a tankless system is too low to vent through a conventional masonry chimney.
What is the minimum clearance to doors and windows for an outdoor ...
McGarry and Madsen Inspection. 16822 SE 92nd Danna Avenue, The Villages, FL 32162. www.thevillagesbestinspector.com • Comments or questions to [email protected]. While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector.
Where to install a Stiebel Eltron tankless water heater?
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. However, there are some important guidelines ...
What happens if your water heater freezes?
If the water inside your tankless water heater freezes, it can cause severe and permanent damage that is not covered under your warranty. If you suspect that your tankless water heater may have frozen, do not turn on the heater until it has thawed and you have inspected the system for leaks.
How far away should you keep water heater from combustible materials?
Combustible materials should be kept at least 24 inches away from your water heater and the output hot water pipe.
Can a water heater cover be warm?
Under normal operation, the cover of your water heater will only warm slightly to the touch, however, it is always best to be overly cautious when dealing with a high voltage appliance.
Do tankless water heaters need vents?
This product does NOT require venting. You should avoid installing your tankless water heater in a location prone to excessive humidity, moisture, or dust, or in an area where it may be splashed with water or other liquids.
Where to put tankless water heater?
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.
What happens if you don't plan your water heater?
Choosing the best place for your water heater is quite tricky. Luckily, there are several options. Lack of proper planning may lead to irregular water temperatures. Poor flow of water, need for regular maintenance, or worse still, damage to the whole system.
What is a direct vent water heater?
A Direct vent unit features an intake and exhaust vent since it pulls in the air outside the building.
How far should a water heater be from a combustible source?
Ensure that the heater or outlet water pipe doesn’t touch the combustible materials. Keep a distance of 24″ between the combustibles, the water heater, and the output hot water pipe.
Why is it important to install a water heater closer to the demand source?
For example, installing it closer to the demand source ensures that less water goes to waste.
Can you vent a water heater through the roof?
The water heater’s structural design also has a bigger say on the venting options available for you. Depending on the model, you can vent through the sidewall or from the roof.
Can you freeze water in a tankless water heater?
This is to protect it from splashed water, rain, insects, direct sunlight and debris. Avoid installing it in locations that may subject it to freezing. Frozen water inside your tankless water heater may cause severe and permanent damage. And most of the time it isn’t covered by the warranty.
Where should a water heater be located?
Ideally, water heaters should be located near gas or electric service and where water supply and distribution lines can be easily installed. Ventilation is easier to achieve if the unit is located on an exterior wall.
How much clearance is needed for a water heater?
Water heaters must be surrounded by a certain amount of clearance, or air space, to function properly and safely. A clearance area of 12 inches is required on all sides of a hot water heater. A certain amount of airflow is also required for proper combustion and ventilation.
How to prevent water heater from shifting during an earthquake?
To prevent this, water heater bracing straps must be installed on water heaters in areas prone to earthquakes. Each unit must be held in place with two straps, one located on the top third of the water heater and the other on the bottom third. These straps must be at least 4 inches away from the water heater controls. Flexible connection hoses are required when connecting units to gas and water supplies in seismic zones.
What happens to water heaters during earthquakes?
Seismic Straps. During an earthquake, a water heater can shift, potentially causing water leaks, gas leaks and electrical damage. To prevent this, water heater bracing straps must be installed on water heaters in areas prone to earthquakes.
How far from water heater should air ducts be?
Air ducts required for combustion must be at least 3 inches in diameter.
Where are the straps on a water heater?
Each unit must be held in place with two straps, one located on the top third of the water heater and the other on the bottom third. These straps must be at least 4 inches away from the water heater controls. Flexible connection hoses are required when connecting units to gas and water supplies in seismic zones.
Do you have to have a closet door to open a water heater?
Closet Doors. Closets are required to have doors when a water heater is installed in them and these doors cannot be left open. The doors must open and close easily and freely and must close and latch by themselves if left unattended. Features that allow the closet door to be held open are not permitted. There must be a threshold and seal ...
Can you bring combustible air into a tankless?
By the way that’s just a weird way to bring combustible air into a tankless. Manufactures almost always recommend bringing in combustible air from the outside.
Can you use make up air in a tankless tank?
It is likely getting combustible air from one of the two pipes coming out of the top of the unit. Make up air will not be a requirement for a tankless unit like this one.
Do tankless water heaters have to be inspected?
If the tankless water heater is getting its combustible air from the outside, which they usually do. If it meets all of the clearance requirements which should be on the label of the water heater than the answer is yes. I have installed many tankless water heater’s in closets and they always pass inspection.
Can you install Rheem in a closet?
As a sidenote I have contacted Rheem about this exact question and Rheem says installation in a closet is perfectly acceptable.
Do water heaters need combustible air?
I see many water heaters installed in garages that are using the garage space as their combustible air. A garage may meet the requirements for combustible air if the volume of air is adequate.
