The 10 Best Direct Vent Hot Water Heaters (2022 reviews)

direct vent hot water heaters
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There are several advantages of having a direct vent hot water heater. In the following post, we will help you to select the best direct vent hot water heaters.

Our review process:

Our Top Picks:

Best Overall:
Buy: Bosch Rmotechnology Direct Vent Hot Water Heater
READ REVIEW

Best For Temperature Control:
Buy: Rinnai Direct Vent Hot Water Heater
READ REVIEW

Best For Very Affordable Price:
Buy: Bosch Rmotechnology Electric Water Heater
READ REVIEW

Best With Furnace:
Buy: Rinnai Tankless Water Heater
READ REVIEW

Best For Worth The Money:
Buy: Camplux Enjoy Outdoor Life Direct Vent Hot Water Heater
READ REVIEW

Best For Space Saving:
Buy: Noritz Direct Vent Hot Water Heater
READ REVIEW

Best For Stainless Steel:
Buy: Fogatti Direct Vent Hot Water Heater
READ REVIEW

Best For Overall Length:
Buy: Ez Tankless Direct Vent Hot Water Heater
READ REVIEW

Best For High Efficiency:
Buy: Noritz Water Heater
READ REVIEW

Best For Energy Conservation:
Buy: A. O. Smith Direct Vent Hot Water Heater
READ REVIEW

Best Overall: Bosch Rmotechnology Direct Vent Hot Water Heater

Bosch Rmotechnology Direct Vent Hot Water Heater
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The Bosch Rmotechnology Direct Vent Hot Water Heater is long-lasting, rigid and fits well with your daily use like a dream. The bosch rmotechnology direct vent hot water heater is made for gallon size, is easy to carry and is suitable for horizontal installation. Make sure this fits by entering your model number. And, the heater is good for hair salon and it does great.

Most importantly, the bosch rmotechnology direct vent hot water heater is very small, is very happy and it works with a pipe connection.

Most buyers agree that the heater provides hot water to both the sink and the dishwasher. In addition, they say that the heater is good for 15 amps. In addition, they say that the heater is perfect for cabin, trailer, outdoor kitchen, booster for remote locations / second stories etc. To sum up, the tone of buyers is very positive and we believe that the heater suits the purpose.

Top Customer Quotes:
  • This comes with a power plug or wire.
  • This is a glass - lined insulated tank.
  • This can be mounted in its own way with water lines on top or on the side.
  • This can be connected to 110 or 120 volts.

Best For Temperature Control: Rinnai Direct Vent Hot Water Heater

Rinnai Direct Vent Hot Water Heater
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The Rinnai Direct Vent Hot Water Heater's material feels more premium than its price would suggest. The rinnai direct vent hot water heater is really easy, is for low temperature,s it works as advertised and has a controller design. Make sure this fits by entering your model number. And, it is perfect for home improvement, It works fine and has a compact design.

The heater is very good, It is great for water saving and has an efficient design. Also, this is good for the bottom line, it is adjustable and has a low nox design. Most importantly, the rinnai direct vent hot water heater has minimum water pressure and has a beautiful design.

Most customers quickly discovered that the heater makes some odd noises when first powered on, but is quite quiet when in operation and delivers endless hot water. And, a few also found that the heater can accept 3/4 or 1/2 gas line, but is equipped with a 3/4 male nipple. Further, they say that this water heater works great, exactly as advertised so far. In conclusion, many customers have used the heater for more than a few months without any issues, and it shows no sign of giving up.

Top Customer Quotes:
  • This is the desired flow rate you’ll want for the demand water heater.
  • This does not turn off after ten minutes.
  • This is very efficient, you can tell because the exhaust is not hot.
  • This can supply hot water to two showers operating simultaneously.

Best For Very Affordable Price: Bosch Rmotechnology Electric Water Heater

Bosch Rmotechnology Electric Water Heater
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For a low asking price, Bosch Rmotechnology Electric Water Heater has managed to overwhelm their customers by packing as many features as they could. The bosch rmotechnology electric water heater is adjustable, has features for a very good unit and it goes ahead. Shut off the cold supply heater and open the hot water tap. This electric water heater is easy to maintain and has premium glass - lined material for a long service life.

Finally, the bosch rmotechnology electric water heater is used for three different applications.

Most buyers opine that the heater is quite large and box shaped, so be sure to also know where it's going. In addition, they say that the heater is easy to install, plugs into a standard outlet and heats up fast. And, they also found that this water heater is the perfect size to supply warm water, mainly needed in the winter.

Top Customer Quotes:
  • This takes up considerable floor space.
  • This is easy to install and has lots of hotwater right away.
  • This comes out really hot at default settings.
  • This is packaged well and there's really nothing quirky about the design or hookup.

Best With Furnace: Rinnai Tankless Water Heater

Rinnai Tankless Water Heater
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Compared with other heaters in this category, the Rinnai Tankless Water Heater has a convenient design. The rinnai tankless water heater is clear, it is guaranteed to last and has a safe design. Make sure this fits by entering your model number. This ru199in compact tankless water heater has a longer lifespan since water runs continuously through pipes.

Above all, the rinnai tankless water heater can protect for recirculation pump, Buy it now, It is white and has a smart design.

Almost all customers quickly discovered that the heater could n't be used in residential settings anymore, due to new energy standard requirements. In addition, they say that the heater is suitable for mounting outdoors. Further, they also found that the heater is running frequently, something may be triggering it. Overall, most buyers agree that the heater suits them best, and no one questions it.

Top Customer Quotes:
  • This can come with a conversion kit that’s sold separately.
  • This is a condensing unit that has a primary and secondary heat exchangers.
  • This is super hot, it is equipped with a circ-logic and has a standing design.
  • This will vary both btu and water flow rate depending on conditions and demand.

Best For Worth The Money: Camplux Enjoy Outdoor Life Direct Vent Hot Water Heater

Camplux Enjoy Outdoor Life Direct Vent Hot Water Heater
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We would, of course, be remiss if we didn't mention Camplux Enjoy Outdoor Life Direct Vent Hot Water Heater for regular use. The camplux enjoy outdoor life. direct venthot water heater is a pressure relief valve at the water inlet of the water heater. Dry combustion, flame failure device, anti-freezing protection, over heating protection to ensure your safety. This tankless propane water heater can anti backflow wind on high floors. The s / s 2.36 ” vent pipe exhausts harmful gases quickly.

The heater comes with a water connection, works amazing, It comes with a flow sensor and has a smart design. And, the heater is designed for a great price, It is inexpensive and has a compact design. Most importantly, the camplux enjoys outdoor life. Direct vent hot water heater is highly recommend, is good for fast delivery, It works well and has a safe design.

Almost all customers agree that the heaters are very willing to work out a deal for an exchange. Moreover, they say that the heaters are optional to install after everything is working correctly. And, they also found that the heater requires a certain amount of psi to operate, which you wo n't get if you use a water pressure reducer.

Top Customer Quotes:
  • This is made for easy operation, it provides great value and has a cool design.
  • The 3.18-gpm heater is activated by water flow rather than water pressure.
  • These make an outdoor version too.
  • You can take s/s wall thimble-wt236 for perfect indoor use.

Best For Space Saving: Noritz Direct Vent Hot Water Heater

Noritz Direct Vent Hot Water Heater
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If you want nothing but a heater that is reliable, this Noritz Direct Vent Hot Water Heater is certainly a wise investment. The Noritz directvent hot waterheater is great for water saving, works fine and it is best for digital display. Make sure this fits by entering your model number. Moreover, it is worth the money and it is software.

The heater can be vented with a scheduled 40 pvc pipe and fitting. Moreover, the heater has a little unit and it has a led display. Above all, the noritz direct vent hot water heater comes with a water connection and it is made for easy installation.

Almost all customers agree that the heater is not a simple swap, all pipes lined up, etc, but again, four generations ago, so who can complain. Moreover, a few also found that the heater does not, the remote can change temperatures without adjusting dip switches in the main unit. Moreover, they strongly agree that this unit is a high efficiency heater and exhaust temperatures are low. To sum up, buyers found this to be one of the best heaters for daily purposes.

Top Customer Quotes:
  • This is easy to configure and maintain, and works consistently.
  • It is plenty hot and it is very happy.
  • This allows for remote control and it is great for long showers.
  • This will heat your water up 35 to 40.

Best For Stainless Steel: Fogatti Direct Vent Hot Water Heater

Fogatti Direct Vent Hot Water Heater
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The Fogatti Direct Vent Hot Water Heater's material feels more premium than its price would suggest. The fogatti direct vent hot water heater works fantastic, It is white and has a safe design. Please note damages caused by freezing are not covered under the tankless water heater Warran Ty as an industry standard. Further, the heater heats up quickly, it is very happy and has a controller design.

The heater is for overheating protection, It comes with a flow sensor and has an efficient design. Moreover, it is easy to adjust, is portable, it comes with excellent quality and has a portable design. Above all, the fogatti directvent hotwater heater features multiple safety protections and also comes with 7.0 gpm and 170, 000 btu heating capacity through natural gas intake, It is suitable for 3-4 outlets for the whole family.

Almost all buyers found that the heater works with a very great mechanism. In addition, they strongly agree that the heater allows the gases to go true and close when they stop. Also, a few say that the heater has two layers to prevent condensation from building up and falling back into the unit. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This is three inches iirc and also has a built - in exhaust fan.
  • This is an insta hot liquid propane water heater without a water tank.
  • The instant hot water heater is made by a famous factory in China.
  • This allows you a constant supply of hot water.

Best For Overall Length: Ez Tankless Direct Vent Hot Water Heater

Ez Tankless Direct Vent Hot Water Heater
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The Ez Tankless Direct Vent Hot Water Heater's superior materials make sure that it ages well with use. The ez tankless direct - venthot water heater is an excellent choice for conservative - minded people living in homes with one or two baths. The Manufacturer says: Extensively tested in our USA laboratory and in our own homes, this model delivers up to 3.4 gallons per minute (at a 45f temperature rise) of consistent and continuous hot water. The ez ultra waterheater includes a stainless steel vent for horizontal venting, but requires the purchase of 2 " pvc for vertical venting.

The heater can be vented horizontally or vertically using a 2" solid core schedule 40 pvc/cpvc. Further, it works perfectly, is fully automatic, it is good for space savers and has a controller design. Above all, the ez tankless direct vent hot water heater is turned off, the tankless heater will automatically extinguish itself.

Most customers find that the heater protects them from freezing backdrafts. Further, a few strongly agree that the heater is suitable for users living at high altitude or those using well water with older or less powerful pumping systems. Moreover, a few also found that the heater has to be in a large room or a room with good ventilation. In short, for almost all customers, Ez Tankless product was just what they wanted.

Top Customer Quotes:
  • This comes with the ability to vent using a 2" sch.
  • Capacity up to 3.4 gpm @ 45f rise in ambient temperature.
  • Back-draft prevention device and a stainless steel horizontal vent pipe are included.
  • can be answered by asking yourself a few simple questions.

Best For High Efficiency: Noritz Water Heater

Noritz Water Heater
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The Noritz water heater has killer features for the price point. The Noritz Water Heater is false and has a low nox design. Make sure this fits by entering your model number. And, this comes with flow rates of up to 6.5 gallons per minute. The nrc66dv delivers the highest flow rates in its category and can be vented using 3" schedule 40/80 pvc, pp or cpvc.

The heater has been an innovator in the water heating industry for over 60 years. Further, it is a fully condensing tankless water heater with an advanced heat exchanger design and built-in controller. Most importantly, the noritz water heater is built with outstanding performance, It is very happy and has a controller design.

One customer says - "Make sure you buy the valves with it. ". Most buyers agree that the heater maintains good water temperature when running 2 showers.

Why We Like This:
  • These include rain cap (prc-1), atmospheric conversion kit (svck-3) and horizontal termination/intake pvt-hl.
  • can be vented with a scheduled 40 pvc pipe and fitting.
  • Remote thermostat & 6' power cord included.

Best For Energy Conservation: A. O. Smith Direct Vent Hot Water Heater

A. O. Smith Direct Vent Hot Water Heater
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Next on the list, we've got yet another heater that manages to win our hearts. It's the A. O. Smith Direct Vent Hot Water Heater and it's widely considered as the heater that has the most suitable features. The a. o. smith direct vent hot water heater provides superior corrosion resistance to industry-standard glass lining. The manufacturer says: And, our specialty vent gas water heater options can be installed almost anywhere in your home because they can vent up to 40 feet. Also, this was installed today and it is great for energy conservation.

Above all, the a. o. smith direct vent hot water heater provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response.

Almost all customers opine that the heater is up and going and is working and is producing some really hot water.

Why We Like This:
  • meets all current regulations set forth by the national appliance energy conservation act (naeca).
  • This is made from long-lasting pex cross-linked polymer.
  • Good brand reputation.