Best Direct Vent Water Heater Reviews (2019)

0

The abundance of water heaters available in the market today could make it confusing to make the perfect choice of a direct vent hot water heater. This is why our team of expert decided to do the hard work for you.

We have structured our direct vent water heater review such that it will hold you by the hand in getting the best one to serve your needs. Hence, you do not have to sweat much. All that is required of you is to read this review.

We have perused real user feedback to extract facts about the various products selected. Our tech team has also examined multiple questions and answers from various users to bring to you a helpful and comprehensive review.

Here is our findings for the best rated direct vent tankless water heater reviews available in online. There are options for all size households and applications. If you need help in knowing more about direct vent water heaters and how to choose the right one, after the review we answer some of the most frequently asked questions and give some pointers on how to choose the right one for your household.

Comparison Table Top Direct Vent Water Heater 

Name Rating Prices Fuel Type Application type Location
Takagi T-KJr2-IN-LP 4.2 out of 5 stars (4.2 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Propane Point of use Indoors
Rheem RTGH-95DVLN 9.5 4.2 out of 5 stars (4.2 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Whole House Indoors
Takagi T-H3M-DV-N  4.7 out of 5 stars (4.7 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural
Takagi T-K4-IN-NG  4.2 out of 5 stars (4.2 / 5)

Read Reviews

CHECK PRICE ON AMAZON Natural gas Whole house Indoors
EZ Deluxe  4.6 out of 5 stars (4.6 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Propane Whole house Indoors
Noritz NRC66DVNG  4 out of 5 stars (4 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Indoors
Rheem RTG-84DVP  4.3 out of 5 stars (4.3 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Propane Whole house Indoors
Takagi T-KJr2-OS-NG  4.2 out of 5 stars (4.2 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Single Point or Multipoint Outdoors
 

EZ Deluxe – 3.4 GPM

 3.6 out of 5 stars (3.6 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Indoors
EZ Supreme – 6.4 GPM  3.7 out of 5 stars (3.7 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Indoors

Direct Vent Water Heater Review

In this sections we will go through each model that is selected and go through the specifications, pros and cons of each. This is not in any order whatsoever. First on the list is:

1

Takagi T-KJr2-IN-LP Indoor Tankless Water Heater

  • Fuel Type: Propane gas
  • Application Type: Point of Use
  • Location: Indoor
  • Btu: 140,000
  • Gpm: 6.6
  • Voltage: 120 Volts
  • Energy Efficiency: 81%
  • Size: 7 x 13.8 x 20.3 inches
  • Weight: 40 pounds
  • Display: Digital
  • Warranty: 10-year heat exchanger and five-year parts

First, on our list of gas water heater direct vent is Takagi T-KJr2-IN-LP. This is a small compact unit powered by propane, which uses a 4-Inch category III stainless steel venting required system. It is a recommended water heater as it does not require much maintenance and can handle two showers at a time.

While the mode of operation is pretty similar to that of natural gas, it employs stainless steel for its fumes. It gives temperatures above 150F, fit to take care of your shower, dishwasher and many other household needs. You get to adjust the outlet water temperature via a switch on the unit. There is a remote control for easy access. We love the many impressive safety features like freeze, surge, and overheat protection.

With a maximum power output of 140,000 btu per hour, it can handle all you throw at it. The unit is easy to install as it comes with a detailed manual that will walk you through the process.

I am text block. Click edit button to change this text. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

PROS:
  • Impressive safety features
  • Low noise
  • Compact size
  • Simple installation

CONS:
  • There could be a delay in flow for large use

User Rating:

4.2 out of 5 stars (4.2 / 5)

2

Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

  • Application Type: Whole House
  • Location: indoor
  • Fuel type: Natural gas
  • Btu: 199,000
  • Gpm: 9.5
  • Energy Efficiency: 94%
  • Size: 5 x 9.8 x 27.5 inches
  • Weight: 79 pounds
  • Display: LED
  • Warranty: 12 years

This direct vent tankless heater, Rheem RTGH-95DVLN  is targeted for people who live in large houses. With an impressive flow rate of almost 10gpm, it can serve many points at a time. An overall energy capacity of 94% allows it handle all you throw at it. It is powered by natural gas and employs the right vent exhaust system.

Rheem RTGH-95DVLN features an intelligent control system. This enables it to save energy without sacrificing efficiency. With a led display on the unit, you can monitor the temperature of the device. There is a remote control with which you control the temperature with ease.

This direct vent heater is suitable for residential and commercial operation. It can be installed anywhere and comes with impressive safety features that make it safe for the user. It is intelligent with the capacity to alert you of any malfunction in the venting or piping system. Besides, the device enjoys government certification.

PROS:
  • High efficiency
  • Remote control
  • Compact design
  • High flow rate

CONS:
  • Installation cost a little on the high side.

User Rating:

4.2 out of 5 stars (4.2 / 5)

3

Takagi T-H3M-DV-N Condensing Direct Vent Tankless Water Heater, Natural Gas

  • Fuel Type: Natural Gas
  • Application Type:
  • Location:
  • GPM: 6.6 gpm
  • Energy Efficiency:
  • Size: 8 x 13.1 x 29.5 inches
  • Weight: 49 pounds
  • Display:
  • Warranty:

With an impressive gas capacity of 120,000 BTU, this Takagi T-H3M-DV-N can handle all your hot water need. It is a natural gas water heater that can handle two bathrooms at the same time. It can be used for almost all forms of heating applications like storage tanks, radiant floor system, and other forms of domestic heating system.

This is a very efficient unit that can handle two bathrooms in warm climates and a single bathroom in cold climates. It is a condensing tankless water heater perfect for residential applications. It comes with impressive safety features that make it safe and suitable for indoor use.

It uses the category IV venting system. It is flexible hence, can work with either of CPVC, PVC or ABS piping system. It comes with an array of accessories needed for seamless installation. Overheat protection, and internal freeze protection, etc. are some of the impressive safety features of this unit.

PROS:
  • Users qualify for a rebate
  • Safety features present
  • Comes with necessary installation accessories.
  • Energy start certification
  • Impressive user experience

CONS:
  • Self-installation voids warranty

User Rating: 

4.7 out of 5 stars (4.7 / 5)

4

Takagi T-K4-IN-NG Indoor Tankless Water Heater, Natural Gas

  • Fuel Type: Natural gas
  • Application Type: whole house
  • Location: Indoor
  • GPM: 8.0 GPM
  • Energy Efficiency: 82%
  • Size: 5 x 13.8 x 20.5 inches
  • Weight: 43 pounds
  • Display: Digital
  • Warranty: 12-year heat exchanger, 5-year parts and 1-year labor.

Still in the list of our direct vent water heater review is Takagi T-K4-IN-NG. This is an indoor unit powered by natural gas. It is an improvement to the T-K3 model and is one of the smallest in the Takagi series. It is fit for wall installation, with an efficiency of 82%. Hence, it is safe for the environment and very efficient.

Takagi claims that with this unit, you get to save as much as 45% on your monthly bills. Even with its small size, and an impressive flow rate of 8 GPM, it can handle 2 to 3 bathrooms comfortably. The maximum power output is 190,000, making it suitable and capable to take care of all your hot water needs.

This is the ideal unit for residential applications and radiant heating application. There are an exhaust and outlet water temperature safety control. It is light, with extended warranty periods and impressive power output

PROS:
  • Pretty straightforward installation process
  • Price is reasonable
  • Unlimited supply of hot wate

CONS:
  • Water takes a little while to travel to the faucet where needed
  • Temperature drops with excessive use

User Rating: 

4.2 out of 5 stars (4.2 / 5)

5

EZ Deluxe Tankless Water Heater – 3.4 GPM – Propane (LPG) – Indoor Whole Home – FREE DIRECT VENT EXHAUST INCLUDED

  • Fuel Type: Propane
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 3.4 GPM
  • Energy Efficiency: 88%
  • Size: 6 x 16 x 24 inches
  • Weight: 31 pounds
  • Display: LCD
  • Warranty:

Still on our list of is direct vent water heater is EZ Deluxe by EZ. This is a whole house tankless water heater powered by propane gas and come with amazing features that make it stand. With an impressive power of 87,500btu/hour, it can handle two bathrooms, giving a temperature rise of 45F. It comes with a special direct vent kit that serves both intake and exhaust air.

It does not make use of any indoor air and uses a single hole in the wall. The device is fully automated, with the capacity to shut down the operation on closing the tap. It comes with automated gas valve that adjusts the burner to the heat exchanger based on the flow of water. All you have to do is set the temperature on the LCD screen. The unit takes up the rest.

It uses a 110-volt power supply and comes with surge protection. It is best vented horizontally through a wall exterior to the outside. It is not designed for vertical venting

PROS:
  • Fully automated device
  • Impressive saving on natural gas
  • Fairly easy to install

CONS:
  • Need for extra accessories

User Rating: 

4.6 out of 5 stars (4.6 / 5)

6

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM – Natural Gas

  • Fuel Type: natural gas
  • Application Type: Whole house
  • Location: Indoor
  • GPM:6.6 GPM
  • Energy Efficiency:
  • Size: 7 x 13.8 x 23.6 inches
  • Weight: 39 pounds
  • Display: Digital
  • Warranty: 12 Year Heat Exchanger, 5 Year Parts, 1 Year Labor

This is a direct vent natural gas water heater made by Noritz NRC71DVNG. It is your ticket to an endless supply of hot water for all your residential use. This is a fully condensing tankless water heater that comes with an outstanding heat exchanger system, alongside a built-in controller. It is one of the natural gas tankless heaters that delivers the highest flow rate in its class.

It is a direct vent water heater and can be vented with any of 3″ Schedule 40/80 PVC, PP or CPVC. You can get creative with the venting with various adapters and termination system. Major essential installation accessories like a 6 inch power cord and horizontal termination/intake PVT-HL. Etc.

Installation is pretty straightforward. Most of the necessary accessories for installation comes with the device. It comes with an instruction manual that’s pretty easy to understand.

PROS:
  • Highly efficient unit
  • Quiet operation
  • Small footprint
  • Comes with easily understood manual

CONS:
  • There might be a slight delay before hot water starts flowing

User Rating: 

4 out of 5 stars (4 / 5)

7

Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater Liquid Propane Energy Star 8.4 GPM

  • Fuel Type: Propane
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 8.4 GPM
  • Energy Efficiency:
  • Size: 9 x 13.9 x 23.6 inches
  • Weight: 62 pounds
  • Display: LCD
  • Warranty: 12 yr heat exchanger, 5-year parts, and 1-year labor.

Also on our list is a direct vent tankless water heater powered by propane. Known as Rheem RTGH-84DVP, it is one of the tankless water heaters with many high-end features. This explains why it is the favorite of many people considering a tankless water heater. It is energy saving as it gives impressive saving on propane and can serve three bathrooms in a hot climate and two bathrooms in warm climates.

One of the selling points is the impressive water saving function. With this, users can save over a thousand gallons of water per year. This is because of the heater’s capacity to regulate water flow through the pipe till the preset temperature is gotten. The unit also comes with all the essential accessories that make installation easy and fast.

This is a smart feature that alerts users when it is time for maintenance. With the remote control, you can set your preferred water temperature within 10 feet of the device. There is antifreeze protection and other impressive safety features.

PROS:
  • Energy Star certified
  • Space saving
  • Impressive saving on propane gas
  • Environmentally friendly
  • Antifreeze protection and other safety features

CONS:
  • Need for extra installation accessories

User Rating: 

3.9 out of 5 stars (3.9 / 5)

8

Takagi T-KJr2-OS-NG Outdoor Tankless Water Heater, Natural Gas

  • Application Type: Single Point or Multipoint
  • Location: Outdoor
  • Fuel: Natural Gas
  • Btu: 19,500 – 140,000 BTU/hr
  • Gpm:6 GPM
  • Energy Efficiency: 82%
  • Size: 20.5″ H x 13.8″ W x 6.7″ D.
  • Weight: 38 pounds
  • Display: Digital
  • Warranty: 12-year heat exchanger, 5 year parts, and 1-year labor.

Takagi T-KJr2-OS-NG is one of the best direct vent gas water heater. It is a tankless unit powered by natural gas, portable and comes with plenty sophisticated technology to deliver hot water on demand, at an impressive flow rate.

With a maximum power output of 140,000 BTU/hour, Takagi T-KJr2-OS-NG can handle all your hot water need. It is compact, effective, easy to install and fit for outdoor installation. The flowing rate is high and powerful enough to serve multiple units at once.

It features a fully modulating burner that keeps the burner and gas in control. There is a remote control that allows you to control the outlet water temperature. It can be converted into a direct vent system and pretty cost effective.

PROS:
  • Cost efficient
  • Environmental friendly
  • Highly reliable and durable
  • Impressive saving on energy bills

CONS:
  • Need for additional installation accessories

User Rating: 

4.2 out of 5 stars (4.2 / 5)

9

EZ Deluxe Tankless Water Heater – 3.4 GPM – Natural Gas (NG) – Indoor Whole Home – FREE DIRECT VENT EXHAUST INCLUDED

  • Fuel Type: Natural Gas
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 3.4 GPM
  • Energy Efficiency: 88%
  • Size:
  • Weight: 31 pounds
  • Display: LCD
  • Warranty:

In the class of the natural gas direct vent water heater review is EZ Deluxe Tankless Water Heater. This is a whole house tankless water heater with enough capacity to handle your moderate hot water need. At a maximum output power of 87,500 btu/hour, it can handle two bathrooms and all you throw at it.

It comes with a unique direct vent system which allows for both intake and exhaust vent system in a single pipe. You need not drill more than one hole in your wall. It does not contaminate or suck in indoor air. It gives a temperature rise of 45F. The entire unit is fully automated once you set the outlet water temperature.

Energy loss or pilot light is eradicated. There is a computer regulated gas valve that controls the burner based on water demand. This leads to impressive saving on natural gas. There are safety features, and it requires a 110V power supply. It only vents vertically.

PROS:
  • Impressive saving on natural gas
  • Fully automated unit
  • Does not contaminate indoor ai

CONS:
  • Direct vent heater part is scarce

User Rating: 

3.6 out of 5 stars (3.6 / 5)

10

EZ Supreme Tankless Water Heater – 6.4 GPM – NG Natural Gas – Indoor Whole Home – Direct Vent Exhaust Included

  • Fuel Type: natural gas
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 6.4 GPM
  • Energy Efficiency:
  • Size: 5 x 14.5 x 26.5 inches
  • Weight: 49 pounds
  • Display: LCD
  • Warranty: 1 Year Free Product Replacement Warranty

In the class of direct vent, a natural gas tankless water heater is EZ Supreme. It is one of the most potent water heaters designed to serve the needs of big households. With an impressive power output of 165,000 btu per hour, this unit can effortlessly serve up to 4 bathrooms. It gives remarkable and noticeable saving on energy and water heating bills, as there is no standby loss.

It comes in a sleek design alongside a digital control panel that allows you to control the entire system. It comes with a direct vent exhaust system, which makes it compact with high efficiency. The system uses a sealed dual chamber which brings in combustion air and an exhaust pipe system. The entire unit comes with a sophisticated design that makes hot water available on demand with high efficiency.

Users can return the unit within 30 days of purchase should there be any complaint. All necessary installation accessories are included as well.

PROS:
  • The instant flow of hot water within seconds
  • Users enjoy a reduction of 11.5% on energy
  • User-friendly setting
  • Portable and sleek in design
  • Capable of running on 2D batteries in the absence of propane gas

CONS:
  • The need for additional venting system makes it an expensive heater.
  • You will need to hire an expert to do the maintenance for you which is costly

User Rating: 

4.7 out of 5 stars (4.7 / 5)

Frequently asked questions 

What is a direct Vent Water Heater?

A hot water heater that run on gas – propane or natural gas does need a venting system. This comes in the forms of pipes and ducts to get rid of exhaust gas and heat from the house.

The venting system could be made of metal or other material, and it is a matter of the type of venting system you choose. Some ducts go directly to the outside while others might be linked to other vent system called vent configuration.

For the water heater to work at optimum capacity, direct vent heating system requires enough fresh air. This is needed for combustion and ignition. The air for combustion is sucked in through the venting system.

The vent system of a direct vent hot water heater usually uses a sealed combustion chamber. With this, the products of combustion are safely transferred through the pipe and external wall.

With a direct vent hot water heater, you get to solve two problems which do come with atmospheric models: negative pressure from the point of installation and backdrafting.

Advantages of a Direct Vent heating System

  1. A direct vent water heater is safe because the sealed combustion chamber expels all dangerous fumes from the house.
  2. While direct vent water heater comes with steel pipe, it can also use PVC, ABS, or CPVC pipes. This allows for easy and economical installation
  3. There is no need for blower or chimney for the exhaust system. Besides, it does not require electricity to power it which translates into the low overall cost
  4. It can be used even in the absence of a chimney system. Besides, it does not use electricity in driving out used gas.
  5. Direct vent tank or tankless water heater can be installed near the outside wall.

How to Select the Right Direct Vent Water Heater 

Direct vent water heater comes in different size and rating. We, however, advise that you get the value of the flow rate you want and the average temperature needed rise for the entire house. In summary, the following discusses how to select a direct vent water heater

  1. Decide if you want a single point or a whole house unit. This is necessary for getting an accurate value of the flow rate for the heater
  2. With the temperature of the incoming water, decide the average temperature rise you desire from the water heater. This can give an idea of the water heater brand that will serve you appropriately.
  3. Select a preferred location. It could be inside or outside depending on the type and brand of tankless water heater you decide to go with.

Conclusion

A direct vent water heater is a good idea in terms of space saving, easy installation, and reduced installation cost. The top direct vent tankless water heater available in the market has been reviewed. We hope this review will guide you into making a careful selection.

%d bloggers like this: