Hot water is life! Going through cold temperatures without a water heater is a pain. Cold showers in freezing temperatures are not ideal at all. Water heaters come in a lot of different types such as power vent, direct vent, standard or atmospheric, and power direct vent. However, let’s look at direct vent water heaters today. A direct vent water heater warms up water with the combustion of gas burning. This method will help save you some numbers on your electricity bill.
Direct vent water heaters are flexible and convenient household appliances as they do not require could work with or without a water tank. It heats up water quickly and efficiently uses the power resource. It tends to run quieter than the power vent type. Keep in mind that a direct vent water heater will require space for airflow. It is mostly secured as the gas chamber is tightly sealed and airflow is exchanged throughout.
In order to buy the best one for your home, you will need to research and get some information. It is important to get the right water heater so that you can fully be immersed with your hot showers. The following list will roughly give you 10 of the best direct vent water heaters you can buy. A buying guide will also be included to help you get through and make the best purchase for your bucks.
List of the 10 Best Direct Vent Water Heaters 2021
10. Takagi T-H3M-DV-N Condensing Direct Vent Tankless Water Heater, Natural Gas
This direct vent water heater does not require a water tank. Manufactured in Japan with over the top quality and great features. It includes safety features that detect gas leaks, water & exhaust temperature control and core freeze safety system. It automatically will shut down by itself if overheating is detected. It can deliver hot water home water systems straight away or after being stored in a water tank. It is suitable for use alongside other systems like recirculation, radiant floor, hydronic heating, local and heating uses. It uses energy efficiently.
This device can be conveniently placed in small housings and limited spacing residences. It is reduced in size that will function without an additional water tank. It can heat up water quickly and thoroughly for two restrooms. Its exhaust uses a power direct opening design. This device will also come with an outlet and inlet thermistors for monitoring temperature continuously.
9. Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater
This product will incredibly save your cost on electricity. It claims to efficiently use 94% of the energy through its condensing stainless steel heat exchanger. It can use energy efficiently due to its smart control feature that manages energy proficiently and safely.
The manufacturer ensures that this device meets extensive quality standards in the industry that you can surely rely on. They are a lot of superior features with a system that can self-diagnose making it convenient for installing and maintaining. There is also a digital panel that displays temperature configuration and repairs codes. An electronic blower is integrated with the device as well.
It uses a system that directly vents exhaustion that is designed for PVC pipe. You can also connect two tankless units to work as one by using the given cable. This water heater can operate even in a high elevation area 9,840 feet above sea level. On top of all these features, you can control with a digital remote. A thermostat wire is also included.
8. Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater Liquid Propane Energy Star 8.4 GPM
Another model from Rheem, this water heater is also a direct vent water heater. It significantly emits low nitrogen oxide levels that could pose health risks if present at higher levels. Certified by Energy Star that proves energy efficiency. This model will require you to have a kit for terminating the vent. This direct vent water heater burns on propane gas and does not require a water tank.
It consistently heats water and provides good continuous flow throughout. You can get hot water out of the tap for your home uses without a delay. Its compact design allows space saving and condensed setup. A digital display shows precise temperature settings for your water.
A warranty from the manufacturer will cover the heat exchange for 12 years, 5 years on spare parts and 1 year on maintenance. The warranty is only valid if you have your unit installed by a licensed technician. Shower at ease and enjoy endless warm water!
7. EZ Deluxe Tankless Water Heater – 3.4 GPM – Natural Gas (NG) – Indoor Whole Home
Also another water heater that uses direct vent exhaustion and requires no water tank. This deluxe model manufactured by EZ is slimmer than the classic model that they have. It can generate sufficient hot water to supply two bathrooms in one household. It includes a built-in LCD display panel that lets you control your water temperature. The system is fully functional by itself so it will turn off or turn on instantly when you turn the tap. It will heat water rapidly according to the temperature you have set on the LCD screen.
This water heater has an efficiency rating of 88% proving that it will help you save on the bills. Do keep in mind that the vent of this water heater must be structured horizontally. The exhaustion and aeration takes place in the intake and outtake tube giving in the package. This appliance runs on natural gas and not propane.
6. EZ Supreme Tankless Water Heater – 6.4 GPM – NG Natural Gas – Indoor Whole Home
A different model from the manufacturer EZ. This model is a more powerful upgrade from the previous deluxe version. Thus, it can generate sufficient hot water to supply four bathrooms in one household. It is designed to meet the needs of larger residences.
It can deliver about 25 liters of hot water per minute continuously and consistently with no interruption or long wait time. It does not require a water tank either. This unit is convenient as it can be installed easily and simple to set up. It is equipped with a computer chip for precise control of temperature, water flow and gas combustion resulting in high efficiency.
Water pressure will not affect the function of this water heater as it can pump up water and ensure a consistent water flow for your usage. Its system automatically adjusts the gas supply and fan exhaustion. Incorporated with artificial intelligence technology, this unit will remember the setting of the temperatures you last set before shutting down and use the same setting once it is turned on again.
5. Rheem RTG-95DVLN 9.5 GPM Low NOx Direct Vent Tankless Natural Gas Water Heater
A variation from the previous models mentioned in this list. This water heater runs on natural gas. It includes a remote control and a 3 meters long thermostat wire for free along with the purchase. This water heater has an integrated reducing collector and a compact vent system.
The manufacturer offers a warranty covering the heat exchange for 12 years, 5 years on spare parts and 1 year on maintenance. Although, the warranty is only valid if you have your unit installed by a licensed technician.
4. Rinnai V65iN High Efficiency Tankless Hot Water Heater, 6.5 GPM – Natural Gas: Indoor Installation
This water heater is manufactured by Rinnai, a pronounce Japanese household appliance company. It functions on combustion of natural gas. It does not require a water tank but must only be installed inside the house. Great efficiency in providing hot water for your household steadily and constantly. It integrates a modern technology system that allows you to control and time your water heater through a mobile app.
Every part of this device is replaceable meaning that you can fix it part by part instead of buying a whole new water heater. Its design is compact requiring little space for installation. It rapidly heats up water on demand. The manufacturer also offers a warranty that will cover the heat exchange for 10 years, 5 years on spare parts and 1 year on maintenance.
3. EZ Deluxe Tankless Water Heater – 3.4 GPM – Propane (LPG) – Indoor Whole Home
Similar to the supreme model, this unit is a smaller version. It shares a lot of functions from the supreme version except that it only can power enough hot water for 1 to 2 bathrooms in a household. It features a dual chamber that transfers exhaustion out and air in through two valves that are provided in the package for free. It functions automatically according to the opening of the water tap.
Water temperature setting can be set on the attached LCD display. Also equipped with AI technology, you do not have to reset the temperature settings again and again. It will simply memorize the last setting and reboot the setting accordingly once you turn it on.
2. Rheem RTGH-90DVLN Prestige Indoor Condensing Ultra Low NOx Natural Gas Tankless Water Heater, 9.0 GPM
This model is an indoor unit with a direct vent system that requires no tank. It has a great energy efficiency of 94% that could be achieved by condensing with a heat exchanger made of stainless steel. It features an electronic blower and a double pipe direct vent system. A digital display shows precise temperature settings for your water and repair codes for maintenance. Easy installation process since the device can self-diagnose.
1. A.O. Smith GPVL-50 ProMax Power Vent Gas Water Heater, 50 gal
A perfect water heating solution for a huge household in need of a reliable water heater. This device can be installed just about anywhere in the house that has available space. It is not picky of setup space because the vent design can exhaust up to 40 feet. It draws air from the outside and helps ventilate the indoor space through its dual pipe vent system.
This device is well insulated to help increase energy efficiency and reduce heat loss during the process of gas combustion. It is flexible due to its 3-ways rotational blower outlet. This device requires a water tank to function with.
How to buy a direct vent water heater for your home?
In order to purchase a water heater suitable for your home and needs, it is good to know how it functions, its key parts, necessities for its setups, the cost of maintenance and repairs, and the warranty. You should consider the installing site before buying the water heater because the water heater and its vent should be properly placed.
It should also matter what type of the fuel will be used; liquid propane gas, natural gas, or gasoline. Direct vent water heaters are available in tankless or tank type units.
Type of exhaustion
Some models will have a built-in electric blower for exhaustion. While some are designed with airtight sealed combustion chamber. The ones with the electric blower will be louder when they operate. While the ones without electric blowers are quiet. It will still function and vent without any issue. Proper ventilation is required so you will have to pick between a quiet or loud ventilation.
Some types of direct vent water heaters can be installed close to an outside wall while others are indoor units. Some require a tank while others can function without one.
You need to make sure that it comes with safety features. It is usually safe due to a sealed burning compartment that stops the exhausts from going back into the house. Most units pump air from outside the house leaving the air inside the house fresh and ventilated. If a model comes with safety features, do not hesitate to consider the extra caution for your home.
Most of the time direct vent water heaters are equipped with the steel pipes, However, in some cases PVC, CPVC or ABS pipes can be used for an easy and cheaper installation. The direction of the pipe’s installation is to be determined by the requirements for installing the device. Some can be done horizontally while some are restricted to vertical placement only. No matter the direction, the pipe installment should be very direct to save cost. Vent termination kit is required in most cases as the vent system must be properly clear and clean. It can cause damage and hazards on your home and device if the pipes are clogged, blocked and condensed.