The Best Tankless Water Heater Reviews 2018

What is the best tankless water heater on the market you can buy? There are certainly lots of choices when it comes to picking an on demand hot water heater to keep you and your family comfortable AND save money on your utility bills.

We have done the research of some of the best tankless water heaters to make sense of the best choice for your particular needs. Regardless of whether you live alone or in a larger house with a considerable number of people, one of these on demand hot water heaters will be the correct one for you.

The Best Tankless Water Heaters

Rheem RTEX-13 Tankless Water Heater (New model!)Check Price!
EcoSmart ECO 27 Electric Tankless Water HeaterCheck Price!
Takagi T-KJr2-IN-NG Indoor Tankless Water HeaterCheck Price!
Rheem RTGH-95DVLN 9.5 GPM Tankless Natural Gas Water HeaterCheck Price!

Rheem RTEX-13 240V Heating Chamber Residential Tankless Water Heater

  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Durable Copper immersion two heating elements, field Serviceable
  • Simple installation – 3 foot electric cable and 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f*
  • Threaded for easy replacement, simple installation, digital temperature display

EcoSmart ECO 27 Electric Tankless Water Heater

  • Digital temperature control in 1-degree increments allows control of hot water
  • Copper and stainless components designed for efficiency, durability and easy replacement
  • Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye

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

  • 140,000 BTU
  • 6.6 GPM max flow rate
  • 4-Inch category III stainless steel venting required
  • Inlet, outlet thermistors for constant temperature monitoring

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

  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Low Nox Version

Why Install A Tankless Water Heater?

If you’re already looking finding the best tankless water heater, you’ve most likely caught wind of the considerable advantages. You know these units will spare you a lot of cash on your service charges over the long haul – sparing most purchasers an average of 1/3 their fuel costs!

You additionally realize that they can possibly give unlimited on demand hot water. They’re not restricted by their tank measure, which implies you won’t have any cutoff points on the measure of heated water you can get.

How Does A Tankless Water Heater Work?

If you are wondering how does a tankless water heater work, here is a short video that does a good job of explaining in.

The Pros and Cons of Switching to an On Demand Tankless Hot Water Heater

PROS

There are many advantages to going with a tankless water heater. From increased energy efficiency and lowered operating costs to space savings and extended lifespan, find out more about what makes for good reasons to go tankless.

Energy Savings / Operating Costs

The first thought on tankless water heaters is generally: how much energy/money am I going to save? Well right off the bat, you’re going to be spending more money to get a tankless water heater and all its plumbing in place. While a tankless water heater costs more upfront, your operating costs down the line should start to make up for it. What you’re saving is in not having to spend money on standby heat, meaning you’re not wasting money heating water in a tank that’s just sitting idly waiting for someone to need hot water. Tankless systems provide that hot water on demand, instantaneously, when you need it, so you don’t have to waste energy heating unused water. You’re also not losing heat that’s idly sitting in a tank that, while insulated, is still going to lose heat and require constant reheating.

Lifespan

While a typical tank water heater is supposed to last 10 to 13 years, tankless water heaters are estimated to last up to 20 years. If you’re planning to stay in your home for a while, that’s a hefty replacement fee you’re saving. Even if you’re not going to stay in your home for that long, it’s nice to pay it forward towards the overall cost savings of home ownership.

Space Savings

Even if you weren’t concerned about saving money and energy, one of the big advantages of tankless water heaters is the potential space savings. Traditional water heaters with 40 to 60 gallon capacity are generally around 60″ tall and 24″ wide. That bulky metal tank can take up precious real estate in a home where space is at a premium. A tankless water heater, in comparison, might be the size of a large computer, perhaps 20″ wide by 28″ tall and just 10″ deep.

CONS

While the case for tankless water heaters might sound like a no brainer, there are several reasons why going this route might not be for you.

Limited Output

A big tank water heater that stores 40 to 60 gallons of hot water at a time will keep your showers, laundry, and other hot water needs properly satisfied for quite some time. Modern tanks reheat additional supply quite quickly as well, so you’ll quite likely never run out of hot water when you need it. A tankless water heater has a throughout limit, able to supply a few gallons of hot water at all times but also at a time. So if you have a large family and everyone’s taking a shower, doing the laundry and dishes at the same time, a tankless water heater might not be up to the task or suitable for your family’s particular needs.

Additional Cost

While a typical tank water heater might be as cheap as $300-$400, they can price out up to $1,000 depending on options. But if you consider the best tankless water heater(s) may start close to $1,000(for a family with heavy use), you’ve got a pretty big difference in price tag. Of course, the idea is to make up for that extra cost as you use less energy along the way, but still, having to put up that money up front isn’t always an option for everyone.

Instantaneous Energy Requirement

A traditional gas water heater might use 30,000 to 50,000 BTU of natural gas or propane while it’s heating up your water. A tankless hot water heater might require perhaps 150,000 to 200,000 BTU to do the same as it heats up your water on demand. Sometimes this high BTU requirement isn’t possible where there’s a low pressure main. If you consider switching to electric instead of gas, you’ll need to be sure that your electrical system is up to the task. The price of electricity is usually higher than natural gas in many areas too, so you’ll need to consider the cost of energy as well. The best advice here is to talk to a certified installer to help you to decide on what is the best tankless water heater to suit your needs.

Conclusion

We hope this list of the best tankless water heater reviews has helped you narrow down the type of on demand hot water heater you are looking for, or even pointed you to a model that suits your specific needs.

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