Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater

In America heating water accounts for the second largest expense after space heating and cooling. A water heater is so important to the users that it can significantly affect the resale value of your home. When you choose your water heater you certainly keep in mind about the utility bill as well as the initial price of the water heater. This is why Tank less water heaters is becoming more and more famous now a days. These tankless water heaters are expensive by price and by installation cost than traditional tank water heaters, but the after math proves tank less water heaters to be 30%-50% less energy consuming. Less energy consumption ultimately paves the way to spend less on monthly utility bill. Well all tankless may not save that much but Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater claims to save significant energy in every month since installation.

Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater

Immediate hot water

This tankless unit has smart flow technology this technology let you have hot water immediately after the faucet is opened. So the wait for the hot water for 10-20 seconds is easily bypassed.


Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater is acclaimed as being more durable. It has an interior assembly of stainless steel which allows for resistance from corrosion and higher heating efficiency. With less corrosion, life expectancy automatically goes up. Corrosion free interior also allows for less maintenance over the life of the water heater.

Advanced Thermo Pro self-modulating system

Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater has this advanced Thermo Pro self-modulating system that dominates how much energy is required to heat the water. Thus significant energy level is conserved.

Splash Proof

This European tankless water heater is IP54 certified, which means no chance of hot water to press cold water in the cold water inlet and causing internal water dripping. This feature keeps inside the water heater dry and cool. This feature ensures safety issues and reduces risk of accidents. Also you do not have to spend extra on trays to place in bottom of the unit to save that place from getting wet.

Digital display

It comes with an easy-to-use digital panel. This display gives you ultimate pleasure of controlling it and being able to have a shower at a desired temperature.

Space saving

With 17.4 x 5.2 x 13.4 inches dimensions and 17 pound weigh this water heater is very compact and saves remarkable space of you home. You can easily put it inside your home without any headache of how far from window to place it, or how much space to leave from ceiling or floor because this electric unit requires no venting.


  • Good package on warranty issues, 7 years against leakage and 2 years on parts
  • Workable for cold weather like 37 degree
  • Easy installation
  • Self-modulating system
  • Temperature overheat protection
  • No venting required

Cons with solution

Too many applications cannot run at a time

Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater has a 4.5 GPM. This cannot support many appliances at a time.


4.5 GPM is relatively less in compare to some other water heaters. However in USA an average standard shower head has 2-25 GPM flow rate, a sink has 1-2 GPM, a hand wash basin has 0.5 GPM,a washing machine has 1.5 GPM.

In this context you can figure out how many applications can work at a time. If I am not wrong than- it is 3 application at least a shower, a basin, a washing machine. If your home has water saving shower head than you can use two shower head at a time too, along with a washing machine or 2 basins.

Not suitable for big home

This is a mid range water heater so if you are planning to install it in a home with 2000 square ft or at home with high need of hot water it may disappoint you.


Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater has a very transparent policy on stating what size of home can be supported by this unit. They did not specify any size or number of people instead you will find a guide with combination of different PSI, flow rate and temperature, his guide gives you a clear reference on whether this is enough for you or not. This parable of less GPM is not good for big home is not buy-able as so many other things dictates weather a water heater is efficient for big need or not; for example-PSI, temperature, whether the fixtures have flow rate controlling valve or not etc. Still if you have a query you can check that guide

Frequently Ask Questions (Q&A)

  • Q- I live in mid America what GPM is feasible in my temperature.
  • Ans: In center of USA temperature may vary in between 51-60 degree F so you can enjoy 2.4-3.6 GPM which means a shower and a sink is usable at a time for as long as you want.
  • Q- What is the minimum activation flow rate?
  • Ans-The minimum activation flow rate is .5 GPM.
  • Q- I have a 240 volt capacity at my place can it support AT-D24TP-AZ Thermopro 24 Kw/ 240V 4.6 Gpm digital Thermostatic Tankless Electric Instant Water Heater?
  • Ans- Yes 240 volt is required with 2400 watt and 3 double pole 35 amp breakers for functioning.


Buying a tankless water heater involves a lot of money and engagement. This piece of fixture will support you for next 10-15 years if not more. Before buying it you may need to look into all the details. Like Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater it is all electric water heater so you need to look inside the electric specification it require. If you’re current water heater has already run 5 year more than the insurance period and you are thinking of a water heater that will save you space and utility bill. Than Atmor AT-D24TP-AZ Tankless Electric Instant Water Heater is a good choice for house of 3-4.

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