Water heaters are an essential part of day to day life, especially when you’re living in the cold region. In winters, we can’t do our day to day water related works, because it is too cold to wash things. Your old heater may be doing everything fine, but there is a possibility that it could get a malfunction, and you may need to spend extra on it.

These tank water heaters are surely a good option, also, cheap, but with time, they consume more power than the new heater. Why to spend on repair, or further increased electricity bill, if you can easily shift for tankless water heaters.

These tankless heaters are very profitable in long run. They are very compact and lightweight. You can hang them in any corner of the bathroom, kitchen, or anywhere you want. Traditional tank heaters often require time to heat water, and then finally you can use it.

If you need instant hot water, these heaters are not that reliable. Also, they consume more power than tankless, because, they need to heat the whole batch, which is not the case in tankless heaters. So it is better to change your heater to tankless ones because they are more reliable, efficient, compact, lightweight and instant.

AO Smith is well-known company for its quality heaters. They make extremely portable and lightweight heaters, which can be installed anywhere in the house. The performance of these heaters is best in the market. If you’re going to buy tankless heaters, it is suggested to go for AO Smith. Let’s review some of the units.

TOP 3 AO SMITH TANKLESS WATER HEATER REVIEWS

AO Smith ATI-510-N Non-Condensing Residential Tankless Heater

This heater is on the higher end of the price but gives you unmatched performance. You can install it for your home, or commercial purpose. This heater provides you with a good flow rate, serves your need of hot water.

Specifications

  • 199,000 BTU of heat transfer

  • Dimensions:9.5 x 13.75 x 20.25

  • Weight: 44.8 pounds

  • Flow Rate: 10 Gallons per minute

  • Built in freeze protection

  • You can raise the limit manually.

  • Fuse for overheating

  • Inlet and outlet thermistors for constant temperature monitoring

PROS

  • Overheating fuse

  • Inlet and outlet thermistors

  • Anti-freezing technology

  • Non-condensing technology

  • Durable

  • Energy saver

  • Compact and lightweight

Cons

  • Expensive

  • Service is done by professional

AO Smith ATI-310-P Non-Condensing Commercial Tankless Heater

Another heater by AO Smith, but comparatively having less flow rate, and energy transfer units. This heater is a good competitor in average heaters. This unit is sufficient for three bathrooms and may be the top rated AO Smith tankless water heater.

Specifications

  • 190000 BTU of heat transfer

  • Dimensions:7.8 x 13.8 x 20.2 inches

  • Weight: 43 pounds

  • Flow Rate: 8 Gallons per minute

  • Built in freeze protection

  • You can raise the limit manually.

  • Fuse for overheating

PROS

  • Overheating fuse

  • Inlet and outlet thermistors

  • Anti-freezing technology

  • Non-condensing technology

  • Durable

  • Energy saver

  • Compact and lightweight

Cons

  • Expensive

  • Service is done by professional

  • Low flow rate

AO Smith ATO-110-N Non-Condensing  Tankless Heater

Every feature of this heater is same as the other two models, just change in flow rate and heat transfer units, to make it on a small budget. This heater is suitable for medium usage, but not for heavy duty. You can hang it at desired place, without any problem.

Specifications

  • 140,000BTU of heat transfer

  • Dimensions:7.8 x 13.8 x 20.2 inches

  • Weight: 37.2 pounds

  • Flow Rate: 6.6 Gallons per minute

  • Built in freeze protection

  • You can raise the limit manually.

  • Fuse for overheating

  • Inlet and outlet thermistors for constant temperature monitoring

PROS

  • Overheating fuse

  • Inlet and outlet thermistors

  • Anti-freezing technology

  • Non-condensing technology

  • Durable

  • Energy saver

  • Compact and lightweight

Cons

  • Expensive

  • Service is done by professional

  • Low flow rate

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