Yes gas tankless water heaters can work well even in cold climates as long as the unit has been sized correctly to meet the hot water needs of your particular household.
Are tankless water heaters good in cold climates.
A friend of mine said they are not good in colder climates since the water coming in is colder and takes longer to heat.
But regardless of the climate or the size of the unit a tankless water heater is not recommended for households that have a very high hot water demand.
Since tankless water heaters need a minimum amount of water flow before activating there s a gap between completely cold water and the coolest warm water that you can create with a hot and cold water mix.
To answer your question many tankless water heaters can work in cold weather climates depending on the type of tankless water heater it is.
In summary we re happy with our heat pump water heater despite the cold climate and the fact that we don t have a waste heat source in our basement.
I was thinking of switching over to a tankless water heater.
If so you need to get the best electric tankless water heater for cold climates.
So when the ground water gets colder in winter the electric tankless water heater may not give you the endless hot water you re expecting.
You can t just go with any old type.
If you live in a cold climate like massachusetts and are looking for a tankless water heater go gas.
I m guessing that for half the year we ll save at least 60 compared with a standard electric water heater while only 10 20 in the cold months.
It is designed to meet the demand of large temperature rise which in other words offer you hot water that never runs out even in the cold regions or in the winter.
In fact i would stay away from electric ones unless you use a point of use at each water fixture.
Is this a valid concern or are these things designed to deal with this type of thing.
But electric tankless water heater is struggling for heating water quickly in cold weather and thus may not able to provide much hot water as you expected.
Therefore if you intend to get one best tankless water heater for cold climates go and get a gas type for cold days.
You need to get a tankless water heater for cold climates.