Often they can be mounted to the wall.
Tankless water heater vs hot water heater.
If you use lots of hot water daily around 86 gallons you might enjoy energy efficiency of an additional 8 to 14 percent.
According to energy research done by energy gov if you are using a 40 gallon tank of hot water or less your energy demand is typically less than 50 percent with a tankless water heater compared to a water heater tank.
Propane tankless water heaters can typically achieve a hot water flow rate that s three times the flow rate from electric storage or heat pump water heaters.
No waiting for hot water tankless hot water heaters instantly heat the water you need.
While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the warranty.
You re not limited to the capacity of a holding tank.
Homeowners with on demand tankless water heaters that use less than 41 gallons or less of hot water each day enjoy between 24 and 34 percent more energy efficiency than storage tank water heaters.
One of the first things to consider is whether you should get a tank or tankless water heater.
Water heaters with tanks.
Energy efficient according to consumerreports tankless water heaters on average are 22 percent more energy efficient than traditional water heaters.