Hot water heating accounts for about 20% (or more) of the average North American households annual energy costs. With energy prices rising day by day it is becoming important to take a closer look at where the money is going.
The average yearly cost for a conventional gas or electric storage hot water heater is approximately $500 for a 1300sq.ft. 4 member family home. It lowers or increases depending on how many people live in the house and on their particular water usage habits.
Conventional hot water heaters store water and maintain the water temperature to the temperature setting on the tank – usually between 120 and 140 F. That means keeping water hot even when you do not need it – while you are at work; while you are sleeping; while you are away on holidays.
These standby losses represent 15% to 25% of a households annual water heating costs.
Another thing that annoys all of us, is waiting for the water to heat up because someone took a bath before us. The storage tank water heaters only have a limited amount of hot water. After that is gone you have to wait for the tank to get heated again.
Throughout the rest of the...