while an 80-gallon water heater can cost as much as $1,300 to $7,500 to install, according to Angi. Fuel source. Electric water heaters don’t require venting, but gas and propane water heaters ...

Changing from gas to climate-friendly electric appliances often involves expensive retrofits. A growing list of companies offer stoves, heat pumps and water heaters that make it easier and cheaper.