Tankless water heaters offer benefits that include:
A constant supply of hot water
Space savings
Lower operating cost
Improved energy efficiency
Environmentally friendly
The main downside of tankless water heaters is the higher initial cost. While they do cost more for the unit and installation, these models can last up to twice as long as water heaters with a storage tank and you will save on your monthly utility costs.
Making the decision between electric and gas
Choosing between a traditional and tankless system is only one decision. You’ll also have to decide between gas or electric options.
Non-condensing gas tankless water heaters have more complicated installations because they need a complex venting system to provide adequate air flow. More often than not, the existing venting ducts and gas lines are incompatible; installing the proper modifications adds a significant cost to an installation or repair. Gas heaters require more maintenance throughout their life than electric heaters do. You’ll have to factor in routine checkups, flushing of minerals and cleaning the inlet screen to remove debris.
At the moment, fuel prices are cheaper than electricity. Despite the higher costs of installation, the costs of actually using a gas heater are lower. Gas heaters can deliver more hot water, too – more than eight GPMs, while electric heaters usually top out around that number. For households with several people in it, that makes a big difference. Electric tankless heaters are easier and cheaper to install. You probably won’t need to undergo any in-depth home modifications, and the resulting heater is more efficient. Electric heaters consistently score in the 95 to 99 percent efficiency range. Electric tankless heaters are more compact, too, typically a third the size of gas heaters. These smaller appliances require less maintenance, though you should flush them out annually to remove mineral source buildup. And because of the simplicity of their design, electric heaters usually outlast their gas counterparts – often exceeding their expected 20-year lifespan.
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