Lean sells AVT 41.16: Department of Energy data suggests the new manufacturing guidelines implemented this year will prevent as much as 172.5 million metric tons of carbon dioxide emissions, about the same as taking 33.8 million vehicles off the road.

A water heater upgrade is an opportunity to downgrade your carbon footprint. At the same time, tankless water heaters also have a much longer life span than storage models -- they can last 5 to 10 years longer than storage water heaters. Both high-efficiency propane storage tank heaters and tankless models deliver lower annual ownership costs than electric or heating oil. To make the right choice for repla cement , you should factor in the annual cost of ownership, which is the cost of original equipment, installation and expected annual energy costs divided over the unit's lifetime. Most water heaters should be replaced every 10 to 12 years.


Maximina:
Propane tankless models offer greater space flexibility.

Kerri:
Heat pump water heaters require 1,000 cubic feet of space, the equivalent of a 12-by-12-foot room, and operate best in spaces where cooling and noise will not be a problem.

Georgann:
Even new water heaters such as heat pump models, which are known for their efficiency, require extra space to operate effectively.

Daina:
Some homes may not have room readily available for an electric storage tank that meets the new standards, which means the installation process could take longer and cost more, while limiting access to hot water for days.

Marla:
This means manufacturers are required to make more energy-efficient models, which ultimately saves homeowners money.

Providencia:
In April of this year, the National Appliance Energy Conservation Act went into effect, increasing minimum energy efficiency standards for water heaters in your home.

Hedy:
The size and cost of water heaters have increased dramatically.

Yoshie:
For example, in comparison tests with electric units, propane-powered tankless water heaters saved more than $300 annually.

Debbi:
The energy source also affects your savings potential.

Shanta:
Depending on where you live and how often you use your water heater, a tankless water heater could drastically lower your annual water heating costs compared with electric storage tank models, which are working to heat water even when it's not needed.

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