On Demand Tankless Water Heaters: also known as instantaneous water
heaters.
On Demand
(tankless or instantaneous) water heaters
Heat water directly
without the use of a storage tank.
On demand tankless water
heaters do not contain a storage tank like conventional water heaters. A gas burner or electric element heats
water only when there is a demand for hot water. Hot water never runs out, but the flow rate (gallons of hot
water per minute) may be limited. By eliminating standby losses from the tank, energy consumption can be reduced
by 10-15%. Before rushing out to buy a demand water heater, be aware that they are not appropriate for every
situation.
Here are some of the factors to consider:
Do you use hot water
efficiently? Have you installed modern, low-flow faucets and showerheads? Tankless water heaters perform much
better when coupled with efficient uses.
Consider your water
distribution system. If the hot water uses in your home are relatively close together, with short hot water
lines between them, a tankless system may work for you. In many U.S. homes, water uses are widely spaced at
opposite ends of the house. If this is the case in your home, a tankless system may not meet your
needs.
If you have installed
high efficiency fixtures and your water lines are not too long, consult an experienced contractor to find out if
your gas supply is adequate and proper venting is feasible.
Finally, residential
wiring generally will not support a tankless electric water heater with large enough capacity to serve multiple
uses. If you rely on electricity to heat your water, a tankless system is unlikely to meet your needs. At most,
an electric unit may be appropriate for small applications, such as a remote bathroom without a bath tub.
If you choose an on
demand tankless water heater, look for a gas-fired model eligible for 2006-2007 federal tax credits, at
least an Energy Factor (EF) of 0.80. To learn more about tankless water heaters, visit these manufacturers'
sites.
Call Magic Plumbing, The San
Francisco Plumbing Professionals
For A Free On Demand Tankless Water Heater Estimate, And Save Money Today
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value)!
Use
Tankless Water Heaters
Save on Energy Bills
A device like a tankless water heater provides hot water at a preset temperature whenever you need. Since there is
no provision for storage the mechanism of a tankless water heater substantially reduces or eliminates standby
losses. Unlike a conventional storage tank water heater, a tankless water heater starts to heat water only on
demand. It has a heating device that is automatically triggered by the flow of water when the hot water valve is
turned on. Once it gets activated, the heater delivers an uninterrupted supply of hot water. You can run it for as
long as you need to at a stretch without the water going cold.
Read the complete article...
 
Shopping for a
tankless water heater try iTankless online
Brand
Website
Bosch
(Aquastar)
www.boschhotwater.com
866-330-2725
Bradford White
www.bradfordwhite.com
800-523-2931
Eccotemp
www.eccotemp.com
866-356-1992
Infinion
www.tanklesswaterheaters.com
800-873-3507
Monitor
Products
www.monitorproducts.com
800-524-1102
Noritz
www.noritzamerica.com
866-766-7489
Paloma
www.palomawaterheaters.com
800-873-3507
Rheem / Ruud
www.rheemtankless.com
866-720-2076
Rinnai
www.foreverhotwater.com
866-746-6241
Takagi
www.takagi.com
888-882-5244
Toyotomi
www.toyotomiusa.com
203-775-1909
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