Tankless Water Heaters – Some Like it Hot!

Admin — Sun, 22 Nov 2009 00:44:47 +0000

Tankless water heaters have advantages and disadvatages, just like everything else. They can supply an endless supply of hot water, and can save energy.

However, they are limited in the amount of hot water that can be produced at one time and they are more expensive to purchase than a conventional storage type water heater.

Tankless Water Heater Olympia 24 KW Whole House New
US $225.00

On Demand Alaska Propane Tankless Hot Water Heater LLC
US $349.95

Tankless Water Heater Olympia 21 KW Whole House New free shipping
US $215.00

Tankless Water Heater Olympia 27 KW Whole House New Free Shipping
US $235.00

American Heat AH-18 Whole House Tankless Water Heater
US $390.00

American Heat ADK 16 KW Whole House Tankless Water Heater
US $269.00

New Rheem/Paloma 4.2 GPM Tankless Water Heater Propane High Alt. PTG-42PVPH-D
US $449.99

New Rheem/Ruud propane tankless water heater RUTG-66XP
US $413.99

Tankless Water Heater Olympia 18 KW Whole House New
US $205.00

BOSCH AE 125 POWERSTAR WHOLE HOUSE 4GPM ELECTRIC TANKLESS HOT WATER HEATER WHITE
US $791.99

BOSCH POWERSTAR AE9.5 POWERSTREAM TANKLESS INSTANTANEOUS ELECTRIC WATER HEATER
US $221.99

Noritz NC250-DV-ASME-LP Tankless Water Heater PROPANE
US $1,685.95

Rinnai Tankless Water Heater 180,000 BTU / 7.5 GPM up to 3 bathrooms NSF Japan
US $767.00

Bosch Tankless On Demand Water Heater
US $275.00

Noritz NR83-DVC-LP Tankless Water Heater
US $998.75

Noritz NR83-DVC-NG Tankless Water Heater
US $998.75

AQUAH ON-DEMAND PROPANE GAS TANKLESS WATER HEATER,12 L, 3.2 GPM
US $249.95

AQUAH 16L (4.23 GPM) ON-DEMAND NG NATURAL GAS TANKLESS WATER HEATER
US $299.99

Noritz NR98-DVC-LP Tankless Water Heater
US $1,136.25

AQUAH ON-DEMAND NATURAL GAS NG TANKLESS WATER HEATER,12 L, 3.2 GPM
US $249.95

Noritz NR111-DV-LP Tankless Water Heater
US $1,637.44

Noritz NR111-DV-NG Tankless Water Heater
US $1,637.44

Noritz NR111-SV-NG Tankless Water Heater
US $1,637.44

Noritz NR66-SV-NG Tankless Water Heater
US $761.25

Stiebel Eltron Temptra 12 Tankless Water Heater
US $400.00

American Heat 16 KW Whole House Tankless Water Heater
US $269.00

Rheem EcoSense Tankless Natural Gas Water Heater Plus Remote ECO180DVN3 NIB
US $999.99

Bosch Pro Tankless 940 ES NG - Tankless Water Heater - Best Price!!!
US $899.99

Bosch Pro Tankless C 1210 ESC NG - Tankless Water Heater - Best Price!!!
US $1,619.99

Noritz Tankless Natural Gas Water Heater N-075M1
US $400.00

EZ 202 - Tankless Water Heater LP (Liquid Propane). 3.2 GPM + FREE Mfg Warranty
US $264.95

NATURAL GAS NG TANKLESS WATER HEATER 16L, 4.23 GPM
US $297.95

NORITZ TANKLESS WATER HEATER LONG 4" DIRECT VENT KIT
US $209.99

NORITZ TANKLESS WATER HEATER SHORT 4" DIRECT VENT KIT
US $289.99

Bosch Pro Tankless C 1210 ES - Tankless Water Heater - Best Price!!!
US $1,529.99

AQUAH INDOOR ON-DEMAND PROPANE GAS TANKLESS WATER HEATER 12L, 3.2 GPM
US $249.95

AQUAH INDOOR ON-DEMAND PROPANE GAS TANKLESS WATER HEATER 16 L, 4.23 GPM
US $329.99

AQUAH INDOOR ON-DEMAND NATURAL GAS TANKLESS WATER HEATER 16 L, 4.23 GPM
US $299.99

AQUAH INDOOR ON-DEMAND NATURAL GAS TANKLESS WATER HEATER 12L, 3.2 GPM
US $249.95

NEW RINNAI RV53eN - NATURAL GAS TANKLESS WATER HEATER
US $549.00

They also make it take longer for you to get your hot water, since they don't start heating the water until you turn on the faucet. This problem can be solved by using a demand hot water pump, which in combination with the tankless heater can get your hot water to you at less than half the time it would take running the faucet full blast, and the pump doesn’t run water down the drain, so you save not only time, but water as well.

The tankless water heaters also cause an increase in water wastage since you have to let the water run longer to get your hot water. This problem is also solved when using the demand pump.

Tankless water heaters come in a variety of sizes for different applications, such as a whole-house tankless water heater, a source for a remote bathroom or hot tub, or as a boiler to provide hot water for a home heating system.

Tankless hot water heaters are available in propane (LP), natural gas, or electric models.

Tankless water heaters can also be used as a booster for dishwashers, washing machines, and as a backup for solar or wood-fired domestic systems.

You may install one centrally, or you can install one at the point of use, depending on the amount of hot water required. For example, you can use a small electric unit as a booster for a remote bathroom or laundry, or in the kitchen for cooking and instant coffee etc.

Gas units with a standing (constantly burning) pilot light, however, offset some of the savings achieved by the elimination of tank standby losses with the energy consumed by the pilot light.

Moreover, much of the heat produced by the pilot light of a tank-type model heats the water in the tank, heat that is just lost with the instantaneous units.

An alternative to the standing pilot light is an intermittent ignition device. This resembles the spark ignition device on some gas kitchen ranges and ovens. You should check with the manufacturer for models that have this feature.

Small units are usually installed in a closet or underneath a sink, and are usually electric due to the difficulties involved with installing a flue. If the unit is gas, a flue and gas piping will need to be installed, which can cost a significant amount of money. If electric you will probably need 220 volt service run to the location where the unit will be installed, which can also be some what expensive.

Gas-fired models typically have a higher gallons-per-minute output than electric models. The largest gas models, which may provide all the needs of an entire household, are usually installed centrally. The flue required will be larger than that of a gas tank type model.

As with many tank type models, even the largest whole house models may not be able to supply enough for large simultaneous, multiple uses (i.e., showers and laundry).

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Instant Hot Water Heaters » Water Wastage

Tankless Water Heaters – Some Like it Hot!