Water tank pump

From Greenlivingpedia, a wiki on green living, building and energy

Water tank pumps are quite efficient and don't use much power to operate.

[edit] Example 1 - water pump for all household water requirements

For example, sample measurements from a pump operating for the Surrey Hills house supplying all water needs in August 2008 were:

Hours	297
Days	12.375
kWh	2.8646
kWh/h	0.009645118
kWh/day	0.231482828

[edit] Example 2 - water pump trial for garden watering

This trial was conducted with a water pump used to water a garden, also in Surrey Hills, Victoria. The pump was run for 20 minutes, the volume pumped and the electric energy used were both measured.

Volume pumped - litres	608
Energy used - kWh	0.35
Water usage per day (2 person household) - litres	122
kWh/day	0.070

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