Our domestic hot water heaters tend to run in our homes for hours an hours at a time. It does this because we demand hot water at the drop of a hat. However there are other choices for the provision of this commodity that are a little greener and use less precious energy to achieve the same aim. Some tips are listed below:Hot Water (recirc).The pump fitted to this system is controlled by different units which could be a sensor motion, temperature monitor or even a timing module. It will fire up when start button is pushed. This action will begin to move the cooler water that is in the hot water circuit and pump it back to the heater via the cold water pipe. It is a good idea and uses the systems own fitted pump to feed water to wherever it is needed. There are monetary benefits and energy savings as the cold water does go out to the drain, but goes to back to be re-heated. Lambeth Plumbers will try and fit green appliances.Recover the Heat.This is a plumbing fixture that sits under the drain in your bath or shower. The system recovers the heat out of the water that goes down the drain and circulates the heat not the water back to the showerhead or water heater. A Lambeth Plumber recommends this type of equipment.Water Heater (tank-less).This unit takes in cold water at the bottom and is immediately heated by a very efficient heater powered by gas. As the water is closed off, so the heater will close itself down. It is best positioned, either around the kitchen or bath area as it the water will not have to travel far. A Tank-less water heater is twice the price of standard water heaters, however, the savings in energy and volume of water makes it cost affective.