Our domestic water heaters these days work very hard, sometimes they can be on for 24hours a day and 7 days a week to satisfy our insatiable need for the luxury of constant hot water. Because of this demand, it means that a great deal of energy is burned to heat and also maintain this quite large volume of water heated. However there are a couple of Greener more ecological methods that are becoming more popular and that can save precious energy and cash.Three options below are worth considering:1).Re-Circulate The Hot Water:At the press of a button a thermostat, timer, or motion sensor, the pump begins to recirculate cooled water which sits in the hotline pumping it back into the water heater through the cold water pipe. A pump is used in this system in order to send hot water where it is required. This process certainly gives some benefits regarding cost/energy. 2). Recover The Heat:This is a system that is fixture that sits under the drain in your bath or shower. Heat from the waste-water is recovered as it flows down the drain. Only the heat is re-circulated back to the heater not the water. The cold water returns to the water heater not down the drain. Archway Plumbers will always try and fit a green appliance.3). Use a Tank-Less Heater:An Archway Plumber will recommend and can fit this type of equipment. For this example, the cold water comes in at the bottom, and then a very efficient gas driven heater will heat it until it is almost boiling. If the hot water is shut off, the heater shuts down also. This particular heater must be situated close to the kitchen area or the bath to make sure that the water does not have a long way to go. It is expensive, costing around twice the price of standard equipment, but will in under 5 years have paid for its initial cost.