Water heaters fitted in the home runs all day, every day and night to keep a large mass of water hot and ready for you to use. For a more ecologically and friendly experience, you could if you want, try others that offer hot water without the energy use. Three tips to consider:Recover the heat.A heat recovery system is a fixture a plumber 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 heaterRecirculate Hot Water.Started up at the push of a small button, the thermostat, timer, or motion sensor, the pump begins to recirculate the cooled water sat in the hotline sending it back to the water heater through the cold water line. This uses its system pump to move the hot water where it is required, this definitely gives you some financial/energy benefits. Instead of allowing the cold water to go down the drain, it returns to the water heater. Finsbury Park Plumbers will always try and fit all kinds of green appliances.Tank-less Water Heater.Cold water comes in at the bottom, where a highly efficient gas powered heater very quickly brings the water to a near boil. When you shut off the hot water, the heater shuts down. You should place this heater close to the kitchen area or to the bath so the water will not have to travel a great distance. A Tank-less water heater costs approximately twice as much as standard water heaters, but the energy and water savings will pay for the tank-less heater within one to five years. Finsbury Plumbers recommend and can fit this type of equipment.“