The water heater must work a lot harder than with a non circulating system, and could end up needing replacement much sooner than normal.

True hot water demand systems are by far the most energy efficient and save the same amount of water as the traditional types of systems. Now you have instant hot water without running water down the drain. This system uses a pump that connects between the hot and cold water lines like the demand systems, but run continuously or on a timer like the traditional system. The pumps run for such a brief time that the energy usage is very smalltypically less than $2.
. In many cases the systems are eligible for rebates from the local water company. The pumps turn on at one temperature and off at a second higher temperature, keeping the water in the piping at warm temperature range. So be green and install a circulating system in your home now. In effect, its pumping the water in a big loop out of the water heater and back into the heater. Hot water circulating systems can save tremendous amounts of water, and at the same time provide the user with fast hot water. Metlund and Chilipepper Sales are two manufactures of demand systems.

The traditional system is very wasteful of energy, since it keeps all the hot water piping full of hot water, which continuously looses heat to the environment.If you live in an area affected by severe water shortages you should look into obtaining a hot water circulating system. Traditional systems are not usually installed in existing homes due to the extensive plumbing usually required along with the expense of operation due to the heat loss. Its similar to a traditional China rubber seal Suppliers system, but it uses the cold water line as the return line.

A better approach is to use what is being called a hot water demand system. Since the run pump often, the cold water line ends up with a lot of luke-warm water, and when you turn on the hot faucet you get warm water not hot. No water goes in or out of the water main and no water gets run down the drain.00 to over $500. The pump can be placed on a time to reduce the heat loss from the system and the pumping energy during periods of little or no use. Demand systems do not use any more energy than a non circulating system, since they dont really circulate the water; they just pump it to the sink where it was going to go anyway. When the pump is turned on, it pumps water out of the hot water line and into the cold water line.00. Demand systems range in price from under $200. The traditional system, the hot water pipe connects from the outlet of the water heater to the first fixture, and then loops from fixture to fixture, and finally it connects back to the inlet of the water heater. There are pros and cons to every system, and by knowing what they are you can make an intelligent decision as to whether or not you would benefit from such a system, and which kind of system to purchase. Fast hot water is a convenience that once experienced, is difficult to do without. In some cases the rebate can cover the entire cost of the system.

Saving water and energy also reduces the greenhouse gases released into the atmosphere as a result of the pumping, treating, and distribution of drinking water.00 per year. With a demand system you save time, water, energy, and money.

There is a variety of hot water circulating systems on the market, so we shall examine several systems to get a feel for what the differences are. A small pump is placed under the sink furthest from the water heater. There is circulating pump in the hot water line that keeps hot water circulating in the piping. Like the traditional system it uses a lot of energy since it keeps the piping warmer than normal for long periods of time.

When hot water reaches the pump it shuts off.

We can begin with the traditional hot water circulating system. The system is so wasteful of energy that it cant be used in California for new residential construction. Grundfos and Taco are manufactures of traditional pumps. Laings AutoCirc and RedyTemp are two such systems. According to Grundfos, a large international manufacturer of circulating pumps, a typical family can save up to 16,000 gallons of water per year with a circulating system. Not only that, but when you do have to run water down the drain for long periods of time to obtain your hot water, you feel exceedingly guilty about doing soor at least I do.

Another type of system is kind of halfway between a traditional system and a demand system