HIGH TECH TANKLESS WATER HEATER SAVES ENERGY DOLLARS WHILE DELIVERING UNLIMITED HOT WATER ON DEMAND Product offers 30-Year Lifespan with Lifetime Warranty Against Leaks

SCOTTSDALE, Ariz. – October 1, 2001 – For the first time, an electronic tankless water heater can supply homes, apartments and commercial buildings with unlimited hot water on demand even when multiple faucets are turned on simultaneously. Available now, the ESI 2000 electronic tankless water heater saves users as much as 60 percent in water heating energy costs over conventional storage tank water heaters. The ESI 2000 uses sophisticated microprocessor technology and flow sensing to make hot water instantly available as soon as any or all faucets on the line are turned on, although the water is heated only as needed.

"The user-friendly ESI 2000 is the first electronic tankless water heater on the market that combines the convenience of storage tank heaters with the energy-conservation benefits of tankless heaters," said Gary Gordon, co-founder and chairman/CEO of Envirotech Systems Worldwide, the developer and manufacturer of the ESI 2000 series. Based in Scottsdale, Ariz., the company's ESI 2000 is the only electronic tankless water heater to comply with the recent, more stringent Underwriters Laboratories, Inc. (UL) standards.

Conventional Methods Waste Energy
Conventional storage tank water heaters keep water hot continually, even when it is not being used with 20 percent of the operating costs attributed to standby loss*, where the tank is just sitting there waiting to be used. Because the hot water tank heater is always working, it accounts for as much as 25 to 30 percent of a home's total energy consumption. In addition, it is estimated that the average family of four wastes between 12,000- to 14,000-gallons of water annually while waiting the seconds or minutes for hot water after turning on the faucet. The ESI 2000 heats water on demand, so it uses only the energy necessary to supply the desired amount of hot water.

"Using a storage tank system that keeps water hot continually is similar to turning on the oven in the morning and keeping it hot all day just in case you decide to bake a cake that evening," says Drew Hruska, co-founder and president/COO of Envirotech Systems Worldwide. "You have the desired result – a hot oven – but at a great cost in energy resources and dollars."

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The rising costs of energy and recent blackouts in California have raised citizens' awareness of their energy use habits. "In the United States, we have typically treated energy as an unlimited disposable resource, however, the energy crisis is getting to the point where all consumers need to conserve energy," Gordon says. "That mindset is changing, but comfort and convenience are still big priorities. The ESI 2000 uses energy efficiently without asking the consumer to change his or her hot water use patterns."

Where Do Tank Water Heaters Go When they Die?
With an average lifespan of eight to nine years for a typical tank water heater, these large 30- to 80-gallon tanks eventually end up in landfills. With an average lifespan of 20 to 30 years, the ESI 2000 offers almost more than three times the average lifespan of a typical hot water tank. At only the size of a briefcase (16" by 13.5" by 3.5"), the ESI 2000 is a more environmentally friendly choice. It is easy to install in any location and comes with an optional wall bracket that even allows it to be installed inside a wall cavity.

Current Tankless Water Heaters vs. ESI 2000
Current tankless water heaters have been unable to maintain a set water temperature if more than one faucet in the system is turned on simultaneously. Thus, if a shower is running in one room and a faucet is turned on in another, the shower water becomes colder for several minutes while the system adjusts or it just stays colder, depending on the model. "Most households in the United States have two or more bathrooms, as well as washing machines, dishwashers and kitchen sinks. We are accustomed to hot water on demand and are reluctant to put up with less – even to conserve energy," Hruska said.

To overcome this inconvenience, the ESI 2000 is equipped with technologically advanced sensors that "read" the water's flow six to eight times a second and adjust the power flow to maintain temperature as necessary. The result is the continual immediate availability of precise set temperature water, no matter how many faucets are turned on.

Only Manufacturer to Meet the Latest UL Standards
The ESI 2000 is Listed to applicable UL Standards and requirements by Underwriters Laboratories and is the only electronic tankless water heater that meets the newest, stringent UL standard 499 for electric heating appliances, requiring strict compliance with the National Electrical Code (NEC).

Manufactured with Quality and Safety in Mind
Its long lifespan and high reliability is due in part to the high-quality Incoloy stainless steel heating elements used in the ESI 2000. Incoloy stainless steel elements have been proven to last 50 percent longer than the copper elements that are used in most storage tank heaters and most other tankless heaters.

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Because the ESI 2000 does not require a hot water tank, there is no danger of tank ruptures or leaks, which can result in extensive water damage. In fact, the product comes with a lifetime warranty against any leakage or rupture.
The ESI 2000 supplies unlimited hot water at any predetermined temperature, allowing water temperature to be regulated to prevent scalding, even if a child turns on the hot water faucet full-force. The heater can also be programmed to never let the heater go above a predetermined temperature.

Price and Availability
ESI 2000 models are available in standard and deluxe formats for a variety of applications, including single- and multi-family residences, restaurants, hotels, motels, office buildings, condominiums, hospitals, nursing homes, etc. Manufacturer's suggested retail prices range from $600 to $800 per unit. Units are available for immediate shipment through local authorized distributors and the company directly. For specific pricing and information on local distributors, contact Envirotech at
800-251-6612 or visit the company's website at www.tankless.com.

Additional Applications
Other applications for Envirotech's products include radiant floor heating, ground source heat pumps (GHPs), as well as other industrial applications. An efficient alternative to forced-air heating systems, radiant floor heating heats a room from the floor up saving energy and reducing heating bills. GHPs are similar to ordinary air conditioners and air-source heat pumps that temper the affect the earth provides for either heat extraction or heat rejection. This allows GHPs to operate more efficiently than conventional equipment in particularly cold or hot climates as it dumps building heat into or extracts heat from the ground rather than the outside air.





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