In Hot Water is a newsletter about efficient water heating and heat pump water heaters (HPWHs). This is the last issue of In Hot Water, since funding has ended.

This publication was sponsored by the U.S. Department of Energy's Emerging Technology Program, through Oak Ridge National Laboratory, and was distributed without charge by email and through this website.

For a copy of the latest In Hot Water newsletter, click here (this file is 680 KB, in Adobe Acrobat .pdf format).  This issue features these stories:

§         United Technologies’ CO2-refrigerant HPWH is presently undergoing field testing.  We report on visits to test sites in a hospital and a hotel.

§         We report on a visit to a large commercial-sized HPWH installation by Roberts Systems, Inc., from Applied Energy Recovery Systems.  It is supplying hot water for a hospital laundry and helping to keep laundry workers cool at the same time.

§          The “Mahana Blue” HPWH boosts waste heat from dairy milk coolers, supplying 85°C water for dairy cleaning.  It has reached sales of around 500 installations in New Zealand , where it was invented.  It demonstrates how HPWHs successfully serve market niches.

§         Six commercial-size direct-expansion geothermal HPWHs are supplying hot water for 144 apartments in Claremont , New Hampshire .

§         An integrated dehumidifier / HPWH is being developed and field tested in North Carolina , under sponsorship of Oak Ridge National Laboratory.

§         Would you would like to try a HPWH in your home?  You can buy either of two brands of residential HPWH from Nyle Special Products of Bangor, Maine.

§         Applied Energy Recovery Systems is developing two new, lower-cost residential HPWHs, while they continue to sell a larger residential unit.

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Past issues of our newsletter are available here.

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Johnson Research, LLC

Russ Johnson, Editor

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