Just installed one. A little noisy (like a small refrigerator running) but installed on a 15A/240V breaker. Sonoma County, coastal, but it's working fine so far. Challenge was enough airspace, definitely puts out cold, conditioned air. Mike
On Tue, May 26, 2015 at 3:43 PM, Phil Forest <pfor...@southmountain.com> wrote: > Wrenches, > My take so far on this great discussion about heat pump hot water heaters > (HPHW's) for domestic hot water: > A HPHW powered by off-grid PV could be very effective, if there was a > timer which controlled it to only operate during daylight, so it doesn't > load the batteries at night. And the HPHW cools and dries the > appropriately large space where installed, which food, beer and batteries > are stored. > > Phil Forest > South Mountain Company > > > On May 26, 2015, at 5:35 PM, Tom Lane <t...@ecs-solar.com> wrote: > > > > The water heater heat pump tanks , I am referring to are ONLY FOR > HEATING DOMESTIC HOT WATER for washing clothes , showers , baths , and dish > washing . On April 15 the Feds mandated all new standards for water heaters > , ALL ELECTRIC AND GAS HOT WATER HEATERS ARE NOW ABOUT TWO INCHES IN > DIAMETER AND SIX INCHES TALLER that were MANUFACTURED AFTER THAT DATE . All > 66 , 80 and 120 gallon electric water heaters were OUTLAWED except for > Solar Hot Water Tanks and 80 gallon water heater heat pumps are allowed . > The normal size 30 , 40 , and 55 gallon electric and gas water heaters are > now wider and taller ! Water heater heat pump tanks are usually 55 or 50 > gallons or 80 gallons and have a heat pump only , hybrid ( heat pump and > electric ) , electric only and off modes - for vacation . The idiot Feds > think they should be used all over the USA , however , my research , sez to > only use them in hot humid climates in garages ( which they will cool and > dehumidify ) in climates in the > h > > ot humid south and East Texas . Do your own research , or look at the > research done at the Florida Solar Energy Center . GatorTom PS : rumor has > it that the Feds may rescind the order from their hot water Czar on 80 and > 120 gallon electric water heaters ! Or maybe they will send SWAT teams > into plumbing supply houses to check on that and also their outlawing brass > fittings with tiny amounts of lead . > > > > > > Sent from my iPad > > _______________________________________________ > > List sponsored by Redwood Alliance > > > > List Address: RE-wrenches@lists.re-wrenches.org > > > > Change listserver email address & settings: > > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > > > > Check out or update participant bios: > > www.members.re-wrenches.org > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > -- Michael & Jessica Nelson MD Electric & Solar Inc. Office: 707-884-1862 Cell: 707-684-0064
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