[RE-wrenches] Hot water heater heat pumps

[MDElectricSolar .]

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 <pforest at 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 <tom at 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
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-- 
Michael & Jessica Nelson
MD Electric & Solar Inc.
Office: 707-884-1862
Cell: 707-684-0064
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