[RE-wrenches] efficiency

[jay peltz]

hi William,

I've got that covered.

Person is near the coast of CA, never colder than low 40's or higher than mid 80's
( usually 50's as average low and 60-70's for high)

Pretty perfect for this technology.

jay

peltz power
On Jul 15, 2012, at 6:18 AM, William Dorsett wrote:

> Heat pump water heaters are fine during the summer when you need to exhaust
> heat from your indoor space, but in winter you need to provide heat from
> other sources to replace the heat sapped by the heat pump. So payout will
> depend on your client's location heating and cooling degree days.
> 
> Bill Dorsett
> SunwrightS
> 
> -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of jay peltz
> Sent: Saturday, July 14, 2012 6:34 PM
> To: RE-wrenches
> Subject: [RE-wrenches] efficiency
> 
> Hi All,
> 
> I've got a client who is thinking of getting a heat pump hot water heater.
> Wanted me to confirm that it would save him kwh per year over a standard
> tank unit.
> Yes it will, or so all the numbers say for his area etc.
> 
> But I cannot figure out ( or find out) how to compare the energy factor 2.2
> in full heat pump mode vs the .91 in electric element mode?
> 
> Anybody know how to do this?
> 
> thanks,
> 
> jay
> 
> peltz power
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