[Equest-users] Electric water heaters EF / EIR

[Bishop, Bill]

Mark,

I'd use HIR=1/EF and then zero out the tank losses by entering Tank
UA=0.

Regards,

Bill

 

William Bishop, PE, BEMP, LEED(r) AP | Pathfinder Engineers & Architects
LLP

Mechanical Engineer

 

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P   Sustainability - the forest AND the trees. P    

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Mark
Darrall
Sent: Wednesday, April 20, 2011 7:55 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Electric water heaters EF / EIR

 

I have a 6kw 40 gal electric DHW. The EF per 90.1 Table 7.8 is 0.87 (is
that right?). What should I input for the EIR? The inverse of the EF?
I'm better at moving air than electrons...

 

Thanks!

 

MARK DARRALL, AIA, LEED AP BD+C, NCARB
Senior Project Manager

 

 

 

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