[Equest-users] Full Heat Recovery and low-e ceiling in an Ice Rink
Shaun Martin
smartin at shaunmartinconsulting.com
Fri Oct 21 13:59:21 PDT 2011
Hi Justin,
The effectiveness of the low-e ceiling depends on the length of your
ice-making season (low-e is, of course, more effective in the summer) and on
the insulation level in the roof.
Adding a low-e ceiling reduces the load on the plant, so you get the same
savings regardless of whether there is heat recovery. If you add heat
recovery in a building with a low-e ceiling it stretches out the heat
recovery payback.
Shaun
_____
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Justin
Elkin
Sent: Friday, October 21, 2011 12:21 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Full Heat Recovery and low-e ceiling in an Ice Rink
Happy Friday,
I have an energy model of a community center constructed in EQUEST. The
community center has an ice rink incorporated into it which contains a low-e
ceiling as
well as full heat recovery. We were playing around with some combinations of
having a low-e ceiling in our model and as it turns out, there is not much
savings
between having a low-e ceiling and not having one (about $1,000 a year in
savings with the low-e) in our model.
Has anyone else played around with this and noticed it as well? We are
suspecting that you cannot gain much savings through the use of low-e when
full heat
recovery is present. Can anyone confirm this or give any comments?
Thank you,
Justin Elkin, LEEDR Green Associate
Mechanical Engineer-In-Training
t: (902) 422-7393
f: (902) 423-4945
e: jelkin at mreng.ca
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