[Bldg-sim] Modeling a Green Roof

Lopez, Phylroy Phylroy.Lopez at stantec.com
Wed Sep 15 16:49:21 PDT 2010


I believe that NRCan did some initial work on the impact of Green Roofs, the result was a reduction of heat island effect rather than building energy savings.

You could use EnergyPlus' ecoroof model to either determine an effective seasonal heat transfer rates with a basic setpoint controller, and incorporate that into eQuest somehow. You may find that the inputs for the E+ green roof model itself may be a bit of guess work. It might be more work than it is worth.

Cheers,

Phylroy Lopez B.Eng LEED A.P.
Sustainable Building Specialist
Stantec
1100 - 111 Dunsmuir Street
Vancouver BC V6B 6A3
Ph: (604) 696-8337
Fx: (604) 696-8100
stantec.com<http://www.stantec.com>

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From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Chris
Sent: Friday, September 10, 2010 12:46 PM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Modeling a Green Roof

here any good guidance available on the thermal properties of a green roof for use in an energy model?

--
Chris Flood BSc (Eng)
Senior Building Analyst & Energy Modeller
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