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energy recovery control

CS-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jun 20, 2018, 5:26 am

I’m modelling a System 8 baseline model according to ASHRAE 90.1-2010.

An exhaust energy recovery system is needed according to table 6.5.6.1.

Since the building is located in...

Last reply: Marcus Sheffer, Jun 20, 2018, 10:21 am

Baseline: existing heat pumps, new FCs

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jun 12, 2018, 8:47 am

I'm modeling a commercial building that has 7 conditioned floors and is heated and cooled by 3 electric heat pumps. According to TABLE G3.1.1A the baseline model should be a System 8....

Last reply: Francesco Passerini, Jun 15, 2018, 12:12 pm

waste rooms

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jun 7, 2018, 9:03 am

The project is located in Europe and standard EN 15251 is considered for the achievement of this prerequisite. It seems that waste rooms (spaces for storage and collection of recyclables) are not...

Last reply: Marcus Sheffer, Jun 7, 2018, 9:57 am

waste rooms

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Jun 4, 2018, 11:55 am

Francesco Passerini engineer LEEDuser Basic Member 88 thumbs up June 7, 2018- 9:05 am This discussion has been copied in EAp2: https://leeduser.buildinggreen.com/forum/waste-rooms-0 Log in or register to post comments ...

Last reply: Francesco Passerini, Jun 7, 2018, 9:05 am

Removed windows

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on May 29, 2018, 4:57 am

In a building that is being refurbished some windows are removed and are replaced with opaque panels. How shall they be considered in the baseline model? As windows with the properties of the...

Last reply: Marcus Sheffer, May 29, 2018, 10:37 am

heat pump

NC-v4 WEc4: Water metering
posted by Francesco Passerini on Feb 19, 2018, 5:13 am

In order to achieve this credit, permanent water meters can be installed also for "Boiler with aggregate projected annual water use of 100,000 gallons (378 500 liters) or more, or boiler of more...

Last reply: Dionisio Franca, May 29, 2018, 5:32 am

rating system selection

LEED Rating System Selection
posted by Sandro Paglia on May 16, 2018, 10:12 am

Good afternoon, we're certifying a building that is 10% retail, 10% offices and 80% residential. We are unsure as to which rating system to choose, since the residential layout has not been...

Last reply: Sandro Paglia, May 16, 2018, 4:03 pm

Floor area Ratio (FAR) calculation for Zero Lot Line Projects

NC-v4 SSc4: Rainwater management
posted by Andrea Costa on Apr 30, 2018, 6:04 am

Dear all,

Please, could someone explain me in further detail how to proceed with the...

Losses through tank in HW loop

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 23, 2018, 10:04 am

ASHRAE 90.1 states:

G3.1.3.6 Piping Losses losses shall not be modeled in either the proposed or baseline
building designs for hot water, chilled water, or steam piping.

What...

Last reply: Jean Marais, Apr 24, 2018, 1:42 am

Harvesting storm water on a zero-lot-line project and discharging in a nearby canal

CS-v4 SSc4: Rainwater management
posted by Costanza Della Torre on Apr 12, 2018, 2:34 pm

Dear all,

I am not quite sure the approach we're using in a...

Last reply: Michael DeVuono, Apr 12, 2018, 4:13 pm