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...

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....

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...

Francesco Passerini engineer LEEDuser Basic Member 90 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 ...

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...

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...

Dear all,

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

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...

Dear all,

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

In the proposed system service hot water is heated in a water tank that is heated by a hot water loop that is connected with a gas boiler.

According to Table 7.8, which system shall be...