Greetings, In the project we are modeling, there are air conditioners which are supposed to operate in cooling mode at OA temperature close to the design heating OA. In this table and also in othe

Hello all, We are attempting to model a cogen system (using gas to create electricity and using waste heat for domestic water heating). My questions are as follows: 1.

We have project using district steam. We use DES v2 to calculate the virtual rate based on state averaged electricity (0.084$/kWh) and gas (0.00757$/MBTU).

Hi ! According to building envelope compliance documentation Part I, revolvning doors should have air leakage less than 1,0 cfm/ft2. A manufacturer of revolving doors informed me that all revolvin

The project seeking LEED certification includes air-to-water heat pumps (4-pipe), that are able to produce hot and chilled water (simultaneously or separetly).

I am trying to select the baseline cooling system of a food industry.

I’m modeling a project where there is an external basketball court, which is illuminated. I’m considering Table 9.4.5 “Lighting power densities for building exteriors” for the baseline model.

Hi, I'm doing a LEED certification and I have a three floors office building, with three underground floors for parking purposes only. These three underground floors have NO HVAC system, they are

Hello everyone, I'm working on a project where an existing building is being renovated but there is also a smaller new addition extending the building.

Can anyone please clarify if packaged air-to-water heat pumps (chilled and/or hot water production) have to: 1) comply with minimum efficiency requirements set to for water chilling packages in coo