For a preliminary review I modeled a building that is heated and cooled by four geothermal heat pumps that are located in a technical room within the building.

Hi Marcus, We've a LEED CS certified building in which the Tenant will occupy almost 100% of the total area, so we will fall in CASE 2. We obtained the CS certification EAc5.2 credit and we've sub

Since eQUEST is unable to model dedicated outdoor air system linked to the radial panels, we modeled DOAS units by creating “dummy zones” within the model.

Dear All, I’m modelling a water centrifugal chiller in System 8 of ASHRAE 90.1 (Appendix G), using HAP by Carrier. I have to need how calculate the minimum entering condenser water temperature (ECW

Dear All, We are modelling a Baseline Building with System 8 “VAV + PFP boxes” using HAP by Carrier. We are wondering how to model the VAV + PFP boxes according to ASHRAE 90.1 Section 3.1.3.14.

Is Table 10.8 mandatory for plug fans of new buildings? The fans are installed in Air Handling Units. If they are mandatory, are they mandatory both for supply fans and for return fans?

Hi all. I’d like to give the right interpretation about option2.

I’m modeling a school that is located in Italy, longitude 46°N.

Dear All, for an Italian project I need to assess the equivalency between Guarantee of Origin issued by a National energy Authority (GSE) and the Green-e standard.

Exception b. of G3.1.1 states: “use separate single-zone systems (..) for any spaces that have occupancy or process loads or schedule that differ significantly from the rest of the building”.