We are following the option 2 ASHRAE AEDG presciptive path for a project. One of the AEDG requirements for HVAC is for a heat pump >135 kBtuh to be at minimum 10.1 EER or above.

Has anyone done a VRF system serving various zones using say heat pump VRF units and then providing outside ventilation air from a separate dedicated unit serving the same various zones?

Hi, I have to recalculate the chiller COP of Baseline Building, to consider the power of the fans? Or just put the COP marked by Standard 90.1 and attributed the fan power calculated by the Stan

We are building a 13 story building that will have the envelope panels in place two years before all openings will be enclosed.

Any suggestions on a source for templates that can be used to document a staff training program? I am actually working with LEED EB v2.0, EAc3.1. Thanks!

hi, Anyone has a reference or sample of the educational building program plan? and can anyone experienced through this credit advise about what is needed for its documentation?

How do I simulate a heat pipe in the Baseline case? The proposed case has two split DX AHUs serving 22 & 15 zones respectively.

We are starting design for a residential tower in Zone 1 (Hawaii) that will use natural ventilation and no mechanical air conditioning.

Hi, in our project we have a 60% of the site vegetated, planted with meadow, we have a small impervious surface near the building, and the building itself.

We have a project with two independent buildings on a single site.