Dear Group, As you know additional requirements from LEED led to purchased heat water coils being substituted for furnis heat coils in some unitary systems.

We would like to ask something regarding a comment from a reviewer for EAc1, this is a rather vague comment in our view.

I am working on a new project which consists in 5 buildings, all have its own HVAC system designed, 3 of them have a complete HVAC, and the other 2 will only have Mechanical Ventilation to cool the

Can the mandatory requirement of swimming pool cover be exempted if an air-souce heat pump is used for pool heating? The pool is heated to 30 ºC, is the pool cover mandatory in this case.?

Hi, Can you help with the following two issues: 1.I understand proposed total installed lighitng power has to be the same in the energy model and in SSc8.

If you have a multi-family building with curtain walls can it still meet the requirements for the energy model? How should the baseline be done?

Our project is an existing 36,000 sf museum with a planned 18,000 sf addition. The existing portion is served by a dual-duct HVAC system with a boiler and chiller plant.

Hello all, I am working on a project where a few of the AHUs and FCUs are defined but scheduled to be installed later in the future - phase II.

I’m currently working on a LEED certification of a public natatorium that has three swimming pool tanks.

How is ASHRAE 6.4.3.1.2 5 degree deadband interpreted? 70-75 deadband provides six temperatures in which the thermostat is "dead".