We have a new build out of a small office in an existing industrial building. We will be adding new package roof top units with DX cooling and gas heat to condition the office space. We are...

I am doing energy model for LEED for Interiors 2009.
We work on a project that occupies 2 floors of a 7-story building. The
building has already got LEED for Core and Shell . Energy...

I am working on a small office space. I am trying to get 5 points for equipment efficiency. And the AC、Fresh air system is VRV(variable refrigerant volume),The ac outdoor unit cooling capacity...

Has anybody else had any problems using the ASHRAE 90.1-2007 Interactive Forms required for this credit when pursuing the building simulation option? The lighting form, for example, will not...

I have a small project where the existing system in a 10 story building is a water source heat pump system. From what I gather, this type of system is not very friendly towards achieving LEED CI...

I'm working on a TI project where the tenant occupies 2 floors of an 8-story office building. I have an overhead...

Like Heather's question above, what if the equipment to be installed is less than 5 hp AND doesn't fall under the HVAC equipment categories listed in section 2.9 of the CPG, such as Variable...

How can I model a clean room project where there is a lot of non process load in the HVAC. Can I assume HVAC as process load since it is not just for human comfort and is also for having the...

Considering a multi-zoning office with separate constant volume systems and zone control on every solar exposure, private office & special occupancies; can modulation of HVAC system in...

What should we consider as baseline if we are replacing some of the HVAC equipments?