What should be the baseline for interior glazing such as for atrium and partitions? Generally, the designed case will be SGU with high U value and SHGC.

Hi All, I am modelling a VRF system using ApacheHVAC in IES. But have no idea which prototype to choose.

I am working with a data center project which have 3 floors but air conditioned area is less than 25000 sqft. But total area is exceeding 25000 sqft with unconditioned toilets and corridors.

Hi everyone, I am doing energy modeling for my project in Pakistan and i want to need some clarification and help from seniors: 1) Is it true that for baseline and proposed case HVAC system shoul

The project is a 67000 sqft, six floored building. There are rooms with high equipment loads of greater than 20W/sft . The total area of these type of rooms adds up to 14,000 sqft.

We are working on a hotel project. The guest rooms have a key tag system where the lights and AC switches off as soon as the guest removes the key from the key slot.

I have a question about fan cycling for system 1 in residential units. G3.1.2.4 says fan should be on whenever space is occupied. Does this applies to residential units?

I have a 90.1 App G. interpretation question. G3.1.2.6 requires economizers in certain climates. The only exceptions are for gas-phase air cleaning and supermarket open refrigerated cases.

I'm modeling a residential building with water to air heat pumps in all apartments.