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

Hi, I have a doubt on how to model the baseline HVAC system of a specific project, which consists of a 4-floor base building from which rise two tower with independent HVAC systems.

I know that I can take credit for automatic daylighting controls under the Performance Rating Method of Appendix G.

I looked thru all 2000+ comments and didn't see this addressed. I have a hotel project with a pool, fitness room, vending/ice machines, ect.

I’m working on project with two mid-rise buildings, one for the office and the other is for parking garage mostly are naturally ventilated.

Hello: I have a 3 story mixed use healthcare facility with offices, exam rooms, treatment rooms, research areas, and a surgical suite.

Hi, Our office building is ventilated with a constant volume AHU and conditioned by VRF system. AHU supplies 100% fresh air to the spaces, while VRF system provides heating and cooling.

I have wall assemblies with no cavity insulation but 3-4 inches rigid insulation outboard of structural sheathing. The wall is finished by a composite metal panel.

Greetings, Regarding VRP Compliance Calculator (IEQp1), there is a question on how to enter an AHU having the following characteristics: The AHU is a constant volume device; supplying to several