Greetings,

The project we are modeling consists of two building attached tightly one to the other (wall to wall). The HVAC project has been developing  these two building by applying one...

Hello,

I'm working on an airport project expansion project. The LEED coach told us that we have to include the airplane jet bridges, ground power units (GPU) and preconditioned air units (...

Hi there,

I am calculating the energy performance of a highrise building located in a warm climate place. The client want to have a very high WWR (>60%) even in the south facade. I...

Recent ASHRAE/IES Standard 90.1-2019 Updates include the possibility of installing an air curtain system instead of installing a Vestibule / Revolving Door Entrance.

Can this ruling be...

According to ASHRAE 90.1 / Section 9.4.1.2 , Do we have to install occupant sensor or a timer switch in electrical and mechanical rooms? 

Thanks, 

According to ASHRAE 90.1, section 9.4.1.6 „g. Stairwell Lighting – Lighting in stairwells shall have one or more control devices to automaticcly reduce lighting power in any one controlled zone...

Good afternoon all,

We are working on a distribution center, most of the project is a merchandise warehouse with automatic systems for the movement of the merchandise, such as shuttle...

Hello everyone,

We have worked on several residential projects, but we want to bring back a question that has some contradicting (and confusing) answers trying to get an updated solid...

Hi,

We are working on a project which should have mixed-mode systems for ventilation. What we would like to know is how we should be estimating the fresh air rates for the Baseline model?...

Hello everyone,

I would like to ask for your views on the selection of baseline system type for industrial objects. As a specific example, we have a production hall with 32,000m2, 11m tall...