The Core Performance Guide, and it's reference standard (Consortium for Energy Efficiency Commercial Unitary AC and HP Specification) has no standard for large (760 kbtu/h) systems. Table 2.9.2...

Hi,

The Advanced Buildings Core Performance Guides asks for ENERGY STAR labeled package unitary equipment.

Does anyone has experience with ENERGY STAR "equivalent" equipment...

This section is a little confusing and I am putting my interpretation of it up. Please let me know if I am correct.

Total Project Space Load (heating/cooling):
I did load...

I'm designing a building on a college campus that has a...

Hello, we have recently realized that our project gross area was one number, and the energy model done by our engineer did not include an atrium space in the middle of the project (project is on...

Hi, we have a project with a certain number of 'back up' systems for air conditioning. The main system is a geothermal ground loop but there is an air cooled chiller that will be installed as...

I'm working on a retail (grocery store) project which is pursuing LEED for Retail CI, and my question is, simply put: are we supposed to only model HVAC for EAc1.3 or can we include Refrigeration...

I am researching option 1 for Advanced building requirements. We are working in a 1 story industrial park and are installing new 10 ton and below DX RTUs. We are meeting all the efficiency...

We have 4 person meeting rooms that are typically used for less than an hour at a time, yet during our...

Our engineer used the net SF for this calculation instead of the gross SF which matches the PI forms. I know this will be a red flag, but does anyone know if this will be acceptable? Will he have...