I am modeling a geothermal heat pump system with a geothermal heat pump DOAS unit.

We have the project of to 250,000 sq ft. The Air conditioned area is only 50,000 sq.ft. The rest is enclosed unconditioned area (No HVAC) of 200,000 sq.ft.

Hi, The project intents to follow option 3 Perspective compliance path Advanced Building Core Performance Guide.

A new project, under LEED-NC, is a major addition to an existing building, in this case a manufacturing facility which will result in basically three sections New Office, Existing Office, and Exist

Dear Concern:- 1.Is the LEED v2009 Minimum Energy Performance Calculator sheet is mandatory for LEED 2009 project submission 2.what is the difference between Revised Section 1 4 Tables (Jan 201

Greetings, The project I'm modeling has several DOA AHUs. Every AHU has a single CO2 sensor located on the return duct next to the unit.

I'm trying to model a wood framed 4 story multifamily building, and the client wants to go without continuous insulation which is what's called for on table 5.5-4, resulting in a higher U value th

Hello, As required by 7.4.2 Equipment Efficiency of ASHRAE 90.1-2007, for a water heater less than 12 kW and more that 20 gal, the required performance is EF=0.97-0.00132*V. My question is: is ther

Regarding what is taken as a process energy.

Greetings, ASHRAE 62.1-2007 establishes a ventilation exhaust rate for garages of 0.7 cfm/sq.ft. Our project has lower rate and besides it applies a CO control settings of 20mg/m3. The question is: