We are using a heat pump type water heater. The refrigerant capacity for the unit is over the 0.5 lb threshold.

SS C6.1 has two cases: Case 1: Sites with existing imperviousness 50% or less: Requires proposed runoff not exceeding the existing runoff. Case 2: Sites with existing imperviousness greater than 50

off-gassing of asphalt impregnated felt underlayment for under wood floor. Does anyone have any documented info indicating problems with off-gassing of asphalt impregnated felt underlayment for un

All, Is a break room sink in an office space considered a kitchen sink with a 2.2 gal/min baseline or a commercial lav with a .5 gal/min baseline?

Hi all, We are analyzing a project that is on a higher ed campus but serves pre-K students.

We are currently adjusting a few credit submissions based on Prelim. Construction review feedback and one credit will change material costs from $35k to $100k.

Can anyone claim points under the Innovation in Design Credit-Path 1 for using dynamic Glazing in the project?

I should know this, but.... Is it OK to run the WEc1 calcs with the same landscaped area (in square feet), but with different plantings in the baseline and design cases?

Any idea if this credit could be followed for an innovation point under v3? We are reusing an historic church, with an addition.

We are working on a major renovation healthcare project for a four story building which is fully owned by the owner.