I've been hearing recommendations for bipolar ionization, as a way to filter airborne virus particles in HVAC systems while avoiding the energy penalty of increased ventilation.

Hello Everyone,

Hi all --

Hello friends in the construction group!

I have been watching LEED Zero for a while, and have appreciated certain things, but one thing I think is an absolute disaster is their allowance of mainline RECs for claiming Zero Energy and Zero

We're now mid-way through Summer Summit season! One of the “good problem to have” challenges we’ve had at recent SDL Summits has been too many great five-minute presentations.

I was wondering if any of you have experience with integrated PVs and/or solar glass. If so, can you could recommend manufactures for each?

Hi all -- 

Hope I'm posting this in the right place.  I have a client who's interested in estimating the embodied carbon of multiple buildings (primarily apartment buildings) they own and operate. 

Hi Green Gurus!