How Windows Make (or Break) Wall Performance

The thermal performance of your building’s walls is only as strong as the weakest link, and windows are too often that weak link. Even if you’ve gone to great lengths to build a super-insulated high performance wall, if you poke that wall full of holes, then plug those walls with mediocre windows, you will get a poorly-performing wall. Bad windows will ruin the best wall assemblies. Conversely, good windows can…


Window Specs and Submission Processes

Frontloaded: Dealing with specs, u-values, little-e acoustic, and the NYC DOB submission process. With a switchover to an automated DOB project system, New York City now requires a more rigorous up front paperwork filing process. When it comes to windows and doors, understanding the specification and testing thresholds being requested by the DOB versus what's being requested by the passive house community adds another layer of complexity. In this talk…