Waterproofing Membranes
Air Sealing Tapes
Waterproof Flashing
Triple-Digit Heat, but No Electric Bill? For Passive Homeowners, It’s Hard to Go Back
It was the open, modern style of the house in West Roxbury, Mass., that first got one couple’s attention. . . .
Double-Studded Walls: Why Build them and How to Do ItÂ
Learn about the benefits of double-studded walls for passive house construction and various construction methods to achieve superior insulation and energy efficiency.
Why is the Thermal Envelope so Important? Â
Learn how to prevent thermal bridging and explore high-performance building supplies at Source 2050.
Your Guide to NYC Local Law 97 for Sustainable Building
NYC’s Local Law 97 aims to reduce carbon emissions in buildings by 40% by 2030. Understand how to comply and the benefits you qualify for by doing so.
New Tool for Assessing Upfront and Operational Emissions: No Passive House Emissions Backfire Found
The past few years have seen a rapid ramp up in our collective understanding of the impact of embodied carbon
Performance Consulting Guided by Building Science
Positive Energy is a unique firm. We actually might be crazy for doing the kind of work we do in
Is the Greenest House the One That’s Already Built?
When it comes to combatting climate change, the high-performance building industry has made great gains by focusing on reducing operational
Habit Studio Rehabilitates Historic Halifax Home
Construction is in progress on Halifax, Nova Scotia’s first Passive House retrofit, designed by Habit Studio and built by Root
A Home Rebuilt for Barcelona
How do you sell the benefits of Passive House in a climate that is pretty lovely most of the year?
Comprehensive Passive Strategy in a Brooklyn Brownstone
 Carroll Gardens sits just south of downtown Brooklyn and is well known for its artisanal shops, leafy residential streets,