Introducing: The Source 2050 Window Schedule
Source 2050 continues to innovate in providing an e-commerce experience for designers and contractors creating energy-efficient buildin...
FAQ’s
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. . . .
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 (more aptly called “upfro...
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 the face of relatively low historical ...
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 operati...
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 Developm...
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? Micheel Wassouf, principal of Energi...
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, and histori...
Passive House Intro
The Passive House approach empowers us to build better. It creates durable, resilient buildings that slash heating energy use by as mu...
Our City Could Become One of the World’s Greenest, but It Won’t Be Easy
Rules are being drafted to guide compliance with a 2019 New York City law that requires most of about 50,000 buildings, many over 25,0...