RDH Expands Passive House Verification Services in Massachusetts
We’re excited to announce that John Mann, EIT, CPHC, of RDH has recently achieved certification...
Read MoreFeatured Blog Post
September 15, 2015
A Breath of Fresh Air on the Topic of Indoor Air Quality
What are the effects of poor air quality in a residential building? Does your building...
Read More
September 4, 2015
Al’s On the Move! Fall 2015 NAFS Education Sessions
Al will be speaking on various fenestration-related topics at numerous events across Canada. View a...
Read More
August 24, 2015
How Can a Deep Energy Retrofit Make a Difference in Your Building?
Condominium owners know how much they are paying for electricity and gas when their bills...
Read More
August 7, 2015
NAFS in the Code—Part 5
We are using NAFS, the North American Fenestration Standard, for one reason only—because it is...
Read More
June 13, 2015
What’s Hiding in My Building?
“Sometimes, the most dangerous things are those that are hiding in plain sight.”
Read More
April 24, 2015
Products Outside the Scope of NAFS
Canadian building codes make a clear distinction between products that are within the scope of...
Read More
April 7, 2015
Re-Thinking Ventilated Attics: How to Stop Mold Growth in Coastal Climates
Mold growth on the underside of sheathing has become an epidemic in the Pacific Northwest....
Read More
March 29, 2015
NAFS Labeling for Large Buildings
NAFS labeling means putting a label on every window, right? . . . Or does...
Read More
March 10, 2015
For our American Friends: 7 Essential Tips for Complying with NAFS in Canada
While NAFS has mostly harmonized fenestration testing requirements between the U.S. and Canada, there are...
Read More
February 10, 2015
NAFS and the Problem with Mullions, Take 2
Patrick Flannery of Fenestration Review sat down with Al Jaugelis in December to discuss the...
Read More