NAFS in Canada

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Many design professionals need concise and reliable information in a hurry. It’s a fact of...

As the urgency to combat climate change grows, U.S. cities are implementing policies to reduce...

Mayor Michelle Wu unveiled Boston’s Net Zero Carbon (NZC) Zoning Amendment, making it the first...

California’s benchmarking program requires owners of large commercial and multifamily buildings to report energy use....

We are excited to announce our new Principals, Associate Principals, and Associates of 2025! Their...

We’re excited to announce that John Mann, EIT, CPHC, of RDH has recently achieved certification...

If you own a large commercial or residential building in the city of Seattle, it...

Climate resilience advocate and Passive House Specialist, Monte Paulsen, passed away on June 22, 2024....

Folks—the news is official: Dave Ricketts, the “R” in RDH and one of our three...

Deep retrofits—which can achieve 50% or greater energy savings— present an opportunity to improve many...

To celebrate National Preservation Month, we honor the historic building projects that epitomize our commitment...