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In the third installment of our HVAC design series, we delve into the intricacies of sizing and selecting HVAC equipment - a sophisticated HVAC design stage this is often misunderstood. Understanding a “Ton” in HVAC A pivotal concept in HVAC sizing is the term “ton,” as in a “3-ton unit.” This term, originating in the [...]
Welcome back to the second installment in our series on HVAC (Heating, Ventilation, and Air Conditioning) design for high-performance homes and buildings. The Importance of Accurate HVAC Load Calculations When you’re involved in a new build or renovation project, accurate HVAC load calculations, often known as “Doing a Manual J,” are critical. The term refers [...]
This post is the first of a series of articles that will guide you through the intricacies of HVAC (Heating, Ventilation, and Air Conditioning) design, with a focus on high-performance homes and buildings.This first post in the series is a high-level overview of the stages of HVAC design and their impact on homes built with [...]
Over the past 5+ years, 1,000+ Net-Zero (NZ) and Net-Zero-Ready (NZR) homes have been built in Canada under the Canadian Home Builders’ Association’s Net Zero Home Program. And with that sample size, and with energy codes are trending toward the Net Zero Ready benchmark, it’s time to ask ourselves – what have we learned? [...]
More stringent energy codes are being adopted across the USA. Here is the current make up energy codes on a state-by-state basis: And here are the energy code adoptions are expected in the near future: And, recently passed federal incentives for energy code upgrades will only accelerate this trend. In the post [...]
In a previous Logix Brands blog post “Transition Details at Grade” were reviewed and one finding was that failures often don’t occur in the field of a wall, roof or the foundation, but rather at the transition from one control layer or material to another control layer or material (i.e. air control layer from [...]
Importance of Detailing Transitions Failures of the building enclosure can occur within a wall, roof, or the foundation, however, more often than not a failure occurs at the transition from one assembly or material to another (i.e. above grade wall to foundation wall or exterior to interior air barrier system). A failure at a [...]