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In this final installment of our 6-article deep dive into HVAC Design for High Performance Homes where we put it all together in this Case Study and illustrate all the concepts we’ve discussed in the previous 5 articles, which are: Manual J, Manual S, Manual D/T, and fresh air ventilation.The new home in this case [...]
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 [...]
It’s no secret that insulated concrete forms (ICFs) offer higher energy performance than wood-framed or CMU assemblies. But did you know that building with ICFs helps you cut your labor expenditures in two significant ways? In fact, insulated concrete forms are deliberately designed to boost site productivity and slash labor costs. ICFs can reduce [...]
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 [...]