Tag: Passivhaus
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OBJECTIVE 4.012 ~ Now Available in BETA
OpenBuilding OBJECTIVE: A Free Early-Stage Energy Modelling Tool That Actually Works Canada wastes $44.6 billion annually** on building energy inefficiency—more per capita than any country on Earth. Despite decades of voluntary standards, expensive certifications, and complex modelling software, the performance gap between modelled and actual building energy use can vary by an incredibly wide margin. …
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Domestic and Service Hot Water Use (DHW, SHW)
Summary of Canadian Domestic Water Heating Research (Using kWh) Based on the 2005 CBEEDAC report “Domestic Water Heating and Water Heater Energy Consumption in Canada” (Aguilar et al., 2005), alongside recent findings from Abdeen et al. (2020, 2021), we have reviewed our OBJECTIVE framework’s domestic hot water (DHW) energy consumption model (values expressed in litres…
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TEUI G.4.1 Net Usable Gains
First of all, if you’re not sure what TEUI3 is, Take me to the Index of Articles! If there is one, single thing that differentiates Passive House Energy Modelling from most other methods, including Hourly, Dynamic modellers, it is probably what is called the Net Usable Gains Calculation. Just semantically, think of a building as…
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TEUI T.10 Thermal Energy Demand Intensity (TEDI)
Flashes of insight aren’t that common. And when they do occur it’s easy to miss them, dismissing our intuition over what may be well-maintained orthodoxies, even if incorrect. But we can’t doubt our hunches when they unrelentingly demand our sustained attention. Such was the case while poring over about 3,000 lines of javascript code in…
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TEUI S.1 Reference Standards
If you’re not sure what TEUI3 is, Take me to the Index of Articles! TEUI3 provides 15 different preset Reference Standards, 2 are from SB12 of the OBC prescriptive path tables, one is from SB10, 6 more are from NBC/NECB, one is from Canada Green Building Council (CaGBC) and the rest are from PHI or…
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TEUI B.1 Major Occupancy
If you’re not sure what TEUI3 is, Take me to the Index of Articles! Of the 50+ user-inputs in the TEUI3 calculator, B.1 Major Occupancy mirrors the Occupancy types as set out in both the National and Provincial Building Codes of Canada. When a Major Occupancy is selected, a number of variables come into play.…
