Story · 35:36
// THE QUOTE
“we just renovated a 160 year old stone home and he had a 1500 cfm hood in it”
— Casey Grey · The Conscious Builder Inc.
Concrete cautionary tale — tightening a 160-year-old home plus a 1500 CFM hood and fuel-burning appliances becomes dangerous, sucking CO2 back in. Self-contained safety lesson.
Full episode at 35:36Passive House vs Net Zero: The Full Canadian Certification Ladder with Casey Grey (The Conscious Builder) ▸
THE LESSON THIS CLIP CARRIES
A 1,000-CFM kitchen range hood at -25°C expels ~89,000 BTU/hr — nearly five times the entire heating load of a 4,000-sq-ft passive house; oversized exhaust fans are both wasteful and dangerous with fuel-burning appliances in tight homes.
“you lose 89,000 BTUs per hour by running that thousand-cfm range hood”
THE CHAPTER IT LIVES IN
Net zero by 2030 — technology vs. training gap
30:30
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SOURCE: 35:36 of Passive House vs Net Zero: The Full Canadian Certification Ladder with Casey Grey (The Conscious Builder)