Hot take · 38:01
// THE QUOTE
“if you turn on 1000 cfm range hood and it's -25 outside you lose 89,000 btus per hour”
— Casey Grey · The Conscious Builder Inc.
Punchy quantified shocker — 89,000 BTU/hr lost on one fan vs his whole 4,000 sq ft house at 18,000. Lands on the contrast; instantly grabs a building audience.
Full episode at 38:01Passive 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 vs. off-grid, solar as the only practical on-site renewable
36:40
Clips like this, every two weeks.
SOURCE: 38:01 of Passive House vs Net Zero: The Full Canadian Certification Ladder with Casey Grey (The Conscious Builder)