Read more about the article The technical breakdown: How Manual J calculations ensure precise cooling
The technical breakdown: How Manual J calculations ensure precise cooling

The technical breakdown: How Manual J calculations ensure precise cooling

The Airflow Manifesto: Why Your HVAC Horsepower is Meaningless Without the MathI remember my old mentor, a man who had more refrigerant in his lungs than oxygen by the time…

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Read more about the article Why Manual J calculations are the only way to satisfy your local building inspector
Why Manual J calculations are the only way to satisfy your local building inspector

Why Manual J calculations are the only way to satisfy your local building inspector

The Death of the 'Rule of Thumb' and the Inspector’s New HammerI remember my old mentor, a man who had more silver in his hair than a brazing rod and…

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Read more about the article Manual J calculations: The engineering blueprint for a perfect furnace installation
Manual J calculations: The engineering blueprint for a perfect furnace installation

Manual J calculations: The engineering blueprint for a perfect furnace installation

The Curse of the Overblown Blower: Why Your Comfort Is DyingYou’ve seen it. One bedroom is an icebox while the living room feels like a sauna. Your furnace kicks on,…

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Read more about the article How Manual J calculations prevent the dreaded ‘cold room’ syndrome
How Manual J calculations prevent the dreaded 'cold room' syndrome

How Manual J calculations prevent the dreaded ‘cold room’ syndrome

The Ghost in the Ductwork: Why Your Back Bedroom is an IceboxYou’ve felt it. You’re walking through your house, the thermostat says 72 degrees, and everything seems fine until you…

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Read more about the article Manual J calculations: The difference between constant comfort and a humid house
Manual J calculations: The difference between constant comfort and a humid house

Manual J calculations: The difference between constant comfort and a humid house

The Myth of the 'Big' AC: Why Your Oversized Unit is Failing YouI remember my old mentor, a grizzly veteran who smelled like tobacco and 410A, screaming at me during…

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Read more about the article The math of comfort: Why Manual J calculations save your system from short-cycling
The math of comfort: Why Manual J calculations save your system from short-cycling

The math of comfort: Why Manual J calculations save your system from short-cycling

I remember my old mentor, a grizzly veteran who’d spent more time in crawl spaces than in his own living room, screaming at me over the roar of a 5-ton…

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Read more about the article Manual J calculations: The key to selecting the right heat pump technology
Manual J calculations: The key to selecting the right heat pump technology

Manual J calculations: The key to selecting the right heat pump technology

My old mentor, a grizzled tin knocker who could smell a cracked heat exchanger from the driveway, used to grab my shoulder and scream, 'You can't cool what you can't…

Continue ReadingManual J calculations: The key to selecting the right heat pump technology