Tools tagged #sizing

Every ecech. tool tagged sizing: 6 free calculators and utilities across Home & Construction. No signup, runs in your browser.

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AC BTU Sizing

Dehumidifying needs sustained runtime. A unit that is too big hits the temperature target and shuts off before it has dried the air.

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Attic Ventilation

Exhaust vents draw air from somewhere. With the soffits blocked, the nearest supply is the heated house below.

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Generator Sizing

Motors do not all start at the same instant. Summing every starting watt buys twice the machine; ignoring them trips the first time the pump kicks in.

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Lumens Calculator

Watts stopped meaning brightness when LEDs arrived. The number that sizes a room is lumens per square foot, and it varies four to one.

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Voltage Drop

A 20 amp circuit 100 feet away drops 6.6% on 12 AWG. Sizing by amps alone is how a long run ends up dim and a pump motor dies young.

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Water Heater Size

Only 70 per cent of a tank is usable, and recovery rate makes up the rest. First-hour rating is the number that decides whether you run out.

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