Question 1

Is this a substitute for a professional Manual J calculation?

Accepted Answer

No. A professional HVAC load calculation uses detailed factors. This tool provides simplified educational screening.

Question 2

What does BTU/h mean?

Accepted Answer

BTU per hour describes the rate of heating or cooling capacity required over time.

Question 3

Why do results vary by climate?

Accepted Answer

Different climates have different typical temperature conditions and humidity impacts, changing heat gain and loss.

BTU Calculator

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