HVAC calculations

HVAC calculations

Anyone know of a formula or a web site that helps with HVAC sizing, I know
the old rule of thumb, 1 ton of cooling to 500 sq. feet, looking for more
acuracy in the numbers.

Re: HVAC calculations

Look up manual J for HVAC

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"Craig M" <craig_6444@sbcglobal . net > wrote in message
news:RIJVj.3438$3O7.3080@newssvr19.news.prodigy . net ...
> Anyone know of a formula or a web site that helps with HVAC
> sizing, I know the old rule of thumb, 1 ton of cooling to 500
> sq. feet, looking for more acuracy in the numbers.
>