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Laminated Formula Sheet with Weather Factors
Laminated airflow reference formula sheet
Heavy duty laminated reference sheet with airflow formulas and weather factors
Price:
$
6.00
Availability::
Usually Ships in 24 Hours
Product Code:
HEY-FORM1
Description
Extended Information
A laminated sheet with useful, airflow related formulas on one side and the ASHRAE weather factors on the other. This item ships via USPS First Class Mail for the fixed rate of $3.00. Please provide a ship to address that is recognized by the USPS. If you need to change this method, just call 866-389-8578 to place your order!
This laminated sheet is a quick reference for five formulas that are not always easy to find:
Converting CFM50 to ACH50 and ACH50 to ACHn (useful for meeting building code requirements);
Calculating the airflow through a hole when you know the size of the hole and the pressure difference;
Calculating the ASHRAE 62.2-2010 Infiltration credit (helps to reduce the whole building ventilation rate);
Calculating the static pressure in a duct run when you know the effective length and the cfm (very important for designing an HRV/ERV duct system);
Determining the air movement through a duct when using a Pitot tube (particularly useful when measuring the air being drawn in from the outside to the return side of an air handler or the flow through a dryer vent).
Product Details
One side has formulas and term values. The other side has the weather factors for about 200 weather stations across the U.S. and Canada.
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