Pressure Conversions: 1 atm = 14.7 lb/sq.in; 760 mm of mercury; 760 Torr; 407.399 in of water; 101,325 Pascals 1 Pa = 0.0040 in of water (1 in. water = 250 Pa) 8 Pa = 0.032 in of water Specific Heat tables show that brick has a specific heat of about 0.24 Btu/lb F or kcal/kg C - same as air when converted from the 1.0 kJ/kg K reported by Wikipedia. Water has a specific heat of 1.0. Detroit Radiant Products Co.* 21400 Hoover Road Warren, MI 48089 586 756 0950 (fax 586 756 2626) Scott Fleet, Director of Engineering* Heat Wafer Good general explanation of radiant heating principles. Cites ASHRAE study. Manual J Ventilation and Makeup Air by Henry T Rutkowski Mean Radiant Temperature an informative non commercial site promoting radiant heat - lots of links. Plumbing and Mechanical Magazine with lots of radiant heating articles and links. Radiant Heating Links Radiant Design Institute radiant floors - Mavis* Roberts-Gordon, Inc. 1250 William Street, P.O. Box 44 Buffalo, NY 14240 800 828 7450 or 716 852 4400 (fax 716 852 0854) (Published "Sir Wm Herschel, Infrared Handbook" by Timothy Seel in 1990)* Shelter Supply 17725 Juniper Path Lakeville, MN 55044 800 762 8399 or 952 898 4500 (fax 952 898 4555) (Make-up air systems recommended by Bruce Manclark of Delta T*) Solaronics, Inc. 704 Woodward Ave. Rochester, MI 48308-0217 800 223 5335 or 248 651 5333 a radiant heater manufacturer with an informative website HVAC Certification HVAC Industry Links HVAC manufacturers and more listings. back to Heating and Ventilating

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