Airtech Air Conditioning Services Limited for all portable and fixed portable air conditioning systems. We are based in the south of England. Offering design, sale, service, installation, maintenance, and hire of various systems. Visit our online shop on www.shop.airtech.uk.com

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Design Parameters (Comfort cooling)  
 
Indoor: 22°Cdb / 50% RH Outdoor: 28°Cdb / 50%RH
Occupancy: 10 sqM per Person
Heat output per Person: 90w Sensible 50w Latent Total = 140w/person
Heat output per sqM : 9w/sqM 5w/sqM Total = 14w/sqM
 
Ventilation 12 l/sec/person (typical office)
Heat input per Person: 90w Sensible 130w Latent Total = 220w/person
Per sqM: 9w/sqM 13w/sqM Total = 22w/sqM
 
Infiltration: 0.25 Air change per hour
Heat input per sqM: 1.3w Sensible 2w Latent Total = 3.3w/sqM
 
Lighting: 20 - 25 w/sqM
Small Power: 20 - 40 w/sqM
 
Construction Heat gain:
Windows/ Double Glazed 2.8w/sqM°C = 16.8w/sqM at 6°C DT
Walls - External 0.45 w/sqM°C = 2.7w/sqM at 6°C DT
Roof 0.35 w/sqM°C = 2.1w/sqM at 6°C DT

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    Visitors since 1st May, 2003.  Copyright © 1999 Airtech Ltd    Last modified: March 01, 2005