The combined effects of many different indoor environmental factors on acceptability and office work performance

1 group of 25 persons performed simulated office work for 2 hours in poor environmental conditions with overhead fluorescent lighting, traffic noise, hot temperature, supply air polluted, almost no daylight, and open office noise.The cost to improve each condition was estimated and expressed as a percentage of the total sumA second group experienced all the different conditions and selected the improvements they preferred, up to 50%-budget.Another group was exposed to 100 %-budget conditions. Results and conclusions are presented.