Heat recovery ventilation for housing. Air-to-air heat exchangers.

Provides information for builders, architects and skilled owner-builders in the USA on the basics of using air-to-air heat exchangers in residential settings, including: 1) how heat exchangers work, 2) why and when they are appropriate, 3) how to choose an adequate ventilation rate and a machine that fits the purpose, 4) how to install, control and maintain the machine, 5) assessing the state-of-the-art in this technology and 6) information on suppliers, ventilation standards and further information sources.