Measure air quality
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Is there an inexpensive method of testing indoor air quality?
I want to test: Winter air with HRV running. Winter air without HRV running. Summer air, window only ventilation.
Thanks, John
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Replies
Google shopping: CO^2 measuring:
http://www.google.com/webhp?rlz=1C1RNCN_enUS342US378&sourceid=chrome-instant&ie=UTF-8&ion=1#hl=en&rlz=1C1RNCN_enUS342US378&q=co2+measurement+device&pdl=300&um=1&ie=UTF-8&tbo=u&tbs=shop:1&source=og&sa=N&tab=wf&biw=810&bih=460&fp=7b52f50e6a17a9f7
Temperature and humidity:
http://www.google.com/webhp?rlz=1C1RNCN_enUS342US378&sourceid=chrome-instant&ie=UTF-8&ion=1#sclient=psy&hl=en&rlz=1C1RNCN_enUS342US378&biw=810&bih=460&tbs=shop:1&q=temp+and+humidity&aq=f&aqi=&aql=&oq=&pbx=1&fp=7abac5901ca53ac6