Comment on We changed our roof and cut CO2 emissionsparentComments−liveoneggs4yAs I understand it -- In a passive house you exchange air with an always-on air exchanger (HRV or ERV depending on your climate) which also has filters.
Comments
As I understand it -- In a passive house you exchange air with an always-on air exchanger (HRV or ERV depending on your climate) which also has filters.