High-performance building envelopes are rewriting the playbook for HVAC contractors — as buildings are getting more airtight and insulation more robust, loads drop and demand curves flatten, meaning ...
BUILDERS ABOUT WHAT IS CALLED áPASSIVE HOUSING.á <TALIA STANDUP> HERE ON FRONT STREET.. THE PORTLAND HOUSING AUTHORITY IS REDEVELOPING THIS AREA INTO MORE THAN 100 áAFFORDABLE PASSIVE HOUSING UNITS.