The home is in Eugene as part of low-income housing.
The test done Friday will confirm the designers and builders are on track to achieve a super-energy efficient rating.
“It’s so extreme that we’re actually testing it now before there’s any insulation, any siding or anything to see how well the project team has executed on their air sealing strategies,” said Eli Volem, EWEB Energy Management Specialist.
The home next door has the exact floor plan as the passive home, but is being built to the standard Energy Star certification.
The builders say they are going to monitor both units for two years and then compare their findings.