Full on certified passive house looks very silly with solar this cheap, and frankly the math used to figure out a lot of the requirements is basically faulty.

Full on certified passive house looks very silly with solar this cheap, and frankly the math used to figure out a lot of the requirements is basically faulty. 2025 Code minimum is pretty decent if it's actually complied with, and 'net zero' middle ground with triple glazing is a worthwhile upgrade.