3-Stage Ventilation Audit for Garage Conversions | Better Water Heaters
Converting a garage into an ADU requires more than just drywall; it requires a 3-stage ventilation audit to ensure your water heater doesn’t become a carbon monoxide risk. Learn how to maintain water heater air supply and ADU combustion safety in tight living spaces.
Unpermitted ADU Water Heater Code Trap: The $6,500 San Mateo Mistake
Think your garage conversion is up to code? We inspected 50 San Mateo ADUs and found a recurring $6,500 water heater trap that voids insurance and triggers mandatory $10k electrification upgrades.