• City force – Good building department software for small to midsize jurisdicitons

• SBCA – Truss Handbook – Truss Handling and installation – free download.
• ATC Council (Wind Speed) – works on addresses.
• Engineering Express – Great engineering worksheets to get design pressures.
• USGS (seimic)

Heat pump water heaters are great for houses that do not have gas and need to conserve energy on water heating. The bi-product is cool air. Below are three links to see how they work

• GE Heat Pump Water Heater
• AO Smith Heat Pump Water Heater
• ICE Bank Storage – make and store ice at night and use it for AC during the day.
• Photo Luminescent Exit Signs – have no electrical hookup (glow in the dark)

• ​Rated Barriers and Partitions Comparison – NFPA 101 and IBC
• FEMA P1019 Emergency Power Supply Checklist
• Gender Neutral Bathrooms
• Electrical Services – Townhouses