House did not flood during hurricane Harvey
Central vacuum with all attachments. The unit comes with a carpet cleaner. Keep upper screen inside blower clean and the unit has great suction. I don’t know who designed the hose but it never ever gets tangled.
House is wired for surround sound.
House has a server room.
House was wired for additional internet connections. However, with WiFi the jacks are not necessary.
Outdoor Christmas light receptacles.