Mechanical

Utilities
1. 660 Amps?
2. Air compressor with outlets on all 4 sides of house and in garage.
3. Gas for stove, BBQ, possible outdoor fire pit.
4. Gas to kitchen, deck (BBQ), backyard.
5. Backup generator? To run refridge (2), lights, etc. I was thinking gasoline powered.
6. Attic insulation. Spray foam, fiberglass, other? R value?
7. Hot water. Thinking 75 gallon gas heater?
8. Water pipes. Copper, PEX, other?
9. Laundry Room. Have both 220 and gas outlet for dryer.
10. HVAC in Sun Room (not in Cabana).
11. HVAC in garage???
12 Total HVAC tonnage? Assume 3700SF then 8 ton? What if we add garage then 15 ton??? Two unit system???
13. HVAC units in attic.
14. Garage insulated?
15. Gas tank underground 300 gal???