Rooftop Bosch 2/3 Replace existing roof mount gas/electric packaged unit with a Bosch High Efficiency Variable Capacity Heat Pump packaged unit. Install new rooftop curb and new plenums. Enlarge Return Air to 18†and a 20†X 30†High Flow Grill. Add a new 10†X 6†register to the Master Bath and a 6†duct. All new ducting is to be silver-jacketed R-8 ducting. Replace existing 40 gallon gas water heater with a Rheem High Efficiency Hybrid Heat Pump water heater. Use 220V circuit in the garage run for the welder for the water heater. Replace all registers and seal register boots to ceiling. Replace existing return air grill with a High Flow return air grill. Install the Bosch BBC100 Wi-Fi Thermostat. Remove and dispose of existing equipment. Installation includes: Title 24 HERS Certification with a third party including duct leakage testing, all comfort guarantees, new fused disconnect with weather tight whip, permits, labor, taxes, all material, crane and rebate