I would very much appreciate it if you would share with me comments on the following quote. I like one contractor over the others because of his qualifications and track record. My home in upper Virginia (about as far north as you can go). The project involves replacing two ASHPs with new GSHPs. My all electric annual cost is about $3500 a year. T-stat setting 65F winter and 75F summer. ~ $33.5k - Load Determination: ACCA Manual J, using Wrightsoft Software - Cooling: 91F outdoor, 75F indoor, 50% RH - Heating: 18F outdoor, 70F indoor - Upstairs Unit: Waterfurnace Series-5 (2 Stage, with hot water assist), 2 Ton Split, reuse existing attic flex spider ducts = Downstairs Unit: Waterfurnace Series-5, (2 Stage, with hot water assist.) NDV036, 3 Ton, reuse existing 3-zone ducts. - Vertical closed loop. Number of wells and depth determined by using GAIA GLD and Waterfurnace GeoLink - Loop Material: Rehau Cross-linked PE (PEX) - Grout: 1.2K thermally enhanced - Flow Manifold: All loops brought to an inside manifold - Grundfos Pump(s) - Hot water buffer tank - Commissioning included - T-stats: 3 heat, 2 cool Waterfurnace TPCC32U01 Contractor In-house Qualifications: Certified GeoExchange Designer (CGD) by Association of Energy Engineers (AEE), IGSHPA Accredited Installer, Master HVAC, Master Electrician, Master Plumber, Master High Pressure Gas, Master Waterwell Certification, PE, LEED AP. Seem about right? Any suggested enhancements or changes? Thanks in advance!