Green construction is primarily a value-engineering challenge!
Energy supply and demand must be managed and balanced as appropriate to the climate conditions of the region.
How to get the bang-for-you-buck in the Mid-Atlantic region
High Efficiency, (92% AFUE+) Zoned HVAC Gas Furnace Zoned Electric A/C SEER 15-17 Energy Recovery Ventilation (ERV) systems built-in to HVAC On-Demand Tank-less Gas Water Heater (Self Condensing, 92%+ efficiency) R-49 Ceiling Insulation . R-19 Exterior Wall Insulation. R-15 Exterior Basement Walls. Closed-Cell R-3 Foam-flashed attic floor Spray-foam insulation under floors that are open below Premium Insulation package with foam insulation in select areas Whole-House Air Seal Wrap Wood or vinyl-clad Windows, Argon-filled Double or triple Glazed, Low-E Insulated patio Doors Solid-wood Front Door Sill Sealer Air Seal Caulking Duct Mastic Programmable Thermostats for each Zone CFC or LED light bulbs Ceiling Fans Light Tubes Solar panels