Upfront and operating costs of residential upgrades for an average pre-1980 townhome in Ithaca, NY

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Note: The Green Upgrade Calculator Version 1.4 home simulations for this analysis correspond to state EIA Residential Energy Consumption Survey 2020 housing characteristics microdata. Envelope improvements include adding insulation and sealing air leakages. Operating costs are calculated over 15 years with a 3% discount rate.