NOAA Climate Analysis for 03101: HVAC Energy Demand
In 03101 (Downtown Manchester / Millyard), summer cooling increases your kWh electric bill by 26% compared to the winter heating baseline.
Homes in this postal zone record an average of 580 Cooling Degree Days annually. High HVAC seasonal efficiency (SEER2 16+) and window tinting directly protect against top-tier summer rate charges.
Cooling Degree Days (CDD): 580
Reflects air conditioning runtime. Critical for managing peak electric bills.
Heating Degree Days (HDD): 6,750
Reflects winter furnace and heat pump energy consumption.
ZIP 03101 Transmission Boundary & Grid Station
ZIP 03101 (Manchester, US) Geographic Grid
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42.9885° N, 71.4621° W
Serving Grid: Eversource New Hampshire
Postal District: Downtown Manchester / Millyard • County: Hillsborough County
Assigned Utility Providers for ZIP 03101
Power Utility:
Eversource New Hampshire
Water Authority:
Manchester Water Works
Natural Gas:
Liberty Utilities New Hampshire