{
 "utility": "PUD No 3 of Mason County",
 "utility_legal_name": "PUD No 3 of Mason County",
 "eia_id": 15419,
 "state": "WA",
 "state_name": "Washington",
 "url": "https://meterwise.app/wa/pud-no-3-of-mason-county/heat-pump-vs-furnace/",
 "markdown_url": "https://meterwise.app/wa/pud-no-3-of-mason-county/heat-pump-vs-furnace/index.md",
 "json_url": "https://meterwise.app/data/v1/utilities/wa/pud-no-3-of-mason-county.json",
 "json_path": "data/v1/utilities/wa/pud-no-3-of-mason-county.json",
 "updated": "2026-11-10",
 "zip_codes_served": 19,
 "quick_answer": "As of November 2026, for a typical 1,800 sq ft electrically heated home on PUD No 3 of Mason County electricity rates in Washington that needs a new furnace and AC: A heat pump comes out ahead here even with a high quote: about $12,200 less than a new furnace and AC over 15 years at typical prices, and $890 a year less to run.",
 "verdict": "heat pump ahead at any quote",
 "verdict_code": "always",
 "assumptions": {
  "floor_area_sqft": 1800,
  "insulation": "average",
  "scenario": "furnace and AC both need replacing",
  "heating_fuel": "electric",
  "lifetime_years": 15
 },
 "electricity": {
  "price_per_kwh_typical_bill": 0.1426,
  "winter_extra_kwh_price": 0.0894,
  "state_average_per_kwh": 0.1424,
  "vs_state_average_pct": 0,
  "source": "utility tariff (U.S. Utility Rate Database)",
  "tariff": "Residential Rate R1",
  "tariff_effective": "2025-03-01",
  "note": "Electricity: Residential Rate R1 tariff for PUD No 3 of Mason County, effective 2025-03-01, from the U.S. Utility Rate Database, applied tier by tier to the extra kWh."
 },
 "climate": {
  "station": "Cushman Powerhouse #2 HCN",
  "heating_degree_days": 5106,
  "cooling_degree_days": 123,
  "normals": "NOAA 1991-2020"
 },
 "heating_fuel": {
  "default": "electric",
  "price_per_therm_gas": 1.614,
  "local_mix": {
   "electric": 0.669,
   "gas": 0.168,
   "oil": 0.016,
   "other": 0.087,
   "propane": 0.061
  }
 },
 "heat_pump": {
  "option": "Heat pump (replaces both)",
  "annual_saving_vs_like_for_like": 889,
  "break_even_quote_gap": 13330
 },
 "options": [
  {
   "id": "like",
   "option": "New electric furnace + new AC",
   "installed_typical": 11760,
   "installed_low": 8512,
   "installed_high": 15232,
   "rebates": 0,
   "energy_cost_per_year": 1278,
   "electricity_kwh_per_year": 14296,
   "fuel_per_year": null,
   "total_15_years": 30930
  },
  {
   "id": "hp",
   "option": "Heat pump (replaces both)",
   "installed_typical": 12880,
   "installed_low": 8960,
   "installed_high": 16800,
   "rebates": 0,
   "energy_cost_per_year": 389,
   "electricity_kwh_per_year": 4355,
   "fuel_per_year": null,
   "total_15_years": 18720
  },
  {
   "id": "hp_cold",
   "option": "High-efficiency cold-climate heat pump",
   "installed_typical": 16800,
   "installed_low": 12320,
   "installed_high": 22400,
   "rebates": 0,
   "energy_cost_per_year": 322,
   "electricity_kwh_per_year": 3605,
   "fuel_per_year": null,
   "total_15_years": 21634
  }
 ],
 "rebates_checked": false,
 "rebate_programs": [],
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "citation": "MeterWise, \"Heat pump vs. electric furnace and AC on PUD No 3 of Mason County rates (WA)\", updated 2026-11-10, https://meterwise.app/wa/pud-no-3-of-mason-county/heat-pump-vs-furnace/"
}