How much does a 1.5-Ton (18,000 BTU) heat pump cost to run per month in Oklahoma?

In Oklahoma (13.4¢/kWh), a 1.5-Ton (18,000 BTU) cold-climate heat pump serving a 700–1,000 Sq Ft home consumes approximately 1,657 kWh per year, costing $222/year or $19/month on average.

1.5-Ton (18,000 BTU) Heat Pump & AC Monthly Electricity Cost in Oklahoma (2026)

1.5-Ton (18,000 BTU) Annual kWh Consumption & Operating Cost

Equipment Output Capacity:1.5-Ton (18,000 BTU)/hr

Typical Home Coverage Area:700–1,000 Sq Ft

Estimated Annual Electricity Usage (COP 3.1 / 18 SEER2):1,657 kWh/yr

Annual Heating & Cooling Utility Bill in Oklahoma:$222/yr ($19/mo)

Average Net Installed Equipment Cost (2026):$4,600

15-Year Total Cost of Ownership (Install + 15 Yrs Bills):$7,930

Model This 1.5-Ton Unit in Oklahoma → Verify Exact Room/House BTU Load →

💰 Up to $2,600 Rebate

Compare 3 Local Oklahoma HVAC Installer Quotes

Verify 2026 Federal 25C Tax Credit & OG&E / PSO Oklahoma rebate eligibility and compare turnkey contractor pricing for a 1.5-Ton system (900 sq ft).

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Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 900 sq ft Oklahoma home.

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☀️ Offset 13.4¢/kWh

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Compare Other HVAC Tonnage Sizes in Oklahoma

1.5-Ton (18,000 BTU)2-Ton (24,000 BTU)2.5-Ton (30,000 BTU)3-Ton (36,000 BTU)4-Ton (48,000 BTU)5-Ton (60,000 BTU)