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Mixed / Temperate · ~16¢/kWh · 5-month season

Air conditioning in Virginia: sizing, costs & the right units

Virginia's humid subtropical climate makes Richmond, Hampton Roads, and the DC suburbs hot and sticky from late May into September, while the Blue Ridge stays milder. Tidewater humidity near the coast is the comfort headline for the state's biggest population centers.

Updated June 2026

What to look for in Virginia

Size for the Tidewater and Piedmont heat where most Virginians live, and favor strong dehumidification. Coastal Hampton Roads buyers should account for salt air on outdoor coils. At mid-range rates over a 5-month season, a high-efficiency inverter is worth it.

What cooling costs in Virginia

Estimated at Virginia's average residential rate (~16¢/kWh, approximate) and 8 hours/day. "Per season" assumes 5 cooling months. Your utility rate and usage will vary.

UnitEfficiencyEst. / monthEst. / season
Senville LETO SENL-12CD
Mini-split
 21.2 SEER2 $25 $125
LG Dual Inverter LW1022IVSM
Window
 15 CEER $26 $130
BLACK+DECKER BPACT14WT
Portable
 6.1 CEER $88 $440
Climate-matched

Units that fit Virginia's climate

All 49 units

Virginia AC questions, answered

How many BTU do I need in Virginia?

Use the Mixed/Temperate zone for the hot, humid lowlands. A 300 ft2 room lands near 6,500-7,500 BTU, toward the top in humid Tidewater.

What type of AC works best in Virginia?

Inverter window units and mini-splits — long low-speed cycles handle coastal Virginia's humidity far better than fixed-speed units.

What does AC cost to run in Virginia?

At ~16 cents/kWh and 8 hours a day, an efficient 12,000 BTU unit runs about $27-36/month over the cooling season.

Electricity rates are approximate state averages; check your utility bill for your exact rate.