How much does it cost to run an air conditioner in Alaska?

Short answer

A 3-ton central air conditioner in Alaska costs about $3.62 in July and $5.89 a year at 27.32¢/kWh; an 8,000 BTU window unit about $0.71 in July.

• Alaska pays 27.32¢/kWh on average for Jan–Aug 2026 — 50% above the U.S. average of 18.19¢, the 8th most expensive of the 50 states and DC.
• Alaska averages 13 cooling degree days a year against 1,216 nationally (NOAA), so we estimate 8 full-load cooling hours — 0.2 a day in July.
• A new 3-ton split system sold for Alaska must reach at least SEER2 13.4 (DOE northern region); it draws about 2.69 kW on average and $0.73 an hour.
• Moving up to the ENERGY STAR average of about SEER2 17 would cut the yearly bill to $4.64 — $1.25 a year less.
• The average Alaska home used 564 kWh a month in 2025; this system adds 13 kWh in July.