The earliest sunrise of the month in Dublin is 5:41 AM on August 1 and the latest sunrise is 51 minutes later at 6:32 AM on August 31. The latest sunset is 9:20 PM on August 1 and the earliest sunset is 1 hour, 4 minutes earlier at 8:16 PM on August 31.
1.2 kWh x $0.25 = $0.30 per hour to run your window air conditioner. At 8 hours a day for 125 days of summer, your window air conditioner will have an annual running cost of $300 a year.
Typical costs: 1  Window-mounted room air conditioners range from $100-$300 to cool a room of 150-400 square feet (10x15- to 20x20-feet), and $300-$800 or more for larger spaces. Generally, extra-quiet, energy-efficient models with remote controls are at the upper end of the price ranges.