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.
The actual cost to purchase and install a window air conditioner depends on the size and type of the unit, the local economy, the presence of any installation complications, and other factors. 1  A 5,000 to 6,000 Btu window air conditioner costs $100 to $200, while 10,000 Btu units cost $250 to $400 and 18,000 Btu units cost $400 to $700. Advanced models with heating and cooling capacity, remote controls, and programmable options might cost as much as $1,000 or more.