For example, on City-data.com, some forum members paid $2,600 for a 13 SEER 3-ton unit, while someone else paid $2,275 for their 3-ton unit. If we are talking about a car air conditioner compressor, the costs can vary anywhere from $350 to as much as $1,025 to have one professionally installed. The cost will depend on the mechanic and brand. The parts alone will vary anywhere from $100 to $300.
As at December 1, 2007, the average age of WestJet's Next-Generation aircraft was 3.2 years. WestJet's fleet includes the Boeing Next-Generation 737-600, 737-700 and 737-800. Both the 737-700 and 737-800 series aircraft are all equipped with blended winglets.
Although many passengers express concern over flying in propeller-driven planes -- and some liken such flights to riding on the back of a mosquito -- a growing number of people are finding that propeller aircraft are the only type of planes flying to their destinations.