William Birkin (ã¦ã£ãªã¢ã ã»ãã¼ã­ã³, Wiriamu BÄkin) is one of the main antagonists of the Resident Evil series. After completing his G-virus project, he is mortally wounded by agents of the Umbrella Special Forces and his work is stolen.
Life expectancy: 9 years. Replacement cost: From $50 for a compact countertop model to $2,000 for a built-in convection microwave. Negative reviews for uneven cooking and possible, hidden health hazards have done little to discourage the popularity of microwave ovens. They provide the ultimate cooking convenience.
A: The average expected life of an air conditioner is approximately 15 years. The average expected life of a heat pump is approximately 10 to 12 years, since it operates year round. The average expected life of a gas furnace or air handler may be longer.