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.
Central Air Conditioners. Central air conditioners typically last from 10 to 15 years. The lifespan of a central cooling unit may be reduced if its capacity is not properly matched to the cooling load of the home.urnace Lifespan. The average service life of a new furnace is 15 to 20 years. Most furnace parts that fail during that span are replaceable at a cost that makes repair a better call than replacing the entire furnace.