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.
The average life expectancy of an air-source heat pump is 15 years, while geothermal models, which donât use an outside condenser/compressor, can last as long as 25. 1  For each type, however, regular maintenance has a huge effect on the heat pumpâs eventual service life.