Ozwell E. Spencer (ãªãºã¦ã§ã«ã»Eã»ã¹ãã³ãµã¼, Ozuweru E SupensÄ) is one of Resident Evil's most important and mysterious characters. In the series, he is the owner and co-founder of the Umbrella Corporation, a pharmaceutical drug company that secretly manufactures bio-organic weapons.
These types of pumps give very reliable performance for a number of years. Unfortunately, life is hard for a motor stuck in the bottom of a well. The average lifespan of a pump is probably about 10-15 years. Some pumps will definitely go longer, while some stop working in less. One way or another, the pump will need to be replaced at some point. The pump to the left was in use for about 12 years.
Life Expectancy. Estimates of a heat pump's lifespan vary slightly. Kansas City Power & Light reports that heat pumps generally last an average of 15 years. In 2006 the National Association of Home Builders conducted a survey on the life expectancy of various products used in the home.ow long a heat pump lasts depends on a variety of factors, including the type of heat pump and how well it is maintained. A heat pump usually consists of indoor and outdoor heat exchangers.