I have an evolution 90i hp nothing but trouble. only 4 years old, had commpessor replaced. now, heat pump wont switch to aux. heat when needed. have to switch manually. whats wrong?Post created: 2013-01-23 Type of Equipment: Heat Pump Views: 12This question was created on the page: http://www.furnacecompare.com/heat-pumps/index.html. Unit is 4 years old. problem began 3 days ago. Your Answer |