Add Yahoo as a preferred source to see more of our stories on Google. As Winter Storm Fern was dumping record amounts of snow and ice across the U.S. a couple of weeks ago, Kit Wu sprang into action.

In order to service and troubleshoot an air-source heat pump system, a service technician must understand the unit's sequence of operation. This is the order of events the system undergoes to cycle ...

Cost: $10,712 for heat pump system, $7,500 for insulation and $7,150 for electrical panel upgrade and wiring Incentives: None for heat pump; $550 rebate for wall and attic insulation from Energy Trust ...