[The Greely Tribune] Rhonda Parker said she found it hard to believe her luck. She, her husband, Dennis, and their three teenage girls live about a mile from the Weld Central School complex, south of Keenesburg in southeast Weld County. This fall, they were chosen by United Power of Brighton for a home makeover. And not just any makeover. Theirs involved the installation of a heating and air conditioning system that Rhonda said she had never heard of before — a geothermal heat pump system.