An environmental lakeThe Nistlers purchased the forested lake lot in 2021. The Nistler's favorite part of the house is the outdoor patio, with oodles of cushy seating and multiple firepits for entertaining guests. Shannon Geisen/EnterpriseDo-it-yourselfersThe Nistlers said they are grateful for all of the help along the way. The utility room is on the other side of the house, Mark explained, so vents couldn’t connect through the A-frame great room. “I’m looking forward to when we can just wake up and just sit on the patio,” Katie said.