If your house in Kenai, Soldotna or anywhere in Alaska feels cold even with the heat running, the problem usually isn't the heater. It's heat loss. Warm air is leaking out through gaps, thin insulation, old windows and the roof faster than your system can replace it. The good news: most of the causes are easy to find once you know where to look. Below are the 7 most common reasons Alaska homes stay cold, plus simple fixes you can start this weekend. Alaska winters test every