This is my fourth BlueAir, and the second purchase for our second home, a cabin under 1000 square feet, two floors, in the Idaho Panhandle, on a big lake in an older forest with trees 200 years old and more. The bigger Blue Air (the same one we purchased for our 1800 square foot condo) is on the main floor, and the smaller one was just purchased for the second floor "attic" -- The cabin is not insulated, a summer home, and in the fall and spring we have night time temps as low as freezing and day time temps to 100, as well as the potential for poor air quality from forest fires. Most of the time the air quality is great, but there is always the potential for RED alerts. Today, a high in the 70's we have the heat on at night (50's) and in the morning. This weekend we might use the AC for a few hours, and more as we move into July. BlueAir has greatly increased iour enjoyment of our cabin home -- as we grow older -- and are able to spend more time in the "shoulder seasons" as well as in the peak heat. Having a BlueAir (now two) means that we will not need to evacuate, and can spend time in the cabin even if the air quality becomes an issues for a few days or longer. We both have asthma/hay fever -- and do not use our indoor fireplace so good AQ is important to us all year round. The alternative would be a mini-split, but that is a greater expense and uses more power. Yes, we can have power outages and do not have a generator, and that could cause us to leave, but even in…