When we evaluate large cat houses, the first question is where it will live, because an indoor plush cave and a weatherproof outdoor shelter solve very different problems. We compare interior space against stated dimensions, the materials used, insulation and weather resistance for outdoor units, and stability for tall multi-level designs. In our evaluation we found that bigger is only better when the space suits the cat and the location. We recommend measuring where the house will sit, confirming the entry size fits a large cat, and choosing weatherproof, insulated builds for any outdoor placement. What we like are houses with a draft-blocking entry, raised floors for outdoor models, and sturdy bases on cat trees so a confident climber cannot tip the unit. For multi-cat homes, we look for enough room and perches to avoid crowding.

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