Can you add a heat pad or heat tape under these cages on a thermostat? Yes! Our habitats are able to be used with heat pads/tape up to 180 degrees! Related articles Can the Leap cages take extreme humidity like for rainforest frogs/amphibians? Are heat lights safe to use with my Leap habitat? Can I modify my Leap habitat? Habitat Assembly Manual How can Leap habitats be so durable when they are so lightweight