Non-hibernating tortoise species (such as sulcatas or red-footed tortoises, many tropical species, etc.) still need a warm, safe shelter during cold or inclement weather. A properly built heated shelter helps them maintain body temperature, stay dry, avoid respiratory problems, and preserve energy. Below is how to build one and keep it safe.
A proper shelter should offer:
Insulation from cold, wind, and moisture to keep temperatures stable
A warm resting/basking area where your tortoise can safely thermoregulate
Safe heating sources to prevent burns and fire hazards
Dry, clean flooring to avoid shell rot or skin infections
A protected entrance with a door flap or covering to minimize heat loss
For medium to large Tortoises:
For tiny tortoises:
Cut these door flaps to the size of the door:
Best heating option:
Radiant heat panels– mount on the ceiling of the shelter and control with a thermostat. Radiant heat is safer than heat lamps or space heaters, which can cause fires and burns.
If additional heat is needed:
Heated outdoor pads or mats (K&H Extreme Weather Heated Cat Pads are a good option) – place under bedding or in one corner of the shelter so the tortoise can choose to use it.
Always make sure heated pads are waterproof and thermostatically controlled.
Essential equipment:
Digital thermostat to control the radiant heat panel - JumpStart Jump Start MTPRTC UL Listed Digital Controller Germination Heat Mat Thermostat, 1 Pack
Thermometers should be placed in both the warm and cool areas of the shelter to monitor temperatures
Choose a sturdy, weatherproof shelter sized appropriately for your tortoise.
Insulate the floor and walls with foam mats, straw, or reflective insulation.
Add door flaps to prevent drafts but still allow easy access.
Install a radiant heat panel overhead and connect it to a digital thermostat.
Add optional heated pads if extra warmth is needed, ensuring the tortoise can move off the pad if it gets too warm.
Provide dry, safe bedding and replace it regularly.
Monitor temperatures daily with thermometers or an infrared thermometer to ensure proper gradients.
Basking/resting spot: 85–95°F (species-dependent)
Cool zone: ≥70°F
Night drop: Slightly cooler nights are fine, but avoid prolonged exposure below 60°F
Warning: Bring the tortoise inside or add supplemental heat if the ground temperature drops below safe levels
Check bedding frequently and replace if damp or dirty.
Inspect heating equipment regularly to ensure it’s functioning correctly.
Observe your tortoise weekly to ensure it remains warm, alert, and eating appropriately.
Have a backup plan for extreme weather — such as moving the tortoise to a garage or climate-controlled area.
Heat rocks (can cause burns)
Glass or clear plastic walls (cause stress and poor insulation)
Completely sealed shelters with no ventilation (risk of moisture buildup)
Overheating or heat sources without thermostats
Cold, damp substrate
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