Leopard gecko · Safe heat

How do I heat a leopard gecko enclosure safely?

RSPCA basking area 28–30°C (82–86°F). RVC guidance is about 32°C (90°F).

Safe heat gives a leopard gecko guarded warmth, cooler cover, and a genuine nighttime cycle.

Use the practical checks
Adult leopard gecko resting on warm slate beneath guarded overhead heat with shaded hides continuing into the cool end.

Put it into practice

The useful checks

Do this

  • Control every heater with the correct thermostat.
  • Verify the warm and cool zones with separate digital thermometers.
  • Keep fresh water and monitor leopard gecko behavior every day.
  • Record changes so a reptile veterinarian receives useful evidence.

Avoid this

  • Do not trust the thermostat setting as a thermometer.
  • Do not use heat rocks or colored night lamps.
  • Do not copy another reptile species' setup.
  • Do not treat a persistent health change as a shopping problem.
01

Build a usable gradient

Aim for RSPCA basking area 28–30°C (82–86°F); RVC guidance is about 32°C (90°F) with cool area about 24–26°C (75–79°F). Place several secure retreats across that range so the gecko can regulate temperature without sitting exposed.

Choose the heater from the room, enclosure material, ventilation, and required temperature difference. The goal is the measured result at animal level, not a particular wattage copied from another home.

02

Put control before heat

Connect each heat source to the correct thermostat, keep probes fixed, and guard any source the gecko could touch. A thermostat controls power; separate digital thermometers confirm what actually happened.

Check the warm surface and cool air every day while the setup is new, after seasonal room changes, and after moving a probe or furnishing. Never use a heat rock or a red or blue night lamp.

03

Let night be night

The nighttime plan is lights and daytime heat off; controlled non-light heat only if the room falls below about 18–20°C (64–68°F). All visible lights should switch off so the gecko receives a clear day-night cycle.

If readings suddenly rise or fall, protect the gecko from the unsafe zone and diagnose the equipment before compensating with random extra heaters. Burns, weakness, or abnormal posture deserve reptile-veterinary advice.

Leopard gecko care boundaries at a glance
Adult home
RVC minimum 36 × 18 × 18 in; the RSPCA lists 60 × 30 × 40 cm as a minimum and encourages larger housing
Warm zone
RSPCA basking area 28–30°C (82–86°F); RVC guidance is about 32°C (90°F)
Cool and night
Cool area about 24–26°C (75–79°F); Lights and daytime heat off; controlled non-light heat only if the room falls below about 18–20°C (64–68°F)
Humidity
Dry ambient air around 30–40%, plus one clean contained humid hide
UVB
Low-output UVB with a measured gradient near UVI 0.7 to zero shade
Food
Varied appropriately sized live invertebrates, gut-loaded and supplemented to a reviewed plan

Useful tools for measured heat and light

Optional equipment matched to this topic. Confirm the species' target temperatures, UV Index, fixture distances, and thermostat requirements before buying.

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Dimming thermostat

Controls a compatible heat source from a probe reading, with dimming or pulse modes selected for the equipment.

Match the controller's operating mode and load rating to the heater manufacturer's instructions. Check temperatures with a separate thermometer.Amazon search: compare specifications and sellers; results are not individually vetted.Compare options on Amazon

Dual-probe thermometer

Tracks the warm and cool ends at the same time so the enclosure gradient is easier to verify.

Use fixed probes at the animal's warm and cool zones. A thermometer measures temperature; it does not control a heater.Amazon search: compare specifications and sellers; results are not individually vetted.Compare options on Amazon

Keep deciding

See the complete care picture

Sources and further reading