There are a range of Peltier systems available for both upright and inverted microscope systems.
PE120 Peltier System
Simple peltier stage that can be placed on XY table of upright microscopes.
PE120-XY Peltier System
Based on the PE120 but instead fits into the aperture of motorized XY stages.
PE100 Inverted Peltier Systems
These microscope specific stages utilise peltier technology to enable heating and cooling of microscope slides or petri dish from -5 to 99°C. Designed to fit into the table or replace the table of your inverted microscope.