Incubators, ovens and climate chambers: how can temperature, humidity and CO? be controlled for different applications?

At the heart of sensitive assays, incubators, drying ovens and climate chambers deliver the most critical variable: temperature—and, depending on the model, humidity and CO?. The incubator ensures a stable environment for cell culture and microbiology; the refrigerated incubator covers lower temperatures for BOD tests, yeast or seeds; the oven provides drying and dry-heat sterilisation; the climate chamber controls temperature/humidity for stability testing. Select based on uniformity, recovery speed, contamination control, capacity, traceability and energy efficiency.

What types of incubators and laboratory ovens are there, and how do you choose the right one?

An incubator maintains moderate temperatures with high stability and uniformity. CO? models also control the atmosphere (CO?, humidity) for cell culture: CO? sensor (IR or thermal conductivity), HEPA filtration, stainless-steel chamber with rounded corners, and high-temperature sterilisation cycles to limit contamination. The refrigerated incubator delivers precise control below ambient (BOD at 20 °C, yeasts, seeds), using a compressor-based system or Peltier technology for a quieter, more energy-efficient approach.

The oven (typically 50–300 °C) is dedicated to drying, with natural convection (gentle) or forced convection (fast, uniform). Climatic chambers control temperature and relative humidity for stability studies (ICH profiles) and programmed cycles (plateaus, ramps).

Selection criteria: temperature and humidity range, uniformity (spatial deviation), stability (temporal drift), recovery time after door opening, usable volume and load, acceptable contamination level (fan-assisted/fanless, filtration, materials), sensors (IR CO?), humidification and water quality, safety (independent over-temperature cut-out, alarm), traceability (data logging, Ethernet/USB, audit trail), IQ/OQ in regulated environments, and environmental performance (insulation, sleep mode, refrigerants R290/R600a, Peltier).

Good to know: standard ovens are not suitable for flammable solvents (choose dedicated models). Favour connected interfaces and remote alarms to secure long runs.

In which fields and applications is this equipment used?

• Life sciences : CO? incubators for mammalian cell culture, cell differentiation and cell line banking. Standard incubators for microbiology (plates, tubes) and enzyme assays.
• Pharma & cosmetics : climate/stability chambers for stability studies (ICH), accelerated ageing, container–product compatibility.
• Food & beverage : incubation of yeasts and starter cultures, hygiene control, shelf-life testing under controlled conditions.
• Environment : refrigerated incubators for BOD at 20 °C, seed germination, ecotoxicology.
• Chemistry & materials : ovens for drying of solids, polymers, polymerisation, dimensional stabilisation.
• QC & R&D laboratories : routine QC, robustness testing, formulation screening, higher education.

The different types of incubators and laboratory ovens available

Frequently asked questions about incubators, laboratory ovens and climatic chambers

What’s the difference between an incubator and a drying oven?
An incubator maintains moderate temperatures (with CO?/humidity control depending on the model). A drying oven reaches higher temperatures for drying and dry-heat sterilisation.

How do I choose the right usable volume?
Size for your most demanding load and keep 30–40% headroom for airflow, uniformity and access.

CO? sensor: IR or thermal?
NDIR is accurate and stable, with low humidity sensitivity. Thermal-conductivity sensors are economical but can drift. Choose based on criticality and budget.

How to limit contamination in a CO? incubator?
Stainless-steel chamber, rounded corners, high-quality water, HEPA filtration, a high-temperature sterilisation cycle, robust cleaning SOPs and brief door openings.

Is a standard drying oven suitable for solvents?
No. Avoid flammable solvent vapours unless the model is suitable (vented/ATEX-rated). Explosion risk and component corrosion.

Which performance criteria matter most?
Temperature uniformity and stability, recovery time after door openings, sensor accuracy, alarms, traceability and total energy cost.

And the environmental impact?
Favour high-performance insulation, smart standby, Peltier technologies, R290/R600a refrigerants, and data capture/analytics to optimise cycles.