Suction fan

Begin with the room size and the type of air you need to move. For small spaces or bathrooms, a compact unit around 20 to 30 cm with low wattage is common, while larger kitchens benefit from bigger, higher‑power models. Look for options that are either suction‑only or provide both suction and exhaust, such as dual‑function designs for odours and moisture. Consider mounting type (window or wall), whether a frame is included, and features like a front guard for protection and detachable oil packs for easy maintenance.

Suction‑only models pull air through the space and ventilate without expelling air outside, which is simpler and often cheaper. Suction + exhaust units push air out and remove odors or moisture more effectively, which is ideal for kitchens or bathrooms with heavy use. For example, some 30W suction + exhaust units exist in this range, while other compact suction‑only fans are available for lighter ventilation tasks. Choose the dual function when you need stronger air exchange and odor control.

If you live in a compact apartment or upgrade a small bathroom, a 20–30 cm unit like a wall fan with high suction power and easy maintenance is ideal. For kitchens with frequent cooking and oil vapors, a 30–35 cm model with an oil‑drip tray and sturdy frame provides better protection and longer life. Larger 35 cm dual‑function fans can quickly remove moisture and odors, while compact units save space and energy in smaller rooms.

Choose models with easy maintenance features, such as a detachable oil pack or a removable front guard for cleaning. Ensure you have a suitable mounting frame for your space and check whether a power cord is included for immediate setup. Some units include a frame, a detachable oil pack, and a standard power cord, which simplifies installation and reduces extra purchases.

Warranty durations vary by brand and model, ranging from one year up to several years for some kitchen exhaust setups. For example, certain 30 cm kitchen extractors come with extended warranties, while other compact suction fans carry standard coverage. When choosing, consider the warranty as part of the total value, since longer coverage often reflects build quality and manufacturer confidence.

Start by matching the size to your space: 20 cm, 30 cm, or 35 cm units are common across this range. Compare wattage to estimate energy use and airflow potential—30W versus 50W makes a noticeable difference in performance. Check included accessories such as frames, oil packs, or protection guards. A unit with a front guard and an oil‑drip tray plus a frame provides easier installation and ongoing maintenance, making it a practical long‑term choice.

Yes. Prioritize models with protective guards and stable housings to prevent accidental contact with moving parts. Energy‑saving designs help reduce electricity use without sacrificing performance, and straightforward maintenance components reduce handling risk. For households with children or pets, choose a unit with a front guard and robust construction to minimize risk during daily use.