Condenser
- Air well (condenser)
- Atmospheric water generator
- Capacitor
- Condenser (heat transfer)
- Condenser (laboratory)
- Condenser (optics)
- Condenser microphone
- Condensing steam locomotive
- Enlarger
- Heat exchanger
- Isolation condenser
- Jet condenser
- Köhler illumination
- Leyden jar
- Projector (disambiguation)
- Surface condenser
- Synchronous condenser
- Telescope