Description
Introducing the Climtec Optima 125: The Pinnacle of Design and Smart Ventilation Technology
The Climtec Optima 125 redefines residential ventilation with its striking advanced square design and an interior crafted from eco-friendly wood (front cover plastic), offering both unparalleled style and performance. This sophisticated decentralised heat recovery ventilation unit is engineered for the discerning UK homeowner, providing exceptionally quiet operation and intelligent air management through its integrated humidity and CO₂ sensors. With a flow rate of up to 60 m³/h and an impressive heat recovery efficiency of up to 93%, the Optima 125 ensures a tranquil, healthy, and energy-efficient indoor environment, standing out as a truly best single room heat recovery ventilator.
Key Benefits of the Climtec Optima 125:
Advanced Square Design: A minimalist and modern aesthetic that complements contemporary interiors, making it an ideal wall mounted ERV.
Eco-Friendly Wooden Interior: Natural wooden components (excluding plastic front cover) contribute to a healthier environment and sustainable design.
Whisper-Quiet Operation: Engineered for near-silent performance, perfect for bedrooms and living spaces, offering the quietest MVHR unit experience.
Smart Air Quality Control: Integrated humidity and CO₂ sensors provide automatic, precise air quality management, enhancing your smart home ventilation system.
Twin-Fan System: Ensures continuous, balanced fresh air supply and stale air extract.
Durable Aluminium Heat Exchanger: Highly efficient for optimal heat recovery and long-term reliability.
Eliminates Mould & Dampness: Actively prevents moisture build-up for a consistently healthy atmosphere.
Superior Heat Recovery Efficiency: Achieves up to 93% heat recovery, significantly reducing heating and cooling expenses.
Low Energy Consumption: Designed for maximum energy efficiency, minimising running costs.
Optional Activated Carbon Filter: For superior air purification and removal of odours.
How it Works: The Climtec Optima 125 continuously monitors indoor conditions with its advanced humidity and CO₂ sensors. The automatic ventilation system dynamically adjusts its twin-fan operation, facilitating highly efficient air exchange through its aluminium heat exchanger. This ensures up to 93% heat recovery while providing a constant flow of fresh, filtered air, all with remarkably quiet performance.
Technical Specifications:
| Parameter | Value |
| Type | Supply and exhaust ventilation unit with heat recovery |
| Heat recovery efficiency | Up to 93 % |
| Airflow (supply / exhaust) | 60 / 60 m³/h (max) |
| Voltage | 220 / 230 V (50 Hz) |
| Power consumption (fan) | 7 W |
| Electric heater power | 40 W |
| Sound power level (LWA) | 26 / 38 dB (min / max) |
| Recommended room area | Up to 25 m² (at ceiling height 2.7 m) |
| Recommended number of occupants | Up to 4 people |
| Heat exchanger type | Aluminum cross-flow |
| Airflow shut-off valve | Automatic |
| Filter | G3 class air filter (included) |
| Control | Remote control / stationary panel |
| Operating modes |
Heat recovery, supply, exhaust, automatic (based on CO₂ and humidity)
|
| Number of speeds | 4 |
| Front panel | MDF with acrylic finish |
| Sensors |
CO₂ sensor, humidity sensor, indoor and outdoor temperature sensors
|
| Additional features | Timer, LED lighting, clock, automatic mode |
| Weight | 2.7 kg |
| Dimensions (L × D) | 410 – 1000 mm × 125 mm |
| Mounting hole diameter | 142 mm |































