KOMFORT ULTRA D105/D105-A
The KOMFORT Ultra D105/D105-A are highly efficient heat recovery air handling units, designed for residential spaces like flats, houses, and cottages. These units offer up to 76% heat recovery, helping to reduce energy loss and maintain an optimal indoor climate. Equipped with high-efficiency asynchronous motors and centrifugal impellers with forward-curved blades, the units ensure excellent air supply and exhaust with minimal noise. The compact casing made of double-skinned aluzinc panels ensures durability, while the easy-to-install design makes them a great choice for residential ventilation needs. Compatible with 125mm round air ducts, they also feature backdraft dampers for airtight connections and a heat exchanger made of enthalpy polystyrene for superior performance.
The Blauberg KOMFORT Ultra D105/D105-A is a compact, single-room heat recovery ventilation unit designed for energy-efficient supply and exhaust ventilation in apartments, houses, and cottages. Featuring high heat recovery efficiency (up to 76%), this unit ensures a healthier indoor environment by exchanging stale indoor air with fresh filtered outdoor air — all while minimizing energy loss.
Its double-skinned aluzinc body with internal PE foam insulation ensures quiet operation and excellent thermal performance. The D105-A model comes with an enthalpy heat exchanger to also recover humidity, making it perfect for dry climates or high-efficiency homes.
Key Features:
✅ Efficient Heat Recovery: Up to 76% thermal efficiency (D105) and up to 45% humidity recovery (D105-A)
✅ Quiet Operation: Noise level as low as 24 dB(A) at 3 meters
✅ Three-Speed Control: Adjustable air flow up to 106 m³/h (29 l/s)
✅ Easy Installation: Compact design with side-mounted Ø125 mm duct spigots
✅ Smart Access: Hinged panel for easy filter replacement and cleaning
✅ Backdraft Dampers: Prevent unwanted air entry
Technical Specifications:
| Specification | D105 | D105-A |
|---|---|---|
| Voltage | 220–240V / 50 Hz | 220–240V / 50 Hz |
| Power Consumption | 30W / 38W / 56W | 30W / 38W / 56W |
| Max Air Flow | 106 m³/h (29 l/s) | 106 m³/h (29 l/s) |
| Speed Settings | 3 levels | 3 levels |
| RPM | 1300 / 1950 / 2500 | 1300 / 1950 / 2500 |
| Noise Level @3m | 24 / 32 / 41 dB(A) | 24 / 32 / 41 dB(A) |
| Casing Material | Aluzinc, double-skinned | Aluzinc, double-skinned |
| Insulation | 15 mm PE foam | 15 mm PE foam |
| Heat Recovery Efficiency | 65–76% | 64–72% |
| Humidity Recovery | – | Up to 45% |
| Heat Exchanger Type | Cross-flow, Polystyrene | Cross-flow, Enthalpy |
| Duct Connection | Ø125 mm | Ø125 mm |
| Weight | 10 kg | 13 kg |
| Operating Temp Range | -25°C to +40°C | -25°C to +40°C |
| Filter Class | G4 | G4 |
| ErP Compliance | 2016, 2018 | 2016, 2018 |
| SEC Class | D | D |
FAQs:
1️⃣ Is it suitable for bedrooms or living rooms?
✔ Yes, its low noise and high air quality control make it ideal for sleeping and living areas.
2️⃣ What’s the difference between D105 and D105-A?
✔ The D105-A includes an enthalpy exchanger that also recovers humidity, making it suitable for dry climates.
3️⃣ Can it be controlled externally?
✔ Yes, the unit is compatible with external controllers for adjustable air flow.
4️⃣ Is it hard to clean?
✘ No, the hinged access panel makes filter changes and maintenance easy.
Related: KOMFORT ULTRA EC L2 Series
