Bosch Series 4 8kg Heat Pump Tumble Dryer - White
At a glance
Capacity
8 kg rated load for the eco programme at full capacity
Energy
Class E, 1.38 kWh per eco cycle, 138 kWh per 100 cycles
Drying Control
Auto Dry with drying level fine-tuning and reduced ironing option
Programmes
Cotton, easy care, woollens, towels, sportswear, delicates and Super Quick 40
Recommended for your tumble dryer
Great accessories to pair with your tumble dryer.
Complete your laundry setup
Select useful accessories to complete your setup.
Tumble DryerBosch Series 4 8kg Heat Pump Tumble Dryer - White
€599.00
At a glance
Capacity
8 kg rated load for the eco programme at full capacity
Energy
Class E, 1.38 kWh per eco cycle, 138 kWh per 100 cycles
Drying Control
Auto Dry with drying level fine-tuning and reduced ironing option
Programmes
Cotton, easy care, woollens, towels, sportswear, delicates and Super Quick 40
Bosch Series 4 Freestanding 8kg Heat Pump Condenser Tumble Dryer
An 8 kg freestanding heat pump dryer with Auto Dry sensing, the Sensitive Drying System and an EasyClean filter designed to make routine maintenance straightforward.
The WTH85225IE is Bosch's Series 4 heat pump tumble dryer, a white freestanding machine rated for 8 kg loads in a standard 60 cm space. Heat pump drying recirculates warm air rather than venting it, so there is no hose to run outside and no window to leave open, which makes it workable in a flat or an internal utility room.
Auto Dry is the feature that earns its keep. Rather than running for a set time, the programme finishes when the load reaches the dryness level you selected, so cotton comes out ready to fold instead of over-dried. Alongside it, the Sensitive Drying System and a stainless steel drum handle fabrics gently, and a fine-tuning control lets you nudge the drying level up or down to taste.
Ideal For
Condenser drying means no external vent, so the machine can live in a hallway cupboard or an internal utility area. Water collects in a container, or you can plumb it to a drain.
An 8 kg rated capacity suits couples and small families, and Super Quick 40 is there for smaller loads when you need something back the same evening.
At 84.2 by 59.8 cm it slides under a standard worktop, and an optional stacking kit puts it above a washing machine when floor space runs out.
Key Features
Bosch's rated load for the eco programme at full capacity, taking about three and a half hours, or two hours ten minutes at half load.
The cycle ends when the laundry reaches the dryness level you picked, with fine-tuning available if you prefer things a little drier or slightly damp for ironing.
Mild warm air and a stainless steel drum are designed to dry without creasing, with an anti-crease cycle keeping the load moving after the programme ends.
Bosch's filter design is built for simple routine cleaning, and a blocked filter indicator tells you when it needs attention rather than leaving you guessing.
Reinforced side panels reduce movement and noise during the cycle, which is worth having when the dryer sits in a kitchen rather than a separate utility.
Set the finish time up to a day ahead, so a load can be timed to end when you get home instead of sitting damp in the drum.
What heat pump drying changes
A heat pump dryer reuses the heat it has already generated instead of throwing it away, which is why it draws only 600 watts and finishes an eco cycle at 1.38 kWh. It also means no ducting: the moisture removed from your clothes is condensed and collected in a container you empty, or piped to a drain if you would rather not think about it. The trade-off is a longer cycle, at 3:25 for a full eco load.
Programmes for real laundry
Beyond cotton and easy care, the programme list covers woollens, mixed loads, towels, sportswear, shirts and blouses, and delicates, plus timed warm and timed cold options when you want to control the length yourself. Super Quick 40 is there for smaller loads. Low heat and reduced ironing are available as options, and a reload function lets you open the door mid-cycle to add the sock you found under the bed.
Energy label and running noise
On the current EU label the WTH85225IE sits at energy class E, using 1.38 kWh per eco cycle or 138 kWh per hundred cycles, with a condensation efficiency of 83 per cent in class C. Noise is quoted at 63 dB(A), noise class B, which is audible through a closed door but not intrusive, and the AntiVibration side walls are there to keep the cabinet steady. Bosch also gives it repairability class A, and the machine can be stacked above a washing machine with an optional kit.
How It Compares
| Kitchen Need | Bosch Technology | Practical Benefit |
|---|---|---|
| No outside wall | Heat pump condenser drying | No vent or ducting needed, so the dryer works in a flat, hallway cupboard or internal utility. |
| Mixed weekly wash | 8 kg rated capacity | Handles a full eco load in three hours twenty-five minutes, or half a load in two hours ten. |
| Over-dried clothes | Auto Dry with fine-tuning | The cycle stops at the dryness level you chose, and you can nudge it drier or damper. |
| Ironing pile | Reduced ironing option | Leaves the load slightly less dry and keeps it moving, so there is less to press afterwards. |
| Small utility room | 84.2 x 59.8 cm slide-under | Fits beneath a standard worktop, or stacks above a washing machine with the optional kit. |
| Kitchen-diner noise | AntiVibration side walls | Reinforced panels steady the cabinet during the cycle; Bosch quotes 63 dB(A), noise class B. |
Specifications
| Brand | Bosch |
| Model | WTH85225IE |
| Product Type | Tumble Dryer |
| Range | Series 4 |
| Drying technology | Heat pump condenser, R290 refrigerant |
| Rated capacity | 8 kg (eco programme, full load) |
| Energy rating | E |
| Energy consumption | 1.38 kWh per cycle / 138 kWh per 100 cycles (eco programme) |
| Condensation efficiency | 83% (Class C) |
| Programme duration | 3:25 h at full load, 2:10 h at half load (eco) |
| Noise level | 63 dB(A) re 1pW (Class B) |
| Standard programmes | Cotton, Easy Care |
| Special programmes | Woollens, Mixed Load, Towels, Sportswear, Shirts/Blouses, Delicates, Super Quick 40, Timed warm, Timed cold |
| Options | Auto Dry, Low heat, Reduced ironing, Drying time, Fine-tuning for drying level, 24 h end time delay, Reload |
| Key features | Sensitive Drying System, EasyClean filter, AntiVibration side walls, anti-crease cycle, child lock, end-of-cycle buzzer |
| Drum | Stainless steel |
| Condensate | Container with full-tank indicator; drain hose connection possible |
| Installation | Freestanding, slide-under; stackable with optional kit (WTZ11400 / WTZ20410) |
| Repairability class | A |
| Colour | White |
| Dimensions (H x W x D) | 84.2 x 59.8 x 61.3 cm (64.8 cm including door) |
| Weight | 48.7 kg |
| Power supply | 220-240 V, 50 Hz, 600 W, 10 A fuse, 180 cm cord |
| Warranty | 2 Year Warranty |
The Verdict
Strengths
- 8 kg rated capacity for the eco programme
- Heat pump drying with no ducting required
- Auto Dry with adjustable drying level fine-tuning
- Sensitive Drying System and stainless steel drum
- EasyClean filter with blocked filter indicator
- 24 hour end time delay and reload function
- Repairability class A; stackable with an optional kit
Considerations
- Energy class E on the current EU label, so it uses more power per cycle than higher-rated heat pump dryers.
- Bosch lists no Home Connect, no drum interior light and no self-cleaning condenser on this model, so filter cleaning stays manual.
- A full eco load takes three hours twenty-five minutes, the trade-off for heat pump efficiency over a faster vented machine.
What's in the Box
- Heat pump tumble dryer x1
- Installation/user manual x1
Compare Similar Models
| Specification | Bosch Series 4 8kg Heat Pump Tumble Dryer - White | Bosch Series 4 8kg Heat Pump Tumble Dryer | Bosch Series 4 Heat pump tumble dryer 8kg White | Bosch Series 6 9kg Heat Pump Tumble Dryer - White |
|---|---|---|---|---|
| Drying capacity | — | 8 kg | 8 kg | — |
| Energy rating | — | D | A | — |
| Noise | — | 62 dB | — | — |
Recommended for your tumble dryer
Great accessories to pair with your tumble dryer.
Complete your laundry setup
Select useful accessories to complete your setup.
Tumble DryerBosch Series 4 8kg Heat Pump Tumble Dryer - White
€599.00
At a glance
Capacity
8 kg rated load for the eco programme at full capacity
Energy
Class E, 1.38 kWh per eco cycle, 138 kWh per 100 cycles
Drying Control
Auto Dry with drying level fine-tuning and reduced ironing option
Programmes
Cotton, easy care, woollens, towels, sportswear, delicates and Super Quick 40
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Energy efficiency
- Rated capacity8 kg (eco programme, full load)
- Energy consumption1.38 kWh per cycle / 138 kWh per 100 ...
- Condensation efficiency83% (Class C)
- Noise level63 dB(A) re 1pW (Class B)
Why you’ll love it
An 8 kg freestanding heat pump dryer with Auto Dry sensing, the Sensitive Drying System and an EasyClean filter designed to make routine maintenance straightforward.
- 8 kg rated capacity for the eco programme
- Heat pump drying with no ducting required
- Auto Dry with adjustable drying level fine-tuning
- Sensitive Drying System and stainless steel drum
- EasyClean filter with blocked filter indicator