NewCostway 12000 WiFi
Cools in summer, heats in winter, app year-round.
- 12,000 BTU with heat mode
- Wi-Fi app control
- Sleep mode + 24h timer
- 4-in-1 for year-round use
Cards, Apple Pay, Google Pay & more — processed securely by Stripe. Delivery address collected at checkout.
13.4% slower reaction times (and 13.3% slower working-memory responses) measured in homes without cooling during a real heatwave, versus air-conditioned homes. Cedeño Laurent et al., PLoS Medicine, 2018
What does a cool night actually cost?
Costway 12000 WiFi draws just 1350W — about the same as an old lightbulb.
Based on 1350W at 24.5p/kWh (uk avg). Your tariff may vary — it'll still be pennies.
- Tank capacity
- 0 L
- Airflow
- 380 m³/h
- Noise
- 56 dB (max)
- Power
- 1350 W
- Height
- 76 cm
- Weight
- 27 kg
- Room size
- up to 26 m²
- Speeds
- 3 + sleep
- Timer
- 12 h
- Controls
- Remote & touch panel
Quieter than your conversation.
Quiet enough for TV evenings; sleep mode drops it lower.
What it actually does, in numbers.
per hour to run
based on uk avg electricity rates
| Airflow | 380 m³/h |
| Noise | 56 dB |
| Power draw | 1350 W |
| Height | 76 cm |
| Weight | 27 kg |
| Running cost | ~33p/hour |
| Covers rooms to | 26 m² |
Every spec on this page comes from the manufacturer's data sheet. We don't invent airflow figures or noise ratings — if a unit can't meet its claims, it doesn't go in the range.
