Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The Whynter ARC-122DHP Elite is a compact yet exceptionally capable dual-hose climate solution designed for versatile, year-round domestic use. Delivering 12,000 BTU of cooling power alongside a reverse-cycle 10,000 BTU heat pump, it provides refreshing chill in the summer and supplemental warmth during chilly autumn and winter months. The dual-hose intake and exhaust architecture ensures balanced room air circulation, avoiding the negative draughts typical of single-hose models. Compact proportions make the ARC-122DHP ideal for British master bedrooms, open-plan dining rooms, or home workspaces where floor real estate is at a premium. An integrated auto-drain mechanism recycles condensation to maximise thermodynamic efficiency, while dual washable air filtration screens keep indoor air clean and clear of dust. Complete with a 24-hour programmable timer, digital LED display, and comprehensive DIY window sealing equipment, it installs in minutes without tradespeople.
Add smart control
No built-in Wi-Fi — automate this unit with a smart plug & temperature sensor.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Whynter →Official Whynter manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Whynter — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Whynter ARC-122DHP Elite is a compact yet exceptionally capable dual-hose climate solution designed for versatile, year-round domestic use. Delivering 12,000 BTU of cooling power alongside a reverse-cycle 10,000 BTU heat pump, it provides refreshing chill in the summer and supplemental warmth during chilly autumn and winter months. The dual-hose intake and exhaust architecture ensures balanced room air circulation, avoiding the negative draughts typical of single-hose models. Compact proportions make the ARC-122DHP ideal for British master bedrooms, open-plan dining rooms, or home workspaces where floor real estate is at a premium. An integrated auto-drain mechanism recycles condensation to maximise thermodynamic efficiency, while dual washable air filtration screens keep indoor air clean and clear of dust. Complete with a 24-hour programmable timer, digital LED display, and comprehensive DIY window sealing equipment, it installs in minutes without tradespeople.
Compare similar units
Side-by-side specs for other portable ac in a similar BTU range.
Common questions about the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater
How many BTU is the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater?
The Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater has a cooling capacity of 12,000 BTU, suitable for Up to 38m².
What room size is the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater suitable for?
The Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater is recommended for rooms Up to 38m².
Can I install the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater myself?
Yes — the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater is rated as Easy for self-installation. Guides and video tutorials are available on the product page.
Is the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater smart-home compatible?
The Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater does not have built-in Wi-Fi control, but you can add smart control using a compatible smart plug.
How long does delivery of the Whynter ARC-122DHP Elite 12,000 BTU Dual-Hose Portable Air Conditioner with Heater take?
This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A+-rated unit could save versus a standard C-rated model, based on your usage.
This unit
115 kWh/yr
EER 11
Standard model
158 kWh/yr
EER 8
Est. saving
£11.65
43 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 BTU). Actual savings vary with room size, climate and usage patterns.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£593
This AC / season
£198
You save / season
£396
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 733 kWh | £198 | Up to 300% | |
| Plug-in electric heater | 2198 kWh | £593 | 100% | |
| Electric storage heater | 2198 kWh | £593 | 100% |
Heat output estimated from this unit's 10,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →
Share your savings
This heat-pump AC costs only £198/season to heat a room vs £593 for an electric heater - that's £396 saved. https://stockool.store/products/whynter-arc-122dhp-elite-12000-btu-dual-hose-portable-ac-heat-pump
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