Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump
Available to order — dispatched on the lead time shown below.
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Rinnai PB Series 2.6kW Split System delivers cost-effective, dependable heating and cooling performance built for UK apartments, guest bedrooms, and home working spaces up to 22m². Engineered with precision Japanese temperature sensing, this reverse-cycle inverter air conditioner delivers 9,000 BTU cooling and 9,500 BTU heating capacity. Complete with integrated smart Wi-Fi connectivity, users can remotely activate climate control before arriving home via mobile app or use voice commands through Amazon Alexa and Google Home. Its low-profile indoor chassis operates at a whisper-quiet level, guaranteeing undisturbed sleep. Featuring high-density dust filters, eco-friendly R32 refrigerant, and intelligent defrost cycles, the PB Series ensures comfortable, low-emission climate regulation all year long.
Need it installed?
We'll match you with a local HVAC engineer.
Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Rinnai →Official Rinnai 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 Rinnai — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Rinnai PB Series 2.6kW Split System delivers cost-effective, dependable heating and cooling performance built for UK apartments, guest bedrooms, and home working spaces up to 22m². Engineered with precision Japanese temperature sensing, this reverse-cycle inverter air conditioner delivers 9,000 BTU cooling and 9,500 BTU heating capacity. Complete with integrated smart Wi-Fi connectivity, users can remotely activate climate control before arriving home via mobile app or use voice commands through Amazon Alexa and Google Home. Its low-profile indoor chassis operates at a whisper-quiet level, guaranteeing undisturbed sleep. Featuring high-density dust filters, eco-friendly R32 refrigerant, and intelligent defrost cycles, the PB Series ensures comfortable, low-emission climate regulation all year long.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump
How many BTU is the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump?
The Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump has a cooling capacity of 9,000 BTU, suitable for Up to 22m².
What room size is the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump suitable for?
The Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump is recommended for rooms Up to 22m².
Can I install the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump myself?
No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.
Is the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump smart-home compatible?
Yes — the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump supports Amazon Alexa, Google Home for app and voice control.
How long does delivery of the Rinnai PB Series 2.6kW Wall Mounted Split System Heat Pump 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
73 kWh/yr
EER 13
Standard model
119 kWh/yr
EER 8
Est. saving
£12.33
46 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,000 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
£564
This AC / season
£188
You save / season
£376
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 696 kWh | £188 | Up to 300% | |
| Plug-in electric heater | 2088 kWh | £564 | 100% | |
| Electric storage heater | 2088 kWh | £564 | 100% |
Heat output estimated from this unit's 9,500 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 £188/season to heat a room vs £564 for an electric heater - that's £376 saved. https://stockool.store/products/rinnai-pb-series-2-6kw-wall-mounted-split-system-heat-pump
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