Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette
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Retail prices include VAT.
The Panasonic S-25PY3E PACi NX series is an advanced 2.5kW compact 4-way ceiling cassette engineered specifically to integrate cleanly into standard European 600mm x 600mm architectural ceiling grids. Featuring cutting-edge nanoe X air purification technology, this system works continuously to inhibit airborne pollutants, bacteria, and odours, ensuring superior indoor air quality. The unit delivers highly efficient cooling and heating using eco-conscious R32 refrigerant, driven by an intelligent DC inverter compressor. Four independently controlled vanes guarantee gentle, draught-free 360-degree air circulation throughout the room. Engineered with a built-in high-lift condensate drain pump capable of lifting water up to 850mm, installation within tight ceiling voids is straightforward. Low-noise operation ensures total occupant comfort in home offices, boutique retail outlets, or consultation rooms. Fully compatible with Panasonic Comfort Cloud via an optional Wi-Fi interface.
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 Panasonic →Official Panasonic 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 Panasonic — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Panasonic S-25PY3E PACi NX series is an advanced 2.5kW compact 4-way ceiling cassette engineered specifically to integrate cleanly into standard European 600mm x 600mm architectural ceiling grids. Featuring cutting-edge nanoe X air purification technology, this system works continuously to inhibit airborne pollutants, bacteria, and odours, ensuring superior indoor air quality. The unit delivers highly efficient cooling and heating using eco-conscious R32 refrigerant, driven by an intelligent DC inverter compressor. Four independently controlled vanes guarantee gentle, draught-free 360-degree air circulation throughout the room. Engineered with a built-in high-lift condensate drain pump capable of lifting water up to 850mm, installation within tight ceiling voids is straightforward. Low-noise operation ensures total occupant comfort in home offices, boutique retail outlets, or consultation rooms. Fully compatible with Panasonic Comfort Cloud via an optional Wi-Fi interface.
Compare similar units
Side-by-side specs for other ceiling cassettes in a similar BTU range.
Common questions about the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette
How many BTU is the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette?
The Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette has a cooling capacity of 9,000 BTU, suitable for 15-25 m².
What room size is the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette suitable for?
The Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette is recommended for rooms 15-25 m².
Can I install the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette 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 Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette smart-home compatible?
Yes — the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette supports Panasonic Comfort Cloud, Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette take?
This unit is 3-5 business 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
£647
This AC / season
£216
You save / season
£431
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 799 kWh | £216 | Up to 300% | |
| Plug-in electric heater | 2396 kWh | £647 | 100% | |
| Electric storage heater | 2396 kWh | £647 | 100% |
Heat output estimated from this unit's 10,900 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 £216/season to heat a room vs £647 for an electric heater - that's £431 saved. https://stockool.store/products/panasonic-s-25py3e-paci-nx-2-5kw-compact-ceiling-cassette
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