
Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Mitsubishi Electric PLA-M125EA2 is a high-capacity 4-way ceiling cassette designed for large-scale commercial applications. Delivering 12.5kW of cooling power, this unit is built to handle the demands of expansive open-plan offices, large retail spaces, or conference halls. It features advanced 4-way airflow technology, ensuring that conditioned air is distributed evenly throughout the space, eliminating hot or cold spots. The unit is designed for high-efficiency operation, utilizing R32 refrigerant to provide powerful performance while maintaining an excellent energy rating. Its durable construction and reliable inverter-driven compressor ensure long-term performance even in heavy-use scenarios. The unit includes a high-lift drain pump for flexible installation and is compatible with a wide range of wired and wireless controllers, including smart interfaces for remote monitoring and management. This cassette is the ultimate choice for businesses looking for a powerful, reliable, and energy-efficient climate control solution that can handle the challenges of large, high-traffic environments.
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 Mitsubishi Electric →Official Mitsubishi Electric manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Dimensions & fit
Height × width × depth in millimetresManufacturer cabinet figures, excluding packaging and pipework. Leave clearance around the outdoor unit for airflow — ask us if you need the full cut sheet with mounting and clearance requirements.
Description
The Mitsubishi Electric PLA-M125EA2 is a high-capacity 4-way ceiling cassette designed for large-scale commercial applications. Delivering 12.5kW of cooling power, this unit is built to handle the demands of expansive open-plan offices, large retail spaces, or conference halls. It features advanced 4-way airflow technology, ensuring that conditioned air is distributed evenly throughout the space, eliminating hot or cold spots. The unit is designed for high-efficiency operation, utilizing R32 refrigerant to provide powerful performance while maintaining an excellent energy rating. Its durable construction and reliable inverter-driven compressor ensure long-term performance even in heavy-use scenarios. The unit includes a high-lift drain pump for flexible installation and is compatible with a wide range of wired and wireless controllers, including smart interfaces for remote monitoring and management. This cassette is the ultimate choice for businesses looking for a powerful, reliable, and energy-efficient climate control solution that can handle the challenges of large, high-traffic environments.
Compare similar units
Side-by-side specs for other ceiling cassettes in a similar BTU range.
Common questions about the Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette
How many BTU is the Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette?
The Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette has a cooling capacity of 42,500 BTU, suitable for Up to 100m².
What room size is the Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette suitable for?
The Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette is recommended for rooms Up to 100m².
Can I install the Mitsubishi Electric PLA-M125EA2 4-Way 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 Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette smart-home compatible?
Yes — the Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette supports Amazon Alexa, Google Home for app and voice control.
How long does delivery of the Mitsubishi Electric PLA-M125EA2 4-Way Ceiling Cassette take?
This unit is dispatched in 3-5 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
Filter by brand
Belaco
Stiebel Eltron
Broughton
Reznor
CIAT
Powrmatic
FlaktGroup
Swegon
Suntec
Costway
VYtronIX
Beldray
Clarke
Omega Altalfa
Dantherm
Amcor
Rhoss
Kelvinator
Westinghouse
York
Trane
Lennox
Black + Decker
Honeywell
Senville
AUX
Comfee
Whynter
Viessmann
Rinnai
Aermec
NIBE
Sinclair
Blyss
Fral
Whirlpool
Electrolux
Sharp
Cooper & Hunter
Daitsu
Dimplex
Bosch
Vaillant
Olimpia Splendid
Carrier
Toshiba
Mitsubishi Heavy Industries
DeLonghi
Hitachi
Pro Breeze
Meaco
AEG
Devola
Fujitsu
electriQ
Samsung
Woods
Midea
Haier
TCL
Hisense
LG
Gree
EcoAir
Panasonic
Sealey
Daikin
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
448 kWh/yr
EER 10
Standard model
561 kWh/yr
EER 8
Est. saving
£30.27
112 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (42,500 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 13 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£2730
This AC / season
£910
You save / season
£1820
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 3370 kWh | £910 | Up to 300% | |
| Plug-in electric heater | 10111 kWh | £2730 | 100% | |
| Electric storage heater | 10111 kWh | £2730 | 100% |
Heat output estimated from this unit's 46,000 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 £910/season to heat a room vs £2730 for an electric heater - that's £1820 saved. https://stockool.store/products/mitsubishi-electric-pla-m125ea2-4-way-ceiling-cassette
You may also need

Sealey Air Cooler, Purifier & Humidifier with Remote Control 13L SAC13
Drop-ship available
Sealey Air Cooler, Purifier & Humidifier SAC04
Drop-ship available
Sealey Air Cooler, Heater, Purifier & Humidifier SAC41























































