
Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System is a light-commercial and luxury domestic solution designed to fit cleanly within standard 600x600mm ceiling grids. Delivering 360-degree round-flow air distribution, it prevents thermal layering and cold spots across open-plan dining rooms, offices, and retail premises. Carrier's industry-leading DC inverter technology achieves high seasonal efficiency and remarkably low operational sound levels. Complete with a built-in high-head condensate drain lift pump and cleanable antimicrobial air filters, it ensures trouble-free installation and reliable maintenance. Compatible with smart digital controllers and Wi-Fi expansion accessories, this reverse-cycle heat pump split system provides powerful, balanced heating and cooling year-round, making it a preferred choice for architects, developers, and discerning UK homeowners alike.
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
In stock now — closest alternatives
This unit is on pre-order. These ship now, matched on cooling capacity and price.

Dantherm Split Inverter 18000 BTU

Bosch Climate 4000i 5.3kW Smart Inverter Split System Air Conditioner Heat Pump

Gree Amber Royal 5.3kW Inverter Wall Split

Vaillant climaVAIR multi VAM1-050A2NO Dual-Zone Inverter Outdoor Unit 5.0kW
Technical documents & videos
More from Carrier →Official Carrier 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 Carrier — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System is a light-commercial and luxury domestic solution designed to fit cleanly within standard 600x600mm ceiling grids. Delivering 360-degree round-flow air distribution, it prevents thermal layering and cold spots across open-plan dining rooms, offices, and retail premises. Carrier's industry-leading DC inverter technology achieves high seasonal efficiency and remarkably low operational sound levels. Complete with a built-in high-head condensate drain lift pump and cleanable antimicrobial air filters, it ensures trouble-free installation and reliable maintenance. Compatible with smart digital controllers and Wi-Fi expansion accessories, this reverse-cycle heat pump split system provides powerful, balanced heating and cooling year-round, making it a preferred choice for architects, developers, and discerning UK homeowners alike.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System
How many BTU is the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System?
The Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System has a cooling capacity of 18,000 BTU, suitable for Up to 50m².
What room size is the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System suitable for?
The Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System is recommended for rooms Up to 50m².
Can I install the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System 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 Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System smart-home compatible?
Yes — the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System supports Carrier Home App, Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Carrier Toshiba-Carrier RAV 18,000 BTU 4-Way Compact Ceiling Cassette Split System take?
This unit is 3-6 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
146 kWh/yr
EER 13
Standard model
237 kWh/yr
EER 8
Est. saving
£24.65
91 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1157
This AC / season
£386
You save / season
£772
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1429 kWh | £386 | Up to 300% | |
| Plug-in electric heater | 4286 kWh | £1157 | 100% | |
| Electric storage heater | 4286 kWh | £1157 | 100% |
Heat output estimated from this unit's 19,500 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 £386/season to heat a room vs £1157 for an electric heater - that's £772 saved. https://stockool.store/products/carrier-toshiba-rav-18000-btu-4-way-compact-ceiling-cassette-split-system
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






















































