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Mitsubishi Electric  |  SKU: ME-AY35

Mitsubishi Electric AY 3.5kW Wall Mounted Air Conditioning System

High Street: £1,024.00 High Street: £853.33
Our Price:
£988.99 Inc. VAT £824.16 Exc. VAT

The MSZ-AP or AY range from Mitsubishi Electric is a wall mounted system that blends energy efficiency with a modern white design. Boasting outstanding benefits, this mid-range unit includes some models that contain state-of-the-art Wi-Fi control as standard and utilises lower GWP R32 refrigerant.

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Important information:

We can only send this item once we have received the FGAS details of your installation engineer, and then verified those details with the engineer.

Don't have an installer yet?

Check here for CoolEasy to arrange installation for you with one of our UK recommended engineers.

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Delivery & Returns

We aim to dispatch orders on a next-working day pallet delivery, once we have received the FGAS details of your installation engineer, and then verified those details with the engineer. The required information is sent once we have received your order online. We will then confirm with you a convenient delivery date to ensure you can take delivery of the item.

This can be done on the same day if orders are placed before 12pm (Mon-Fri) and we have confirmation of all the above details.

Deliveries will be between 8.30am and 6pm and we request that you are available at those times, otherwise the order will be returned and we may have to issue a non-delivery fee.

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unused, have any accessories included, and include all the original packaging.


Read our comprehensive FAQ page which provides answers to queries around system types and installation.

Go to FAQs


The MSZ-AY & MSZ-AP wall mounted systems deliver excellent flexibility and energy efficiency for air conditioning projects.

The range benefits from a stylish design, air purifying properties and a range of capacities from 2.0kW to 7.1kW in the single split collection. With connection capability to single as well as multi-split systems, the Elegance series is a great fit for residential and light commercial applications.

Key Features & Benefits:

  • Elegant and sleek design to complement multiple application types
  • High seasonal efficiencies, offering energy savings and low running costs
  • Low noise levels, including Night Mode setting, for minimal disturbance to occupants
  • In-room air purification through advanced V-Blocking filter, neutralising bacteria, viruses, allergens, dust and mould
  • Luxury Matt finish ensures easy cleaning and consistent premium appearance (MSZ-AY only)
  • Self-cleaning mode prevents mould and odours, allowing cleaner air to be delivered to the space (MSZ-AY only)
  • Dual-Barrier coating on the heat exchanger, fan and air duct prevents dust and grease accumulation within the unit, ensuring long-term efficient operation (MSZ-AY only)
  • Built-in Wi-Fi interface enables system control and monitoring via the Mitsubishi Electric MELCloud app; plus voice control - compatible with Amazon Alexa and Google Assistant-enabled devices

**UK F-GAS laws state you must provide us with details of the F-GAS registered engineer you will be using BEFORE we can dispatch any split systems**

These systems are not held in stock and are ordered directly from the manufacturer as required. Please contact us for availability before ordering to ensure delivery is possible when it shall be required.

Images are for reference only


  • Indoor Unit:
  • Heating Capacity (kW): 1.3-4.6
  • Cooling Capacity (kW): 1.1-3.8
  • COP (W): 3.88
  • EER (W): 3.54
  • SCOP (W): 4.70
  • SEER (W): 8.70
  • Heating Max Airflow (I/s): 197
  • Cooling Max Airflow (I/s): 185
  • Sound Power (dBA): 57
  • Dimensions (mm): 798 x 245 x 299
  • Weight (kg): 10.5
  • :
  • Outdoor Unit:
  • Sound Power (dBA): 61
  • Dimensions (mm): 800 x 285 x 550
  • Weight (kg): 28.5
  • Power Supply: 1 / 220-240 / 50
  • System Power Input (Heating/Cooling) (kW): 1.03/0.99
  • Starting Current (A): 4.7
  • Running Current (A): 8.46
  • Max Pipe Length (m): 20
  • Max Pipe Height (m): 12


Installation Info

The below information is a general guide and not for any specific air con system. The installation will require the services of an F-GAS registered engineer, who will be trained and have experience of installing these systems

Indoor Unit - Pre-checks

  • Ensure there is no source of heat or steam nearby.
  • Ensure there is nothing stopping the installation of the unit before drilling holes.
  • Do not mount above a shelf or a cupboard that could restrict air circulation.
  • For the unit to work effectively in cooling mode, it must be mounted 2m off the ground or above head height.
  • Make sure the installation wall is suitably secure.

Outdoor Unit – Pre-Checks

  • If you erect a canopy to protect the unit from rain and sun, DO NOT obstruct the heating dispersion for the condenser.
  • Don't keep animals or plants near the outdoor unit as the hot and cold air discharge will cause discomfort.
  • Make sure to have the distance specified in the installation manual (provided by each manufacturer) between ceiling, wall, furniture and other obstacles.
  • Do not mount near flammable gas tanks.
  • The mounting brackets/mounting plate or mounting feet for the unit must be secure, flat and level.
  • The outdoor unit must be secure, flat and level.

Installation Of The Air Conditioning System

Your chosen F-GAS registered engineer will aid you to select the best location for the indoor unit (Evaporator) and outdoor unit (Condenser) to be positioned.

You may also need to employ the services of an electrician, to supply mains power to the outdoor unit’s location. If in doubt, discuss this with your chosen air conditioning engineer.

The engineer will likely book the installation in as a half day or full day job, depending on the chosen locations and complexities of the installation.

They will usually supply all parts and sundries required to complete the job, as most systems available are only supplied with an indoor unit, an outdoor unit and a remote control. There are various extra parts required to install an air conditioning system, this can include:

  1. Brackets or Feet
  2. Pipework and Lagging
  3. Electrical Cable
  4. Trunking
  5. Condensate Pumps
  6. Fixings and Fasteners
  7. Additional Refrigerant
  8. Plus many more items, depending on the type of system(s) being installed

It is best to speak with the engineer when discussing the quote given to carry out the installation, to see what is included.

Specialist tools are required to commission an air con system which your engineer will bring with them to install you system. Systems must be strength and pressure tested and held on a vacuum for long periods of time, to ensure they are going to operate effectively as possible and eliminate the risk of leaking refrigerant into the atmosphere.

Upon completion of the installation the engineer should issue you an F-GAS Commission Certificate.

Tech Sheets

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Mitsubishi Electric

Mitsubishi Electric AY 3.5kW Wall Mounted Air Conditioning System

High Street: £1,024.00 High Street: £853.33
Our Price:
£988.99 Inc. VAT £824.16 Exc. VAT


High quality systems

Cooling Info


Heating Information


Energy level

Energy Rating =A+++
COP = 3.88
SCOP = 4.70
EER = 3.54
SEER = 8.70

Noise level


Suitable for room sizes

Up to 30m²

Dimensions & weight

Indoor 798 x 245 x 299mm
Indoor 10.5kg
Outdoor 800 x 285 x 550mm
Outdoor 27kg

Smart features

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