Through the Wall Air Conditioning
Our through the wall air conditioning systems for your property
Through The Wall Products | Through The Wall AC Features | FAQs | Book a Consultation
Air Conditioning that suits your style
Through The Wall Air Conditioning With Internal Condenser (no external unit)
Property restrictions are one of the main obstacles you may encounter when choosing the right air conditioning unit for your home or office. Our through the wall air conditioning units are a great alternative to conventional air conditioning systems and as a result, the ideal solution if you are not allowed an outside condenser. This solution is perfect for homes such as flats, apartments, offices and is suitable for installation if you have an external wall.

Our Through The Wall air conditioning units
MCW 2.0 MULTISPLIT – PDC
- Reduced Water Consumption
- Class A+++/A++
- Gas R32
- Maximum Silence
- Full DC Inverter + H2O Inverter
Over 30 years of Air Conditioning expertise
Since starting in 2002, ACS Installations is the leading supplier of conditioning products and installations in London and Home Counties.
We offer a bespoke installation service to suit your needs and requirements. If you are looking for an internal air conditioning system, we should be your first choice.
We have installed hundreds of internal condensers all over London and the Home Counties.

Through the wall Air Conditioning System Features
We have accreditations from F-Gas and more so you are in safe hands.
We are the pioneers of water cooled air conditioning units in the country.
Fitted through the use of a wall sleeve. This prevents unwanted drafts.
We tailor our installations based on your specific requirements.
This unit is incredibly quiet when being used to cool your space.
Our London based help desk engineers can assist you when you need us.
Where to install through the wall air Conditioning
Through the wall air conditioning units are ideal for properties with restrictions.

Water cooled units are ideal for restricted properties such as apartments where an outdoor condenser unit is not allowed.

Listed Buildings
If you live in a Grade II listed building, a water cooled unit can be installed with no planning permission required.

Water cooled units are ideal for single rooms with limited space or planning permission restrictions.
How it works
Water cooled systems are plumbed directly into your water supply. They use the cold water in a controlled manner to cool the air through the piping system. Unlike traditional air conditioning systems, water cooled units do not require an outdoor unit. The internal condenser is usually hidden within the property in a concealed space such as a cupboard or under the kitchen sink.

Frequently Asked Questions
Some of your questions about the through the wall air conditioner answered.
Can I Install Through The Wall Air Conditioning In A Listed Or Restricted Property?
The simple answer is yes. You can install a through the wall air conditioning systems in a listed or restricted property. Contact us if you would like to discuss getting a water based AC in your home.
How quickly can this be installed?
A typical single split type AC unit will take 1-2 days to install. We can give you a good estimate if you contact us and inform us about your property and what you require.
Do The Units Make A Lot Of Noise?
Modern units are very quiet. In the workplace, you rarely notice them while in bedrooms at night time certain specific night set back settings slow the fans down to reduce the cooling requirement in line with falling ambient temperatures.
How Much Will It Cost To Run?
A single AC unit of average size will run at a similar cost to a domestic fridge as modern technology allows the power element of the unit to speed up and slow down according to the demand.