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Air Conditioning Installation

Stay Cool in London with Expert Air Conditioning Supply & Installation

Transform your home or workplace with professional air conditioning installation from On The House. Whether you need a quiet split system for a bedroom, a multi-room setup for a family house, or commercial air con for an office, our F-Gas certified engineers supply and fit modern, energy-efficient units with a tidy finish and a clear, fixed-price quote.

Fully Insured Professionals

Why Is Air Conditioning Installation Essential?

A professionally installed air conditioning system is more than a luxury in London summers — it is a practical way to improve daily comfort, protect productivity at work, and keep bedrooms usable during heatwaves. Modern heat-pump air con also provides efficient heating in cooler months, so one system can deliver year-round comfort.

From compact wall-mounted units in flats to discreet multi-split systems across larger homes and commercial spaces, expert design and installation reduce running costs, cut noise, and avoid the poor performance that comes from an undersized or badly sited unit.

Types of Air Conditioning We Install

We specialise in a wide range of air conditioning installation across London and surrounding counties:

Single Split Systems: A quiet indoor wall unit paired with an outdoor condenser — ideal for bedrooms, living rooms, home offices and small retail spaces.
Multi-Split Systems: One outdoor unit serving several rooms, keeping façades tidy while cooling (and heating) the spaces you use most.
Heat Pump Air Con: Energy-efficient systems that cool in summer and heat in winter for year-round comfort and lower running costs.
Commercial Air Conditioning: Wall, ceiling cassette and office systems designed for consistent comfort in workplaces, surgeries, studios and hospitality spaces.
Replacement & Upgrade: Swap an ageing or noisy unit for a quieter, more efficient modern system without unnecessary disruption.

Our Air Conditioning Installation Process

We make the entire process smooth and stress-free:

Initial Consultation & Survey We discuss how you use the space and carry out a detailed site survey, including electrics and condenser location.
Design & Quotation You receive system options, efficiency guidance and a clear, fixed-price quote.
Supply & Installation Our engineers mount the indoor and outdoor units, run pipework and electrics, and commission the system with minimal disruption.
Handover & Aftercare We test performance, show you the controls, and leave the space clean — with ongoing servicing available.

We work efficiently to keep your project on schedule while respecting your home or workplace.

Our Comprehensive Air Conditioning Installation Service

We handle every aspect of your air con project, from first survey to final handover. Our service includes:

Free Site Survey: We visit your home or workplace to assess room sizes, heat load, electrical supply, pipe runs and the best position for indoor and outdoor units.
System Design: Right-sized residential and commercial solutions — single split, multi-split or cassette units — specified for quiet running and efficient performance.
Supply & Fit: We supply modern, energy-efficient air conditioning units from trusted brands and install them neatly, with discreet pipework and a tidy outdoor condenser position.
F-Gas Certified Installation: Refrigerant handling, vacuum, charge and commissioning are carried out by F-Gas certified engineers.
Project Management: One account manager coordinates electrics, mounting, commissioning and aftercare so you are not left chasing trades.

Benefits of Professional Air Con Installation

Choosing On The House for air conditioning installation in London brings clear advantages:

Year-Round Comfort: Cool rooms in a heatwave and efficient heating when the temperature drops.
Quiet, Efficient Units: Modern inverter systems are designed to run quietly and use less electricity than older units.
Fixed-Price Quotes: Honest, transparent pricing after survey — no surprise extras once the job is agreed.
Tidy, Discreet Fit: Careful routing of pipework and a considered outdoor unit position that respects your property and neighbours.
Warranty Protection: Manufacturer warranties of up to 10 years are available on selected systems when installed and maintained correctly.
Healthier Indoor Air: Filtration and controlled airflow help reduce stuffiness in flats and offices that overheat or lack ventilation.

Maintenance & Aftercare

A professionally installed air conditioning system needs periodic servicing to stay efficient, quiet and reliable. Filters, refrigerant charge and outdoor coils all affect performance and warranty cover.

On The House provides ongoing air con maintenance and repair across London and surrounding counties — from seasonal servicing and filter changes to fault-finding, refrigerant top-ups and unit replacements. Regular care keeps running costs down and helps protect any manufacturer warranty.

Get Started Today

Don’t put up with overheating rooms or an ageing, noisy unit. Get a quiet, efficient air conditioning system designed and installed by On The House — for homes, flats and commercial spaces across London and the surrounding counties.

Fully Insured Professionals

FAQ

01.

Cost depends on the number of rooms, the type of system (single split, multi-split or commercial), pipe-run length and any electrical upgrades. After a free site survey we provide a clear, fixed-price quote so you know the full supply-and-fit figure before work begins.

02.

Most domestic wall-mounted systems do not need planning permission, but listed buildings, conservation areas and some flats with exterior restrictions can be different. We check the outdoor unit position on survey and flag anything that needs extra consent before installation.

03.

A straightforward single-split installation is often completed in a day. Multi-split or commercial systems typically take one to three days depending on the number of indoor units and the pipework route. We confirm the programme with your quote.

04.

Yes. Handling refrigerant is a legal requirement under UK F-Gas regulations. Our air conditioning installation and servicing is carried out by F-Gas certified engineers, and systems are commissioned correctly so manufacturer warranties remain valid.

05.

Yes. Most modern systems we install are air-to-air heat pumps. They cool efficiently in summer and provide comfortable heating in cooler months, which is particularly useful in flats and rooms without reliable central heating.

06.

Yes. We offer maintenance, filter and coil cleaning, refrigerant checks, repairs and replacements for existing systems as well as brand-new installations — for both residential and commercial properties.