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The Air Conditioning Experts

Professional Design & Installation

The Air Conditioning Experts

Reliable Maintenance & Repairs

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Welcome to T5 Cooling

Based in Essex, our air conditioning and electrical engineers cover London and the South East.

T5 Cooling expertly provides bespoke air conditioning design, installation, maintenance and repair services to business owners, facilities managers, main contractors, architects and residential clients.

We’re an accredited member of REFCOM, an assurance of best practice refrigerant management.  In addition, our in-house team of electricians are also NICEIC registered, approved electrical contractors undertaking design, installation, commissioning and maintenance of electrical installations to BS 7671.

Nationwide coverage is also available for larger project works.
The Air conditioning Experts
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Bespoke air conditioning systems

From single unit installations in challenging locations, to large scale commercial design, installation and maintenance services.

At T5 Cooling we offer a range of air conditioning lease finance options.  Call 01708 910 905 to find out more.

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Why Choose Us?

We put you firmly in control. Bringing an end to frequent emergency service call outs.

From Daikin, to Fujitsu, Mitsubishi Electric, Mitsubishi Heavy Industry and LG, our world-class product range gives you complete confidence. 


With intelligent air conditioning systems, installed and maintained by our specialist engineers, you’ll achieve a life-time of increased energy efficiency, and durability.   

Find out more about how we work

Professional Installation

Designed with your individual needs in mind


Maintenance designed to increase efficiency, boost life span and reduce calls outs.

Quality Assured

We only work with world-class air conditioning brands

Fast Response

Our engineers strive to deliver same day emergency repairs

NICEIC Certified

Installations run smoothly thanks to our specialist electrical engineers

REFCOM Registered

Trust in our best practice in refrigerant management

Why Work With Us?

Air Conditioning Excellence
The Air Conditioning Experts

Energy Inspection

A 5-yearly air conditioning inspection is a legal requirement of systems over 12kw.  Remove the hassle with our straight-forward inspection service.



Address financial and environmental pressures with sustainable air conditioning and heating solutions that incorporate the latest energy-efficient technologies.


Heat Pumps

“A+A” heat pump cooling & heating technology can provide a cost-effective and energy efficient alternative, and qualify for capital allowance tax reduction.

Working with Global Brands
Brands T5 Cooling

Based in Essex, our air conditioning and electrical engineers cover London and the South East. Nationwide coverage is also available for larger project works.

Get a FREE quote

Discover how you can save on outdated air conditioning with an intelligent system professionally installed by our expert engineers.