Air Conditioning & Refrigeration Services in Cardiff
We offer a comprehensive package that encompasses design, supply, installation, servicing, and preventative maintenance, ensuring a full-service solution for our clients.
Five Star Reviews on Google
- 24/7Breakdown service
- 5 yearWarranty on new systems
- F-GasCertified engineers
- Mitsubishi Electric
- Daikin
- REFCOM registered
- F-Gas certified
- NICEIC electricians
- J&E Hall
- Thermoscreens
- Matrix & Isark cold rooms
- Mitsubishi Lossnay MVHR
- Ecodan heat pumps
Bespoke Services
Our Services
Understanding that each client has unique requirements, we pride ourselves on offering a diverse selection of products from leading manufacturers. Choose a service below, or get in touch to arrange a free site survey.
Air Conditioning
Design, supply and installation of energy efficient cooling and heating for homes and businesses.
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Heat Pumps
Air source heat pumps for low cost, reliable heating and hot water, ideal off the gas grid.
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Refrigeration
Cellar coolers, walk-in fridges and freezers, display cases and commercial refrigeration.
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Electrical
NICEIC registered electricians for installation, maintenance, inspection and air curtains.
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Ventilation
Ventilation, fume extraction and MVHR heat recovery systems for cleaner, fresher air.
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Spray Painting
Cassettes and ventilation grilles spray painted on site to match your walls or brand colours.
Find out moreThe complete solution
How we work
We provide the complete solution from design, supply, installation, service & preventative maintenance.
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Free site survey
Contact us to arrange a free site survey. We will always endeavour to provide a highly competitive quotation and detailed technical advice to suit your requirements.
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Design
In-depth experience in the design of all air conditioning and refrigeration equipment, from a small domestic system to the large VRF multi systems in commercial buildings and hotels.
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Supply
A very wide range of products from the leading manufacturers, each with their own unique features to suit your needs.
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Installation
We install the best equipment to suit the application, with the minimum of disruption to your business or home.
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Service & maintenance
We service and repair your equipment for cost effectiveness and efficiency. This protects your investment and lowers your running costs.
Quick, Easy, Affordable
Maintenance Matters
Commercial or domestic, at Optimum Air Conditioning our F-Gas registered engineers will ensure that your systems are back up and running as soon as possible. We take care of clients in South Wales and the surrounding areas, providing a breakdown service that's available 24/7. Why wait until there's an issue? We also offer full maintenance to identify any issues before they become a problem.
Have a look at some of our recent work in the gallery or read our case studies.

Arrange a free site survey
When it comes to air conditioning and refrigeration, a one size fits all approach simply doesn't work. We can design, install and maintain a system based on your own unique requirements.