Air Conditioning & Refrigeration in Cardiff & South Wales
Accredited installers for Mitsubishi Electric & Daikin, with an extensive 5-year warranty on our equipment and fully F-Gas certified 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
Mitsubishi Electric & Daikin accredited
Optimum Air Conditioning
Optimum Air Conditioning specialises in the installation of energy-efficient air conditioning and refrigeration systems, with a focus on quality and expertise.
As accredited installers for Mitsubishi Electric & Daikin, we not only ensure superior installation but also offer an extensive 5-year warranty on our equipment. All of our engineers are fully trained and certified to the latest F-Gas regulations, guaranteeing that they are always at the forefront of the latest industry standards and installation techniques.
- REFCOM registeredREF1012233
- F-Gas certifiedEvery engineer
- NICEICRegistered electricians
What we do
Our Services
We offer a comprehensive package that encompasses design, supply, installation, servicing, and preventative maintenance. See all services.
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 moreBespoke Services
Specialist Installers
Understanding that each client has unique requirements, we pride ourselves on offering a diverse selection of products from leading manufacturers. This variety ensures that we can match the perfect system to your specific needs, featuring unique benefits tailored to different scenarios.
Explore our portfolio on our gallery page, or for a deeper insight into our projects the Case Studies tab provides detailed overviews. Stay informed with the latest updates by following us on Facebook.
From a small domestic system to the large VRF multi systems in commercial buildings and hotels.
The 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.
Keeping you Comfortable
All Year Round
We have in-depth experience in the design and installation of all air conditioning and refrigeration equipment, from a small domestic system to the large VRF multi systems in commercial buildings and hotels. We install air conditioning and refrigeration equipment into medical facilities, industrial buildings, laboratories, clean rooms, domestic properties and server rooms etc.
- Domestic properties
- Commercial buildings
- Hotels
- Medical facilities
- Industrial buildings
- Laboratories
- Clean rooms
- Server rooms
As a result of the international Kyoto Protocol, chlorinated refrigerant gasses are being phased out in an effort to halt climate change. All air conditioning & refrigeration equipment installed by us utilises the most efficient zero ozone depleting refrigerants & is therefore fully compliant with latest F-Gas regulations. Our company is a Refcom member and all our engineers are F-Gas trained and registered, a legal requirement to work with refrigerant gases since 2011.
We also provide a full air conditioning & refrigeration maintenance package, we service and repair your equipment for cost effectiveness and efficiency. This protects your investment and lowers your running costs.
Air conditioning for heating and cooling. Try the dial.
From the gallery
Recent work
REFCOM registeredCompany Number REF1012233
Operating across the UK
About Us
Optimum Air Conditioning, a family-owned business of medium size, prides itself on its team of highly skilled and dedicated engineers. Our expertise spans a broad range of services including the installation, repair, and maintenance of air conditioning, refrigeration, and ventilation systems.
We offer a comprehensive package that encompasses design, supply, installation, servicing, and preventative maintenance, ensuring a full-service solution for our clients.
Our commitment to excellence is evident in every task we undertake, whether it's the installation of an expansive air conditioning system or the servicing of a compact refrigeration unit. We uphold a uniform standard of respect and high-quality service for all our customers.
Although based in South Wales, our reach extends across the UK.
Although based in South Wales, our reach extends across the UK, having undertaken projects nationwide both for Optimum and as subcontractors. Our engineers are highly sought after for their installation, repair, and maintenance expertise by some of the UK's largest facility management companies. Additionally, air conditioning and refrigeration businesses can engage our engineers for subcontracted work, benefiting from their exceptional skillset; please get in touch for further details.
Optimum Air Conditioning adheres to the highest standards in the industry, offering a five-year guarantee on our work post-installation. Our engineers are fully trained and certified in F-Gas regulations, a legal requirement since 4 July 2009 for all entities dealing with F-Gas refrigerants in stationary refrigeration, air-conditioning, and/or heat pump equipment. We are a REFCOM registered company, fully compliant with the latest F-Gas regulations, under the Company Number: REF1012233.
For added assurance, we maintain comprehensive public and personal liability insurance, with certificates available upon request, ensuring peace of mind for our clients.
Google reviews
What our customers say
Recent projects
Case Studies
Based in Wenvoe, Cardiff
Where we work
Although based in South Wales, our reach extends across the UK. These are some of the towns and cities where our engineers have recently installed, serviced and repaired systems. Browse the project gallery for more.
Get in Touch- Cardiff
- Cardiff Bay
- Pontcanna
- Whitchurch
- Penarth
- Wenvoe
- Dinas Powys
- Bridgend
- Caerphilly
- Bargoed
- Aberdare
- Port Talbot
- Tenby
- Monmouth
- Bath
- Kings Langley
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.