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 in F-Gas regulations, guaranteeing that they are always at the forefront of the latest industry standards and installation techniques.

Bespoke 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.

Air Conditioning

Heat Pumps




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, 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.

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.

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.