A system that fits your space.
New air conditioning for offices, shops, restaurants and commercial premises. Discuss your layout, use and heating and cooling needs.
Installation, servicing and repairs for your business. Local support from Southend, with commercial experience across Essex, London and the Home Counties.
Free surveys for proposed installations and replacements.

From fitting out a new space to looking after the systems you already rely on, speak to Custom about practical air conditioning for your business.
New air conditioning for offices, shops, restaurants and commercial premises. Discuss your layout, use and heating and cooling needs.
Planned servicing for existing air conditioning. Talk to us about your equipment and a maintenance schedule suited to your premises.
Fault finding and repairs for equipment that isn’t performing as it should. We’ll discuss the issue and the next steps with you.
Pressure testing and commissioning for commercial split and VRF/VRV installations, supporting your project through to handover.
Our team has carried out air conditioning work on projects for companies such as Sainsbury’s, Popeyes Chicken and M&S, as well as in schools, hospitals and offices.
Our experience includes work delivered through commercial contracting partners.
Custom Air Conditioning Ltd is based in the Southend area. We work with business owners, building managers and commercial contractors across Essex, London and the Home Counties.
Tell us what your space needs. Whether you’re planning an installation or need support with an existing system, our team is here to help.
Share your location, the type of space and what you’d like to improve.
For installations and replacements, arrange a free site survey. For faults and servicing, discuss the scope and charges first.
Consider the proposed work, ask questions and agree the details before booking.
Serving Essex, London and the Home Counties. For commercial projects further afield, get in touch to discuss the location and scope.
Planning a new installation? Looking for a local servicing or repair contractor? Speak to our team about your premises.
Enquire on WhatsApp ↗For a useful first conversation, have your postcode and any equipment details or photos to hand.
Yes, for proposed installations and replacements. Fault diagnosis and servicing are separate services; contact our team to discuss the scope and charges before booking.
Contact us with the make, model and a description of your equipment or fault. We’ll discuss whether we can help and what the next step would be.
Yes. We welcome enquiries about commercial premises, individual units and property portfolios. Tell us about your buildings and any contractor approval requirements.
Your location, the type of premises, what you need and your preferred timescale. Photos and existing equipment details are helpful where available.