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Welcome to Optional Maintenance (FM) Ltd

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We are the experts in the supply and installation of air conditioning and renewable energy systems. Our products are manufactured by leading industry names and installed by experienced professionals, leaving you with a system that not only operates effectively but also one that lasts.

We offer the following products and services:

We’ll design a system around you, keeping your requirements and budget in mind, so you are accommodated in every way possible by our service.

So whether you want to cool your home or offices with one of our air conditioners, or generate green heat for your commercial building or new build with one our various renewable energy heating solutions, we will have the right system for you! We follow health and safety guidelines closely, so all our systems are always installed to the highest standards and come complete with a lasting warranty for your complete peace of mind.

We have supplied and installed air conditioning and renewable energy systems in a whole range of environments – from offices and retail outlets to leisure centres and homes – and can do the same for you. Our commercial portfolio includes major companies and organisations such as Alexon International, Airedale NHS Trust, Sheffield County Council, and many other satisfied commercial customers. Plus, our maintenance and servicing contracts will complement our incredible installation by ensuring that your equipment is always in great condition and working to its full potential.

We have years of experience in the installation and servicing of renewable energy and air conditioning systems, and can help you to regulate the different temperatures around your building with our affordable and professional services. We even offer financial assistance in the form of instalment packages which allow you to spread out the price of your system over a longer period of time.

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What our customers think



Optional carried out the decommissioning and removal of their site air conditioning equipment, which comprised of over 20 aged systems operating on R22 Refrigerant.

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Kier - Sheffield - Lydgate School


The heating and cooling to the Classrooms at Lydgate School where provided by 10 Rooftop Gas Fired Air Handling Units. These have been removed and replaced...

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Not sure what you need? Call our friendly team today on 0800 859 5264

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