About IES Indoor environmental systems are specialists in the installation of comfort cooling/heating and ventilation systems and pride ourselves on the service we provide. More about us… Design We listen to the reasons the work is being considered so as to evaluate the best way of designing a specific solution to the situation on site. Whether the consideration is efficiency, cost, space or a combination of these we are here to help. Installation Once we have been instructed to commence works on site our attention to details remains. Our dedicated team will ensure that all aspects of the installation whether it be Health & Safety, Housekeeping, cost and time management or communication we will exceed your requirements Maintenance IES are part of a group containing FMS who are a specialist facilities management contractor. FMS offer a range of packages which can be tailored to your needs and will maintain any extended warranties offered by IES.