Air Conditioning



Southern Ductwork Services Ltd design, supply, install and commission air a huge range of air conditioning and Air Source Heat Pump (ASHP) systems, mainly in London and the South of England, although we do travel as far as Scotland if required! We pride ourselves on being able to provide a fast, cost effective and above all efficient service to all our customers, whether they require a single unit AC system or a multi VRF installation that requires several months of installation. 

Our major suppliers are Mitsubishi Electric and Daikin. Due to our high sales turnover with both of these companies, we are registered as both an MEUK partner contractor and a Daikin D1 contractor. With this accreditation we are able to offer 5 year extended warranties on most installations.

Our major products are VRF and VRV installations, both Heat Pump and Heat Recovery. We are very aware these products are a 'niche market' and very specialised, although now becoming commonplace, especially in commercial applications. We have extensive technical knowledge of these products and have have over 20 years experience in this field since the first VRF systems were installed in the mid 1990s. We are more than happy to give advice whenever we can, whether it be to end users or consultants.

VRF Condensing unit being craned onto 42 Portland Place London

Mitsubishi VRF condensing units being lifted onto 42 Portland Place, London.

Our engineers are highly skilled in the installation of these types of air conditioning products. All engineers carry CSCS Skills cards, PASMA certificates and are trained in City and Guilds 'Safe Handling of Refrigerants'. Senior engineers are First aid qualified. 

All engineers are fully uniformed and operate from well equipped signwritten Ford vans. Full PPE is supplied and worn depending on the site Health and Safety requirements. Works are carried out following detailed Method Statements and Risk Assements (RAMS) and we treat Health and Safety, including environmental controls, very seriously.


Southern Ductwork Services offer a full design and build service and often cost and return consultant designed tenders as required from our estimating department. We can offer full drawing and schematic facilities, often as part of a full technical submission for a tender return.


Please contact the office for further information or click the link at the top right of this page.

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