Overview An established HVAC manufacturer is seeking a Pre-Sales engineer to support specification, contractor enquiries and system design. This is an office-based role. The Role Acting as the technical bridge between sales, contractors and consultants, you will provide pre-sales support on air conditioning and heat pump projects. Responsibilities include: Producing technical selections and system designs for split, multi-split and heat pump applications Reviewing project drawings, heat loss calculations and specifications Advising installers and M&E contractors on product suitability and system configuration Supporting the sales team with technical presentations and bid documentation Assisting with compliance queries relating to low-temperature heating and renewable systems Liaising with internal technical and product teams to resolve application challenges This is a design and applications-led role suited to someone who understands installation realities and can confidently discuss system layouts, pipe sizing, controls strategy and commissioning considerations. Requirements Background as an Air Conditioning or Heat Pump Engineer, or Mechanical Building Services Engineer Strong understanding of split systems, VRF/VRV, and domestic/light commercial heat pump systems Ability to interpret drawings and carry out basic heat loss or cooling load calculations Technically confident when speaking with contractors and installers IT literate and comfortable producing technical documentation Previous manufacturer or distributor experience would be advantageous but is not essential. Package Salary circa £45,000 Office-based role (Surrey) Standard company benefits Structured manufacturer environment with technical progression opportunities Monday-Friday working pattern A technically focused pre-sales opportunity for an ex-engineer looking to move off the tools while staying within the HVAC and renewable heating sector. WR HVAC | M&E are 1 recruitment partner for HVAC jobs. Our customers include a range of large and small M&E companies, manufacturers and suppliers of heating, ventilation, air conditioning and refrigeration equipment. We recruit UK wide for sales, management and technical jobs. WR is acting as an Employment Agency in relation to this vacancy.