Mechanical Design Engineer - Building Services
WR HVAC • Stanwell Moor, Surrey • Posted May 29, 2026
About the Role
Overview & Role
An established HVAC contractor is looking to appoint a Mechanical Design Engineer to support ongoing commercial HVAC projects. The role is focused on full mechanical HVAC design, supporting projects from survey and technical calculation stage through to equipment selection and drawing coordination. You will be involved in heating and cooling load calculations, duct sizing, pipe sizing and plant selection across systems including VRV/VRF, boilers, AHUs and associated mechanical services equipment. This opportunity would suit a mechanically biased HVAC engineer with strong technical design capability looking to join a long-standing and well-established contractor environment.
Requirements
Experience within mechanical HVAC or building services design
Strong understanding of commercial HVAC systems and plant selection
Experience carrying out heating and cooling load calculations
Knowledge of duct sizing and pipe sizing calculations
Experience wo...
An established HVAC contractor is looking to appoint a Mechanical Design Engineer to support ongoing commercial HVAC projects. The role is focused on full mechanical HVAC design, supporting projects from survey and technical calculation stage through to equipment selection and drawing coordination. You will be involved in heating and cooling load calculations, duct sizing, pipe sizing and plant selection across systems including VRV/VRF, boilers, AHUs and associated mechanical services equipment. This opportunity would suit a mechanically biased HVAC engineer with strong technical design capability looking to join a long-standing and well-established contractor environment.
Requirements
Experience within mechanical HVAC or building services design
Strong understanding of commercial HVAC systems and plant selection
Experience carrying out heating and cooling load calculations
Knowledge of duct sizing and pipe sizing calculations
Experience wo...