During your annual Air Source Heat Pump service, multiple things are checked. An in depth maintenance visit will check the following:


  • Electrical switches and wiring condition.
  • Internal components and fans.
  • Visual inspection of refrigerant circuit. 
  • Hydraulic circuits.
  • Condition of evaporator.
  • Meter condition and reading if applicable
  • Outdoor temperature sensors.
  • Strainers and filters in the hydraulic circuit.
  • Verify anti-freeze levels and type. (Does not include glycol top up, this will be quoted for if required)
  • Legionella purge cycle settings.
  • HW and CH user controls.
  • ASHP expansion vessel.
  • Defrost cycle.
  • Condensate collector.
  • Appliance cleaned
  • Combined temperature and pressure relief.
  • Cold water and Central heating mains expansion vessel.
  • Strainers and filters in hydraulic circuits.
  • Electrical switches and wiring condition.
  • Storage vessel inspected


Our ASHP service is priced from £180.00 + VAT.