..20 service price + lead time please ex vat..: a) Cost for a 2hr callout for inspection, report, repair minor fault. b) Cost for each subsequent hr, c) Cost per hour for emergency callout out of hours, wknd, bank hols, for d) heat pump servicing e) Survey cost for potential heat pump installation, f) Heat pump replace cost, inc electrical services, g) heat pump system install cost to comply with drawings inc fuse board wiring, h) Quote to install 2 battery powered CO alarms per abode?