Need heating & cooling tech for part time work

Tom requested 2 quotes from Heating Professionals in Cheltenham

need heating & cooling tech for part time work two days a week at this stage would be more later on

Rinnai energy saver 550f,has stopped working.
Rinnai energy saver 550f,has stopped working.

REPAIR OR REPLACEMENT OF DUCTED HEATING
REPAIR OR REPLACEMENT OF DUCTED HEATING. relist 37449........Lil

Brivis ducted heater not igniting but pilot light is on?
Brivis heater not igniting but pilot light is on. Have switched everything...

Ducted heat system is not working
Control panel is flashing "ON" for a period of time and then changes to flash...