Ducted Lennox heating - not heating up (blowing cold air) -all else working

Anthony requested 3 quotes from Heating Professionals in East Lindfield

Ducted heating blowing cold air - Lennox - might be that the flame for heating has gone -

Brivis Heater not working
I have a Brivis Buffalo gas heating system, only blowing cool air. No pilot...

Old Lennox Furnace needs relight (won't relight) and ducting needs repair
Old gas Lennox Furnace - gas company replaced the meter and now the furnace...

My heating unit-brivis buffalo 52. only cool air coming out n need fixed.
Have tried to re-ignite heating unit-brivis buffalo 52 but not lighted....

Vulcan central gas heater not working
Vulcan Tubular gas central heating turns on for approx 2 minutes and then...