Estabilsih air flow thru vents on central gas heater

Jim requested 2 quotes from Heating Professionals in Sunbury

The heater is igniting and fans are coming on but there is no flow thru the vents

BA Keenan Plumbing

Repair honeywell ducted heating, heat wont come out
I have a stadt p20ea roof unit,seven years old,was working perfectly till...

Heater to be serviced Vulcan Wall Furnace
Heater to be serviced Vulcan Quasar Wall furnace

Burning smell from Brivis ducted heating vents
When turned on the heater this morning there was a burning sell from the vents

Gas fire place needs to be flued
cast iron gas fire place needs to be flued. Gas fittings already exist but...