It all starts with a quote.

At our location in Ancaster, Ontario, we are capable of designing and fabricating custom sheet metal duct work for a variety of needs. Our installations in the field are done with accuracy and integrity. Post Air Systems has the support of many suppliers for speciality items that may be required on any project.

For an HVAC system that will last, contact Post Air Systems for a quote on your next project.


Custom Ventilation Ductwork

It starts with a pen and paper, and it ends with sheers and metal. Ask us for a quote on your custom job.


Gas Fitting

Our team of mechanics are trained in gas pipe fitting and work to the highest standard of safety.



Frank Post is a Master in the field of sheet metal with over four decades of hands on experience. If you want your unique project to be done right, send it to Post Air Systems for a consultation.