Air Tech is an excellent company. We met Al at the home show and he honoured the special price offered there even though installation was almost 6 weeks later. The installation went very smoothly. They completed everything as planned and were able to install the air intake and exhaust for the furnace between my and my neighbour's homes even though the space between the houses is less than a foot and a half apart. Last but not least, Julie was a real help in scheduling and following up on the Ontario rebate.