T.H.S. has been servicing the HVAC industry. T.H.S. has achieved its goal of becoming a leader in the aftermarket and replacement parts business. With our constant dedication to service, and a 'customer comes first' attitude has become an important one to almost every major heating contractor in Canada. We have expanded our product lines, increased our stock, and have built a 3000 sq. ft parts counter & showroom. more... See more text