PSL is one of the fastest growing mechanical service providers in Northern Ontario. We are proud of our work and our reputati ... on offering extensive experience in the mining, commercial, industrial and institutional markets. Our HVAC-R division has been exceeding the needs of Northern Ontario with a variety of heating, ventilation, air-conditioning, refrigeration and rental HVAC equipment on a 24/7 schedule. PSL offers services ranging from planned maintenance (both preventative and full coverage), inspections, diagnostic services as well as repairs, retrofits and new installations for commercial and industrial mechanical systems. Our Construction division has branched out globally and is quickly developing a comprehensive background in the mining industry with a specialty of Mine Ventilation System installs. PSL has successfully completed over 1000 construction projects of various sizes with zero harm. PSL Propane Division has been rapidly expanding and utilizing our expertise to assist in designing, installing and maintaining bulk propane plants and propane systems nationally and internationally. Our Petroleum division has taken Northern Ontario by storm by becoming the "go-to" petroleum maintenance, repair and installation contractor in our inaugural year far surpassing all expectations! read more