Leaside Plumbing & Heating – Toronto’s Leading Plumbing and Gas Services Leaside Plumbing & Heating is a locally owned company located on Laird Drive in Toronto, ON. Our team of plumbers are fully licenced and insured and we offer exceptional plumbing, heating and natural gas piping services within Toronto and the GTA. You can count on us for 24/7 emergency services and no job is too small. Our services include faucet repairs, toilet replacement and installation, clogged drains, sump pump, electric or gas hot water heater repair, frozen pipes, boiler service, drain maintenance services and more.