At GTA H & A Ltd. we are proud that our customer friendly expert HVAC technicians respond quickly to any emergency heating and cooling repair 24 hours a day, 7 days a week.We are a family owned business who have been offering our expertise to the Greater Toronto Area for almost a decade. Our technicians will diagnose any problems you may have with your heating and cooling units and, in most cases, can have your equipment up and running within minutes. We believe in providing straightforward information and options to enable sound decisions.more...See more text