Hogg Mechanical Heating & Air Conditioning is a Heating and Cooling company serving Residential and Commercial clients in the Waterloo and Wellington Region. We've spent the past 139 years keeping customers like you comfortable in your homes and workplace. Our technicians can provide you with the following services: emergency furnace repair, HVAC system maintenance, furnace check up, commercial heating and air conditioning and more. We have 24-7 emergency on-call assistance and will get you help when you need it!