One Hour Heating and Air Conditioning is your 'on-time' heating and air conditioning company in Ontario. That's the promise made by One Hour Heating & Air Conditioning. In fact, if our serviceman is even one minute late the repair is on us. That's right, if the technician is late, he will fix your furnace for?FREE. Not a dime for parts. Not a dime for labour. Our One Hour technicians also undergo rigorous background checks and ongoing education so you can feel comfortable knowing that a trustworthy and knowledgeable person is in your home. We are a licensed and insured to provide our customers with the protection they require and the peace of mind that the work will be done right the first time. more... See more text