Furnasman One Hour UV Lights One Hour Heating & Air Conditioning, the leading "on time" service company in Manitoba. In fact, if our serviceman is even one minute late the repair is on us. That's right, if the technician is latel fix your furnace for FREE. Not a dime for parts. Not a dime for labour Established as Furnasmans in 1939, we joined the One Hour network of companies (Air Time 500) in 2003 and that success led to becoming Furnasman One Hour Heating and Air Conditioning