A Langley, BC, HVAC contractor from A.D.W. Mainland Heat & Air Conditioning INC can help you when the climate control system at your office or home hasn't been heating or cooling your building properly. At our company in Langley, BC, we believe that a well-functioning HVAC system is essential to keeping any space comfortable to live and work in. No matter your needs, we will work hard to deliver high quality work that is made to last. more... See more text