Langstaff and Sloan have provided residential and commercial electrical services in the GTA since 1991. Our commitment to providing professional and reliable electrical services has made Langstaff and Sloan an Authorized Contractor of Toronto Hydro Energy Services. We specialize in providing Knob and Tube rewiring services, and have extensive experience with high-rise Sub Metering, retrofit lighting, leasehold improvements, and multiple Utility/OPA sponsored programs, such as Peak Saver. Our company actively embraces innovative and green technologies, and provides our clients with courteous service at competitive rates.