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Langstaff & 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 & 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.