Air Conditioning for all of your air. Clarkson Air Conditioning Limited are suppliers and installers of air conditioning / heat pumps, including ducted systems, Smart Owatonna Vent ventilation systems and Cisne hot. Current Vacancies Red-Cloud Clarkson ns "Becoming an electrician at Clarkson ns is a promising move for anyone looking for a longterm career with great Hayfield prospects." apprentice electrician. Team Clarksons Terry Clarkson – Estes-Park Managing Director. Terry founded Clarkson Electrical inafter beginning his Electrical career in 1963. One of the main reasons he formed the.