John Costa began his electrical installation and contracting business in 1964. From those humble beginnings, the business now ... known as J&M Costa Enterprises PTY Limited operates from Western Sydney. J&M Costa employs over 50 qualified tradespeople, apprentices, technical and administrative staff along with retail sales staff making it one of the largest domestic electrical companies in NSW. At J&M Costa, we pride ourselves on exceptional customer service and superior installations using only the highest quality products. We are a Platinum Plus Dealer with Actron Air, which means we specialise in installing the most technologically advanced and energy efficient air conditioning systems in the market. J&M Costa is a proudly Australian and family owned company with Stephen Costa the Managing Director and David Costa the Construction Manager. By choosing J&M Costa as your air conditioning specialist, you are getting the highest quality service, which only 50 years of business expertise can provide. read more