Installation / Construction / Geothermal - HP  Today Gateway Mechanical Services Inc. designs*, builds and installs all types of Heating, Refrigeration, Air-conditioning and Ventilation Systems. Our collective experience and diverse skills make us a preferred choice in these fields. We can offer complete system installations from design stage* to commissioning. We employ our own work force, comprised of in-house refrigeration mechanics, sheet metal mechanics, plumbers/gasfitters and electricians.  Whether your need is coolers, freezers, HVAC systems, process chillers, control room air-conditioning or heating boilers; the Gateway design team can build a system to suit both your application and your budget. Our customers range from small business, warehousing, process plants, manufacturing plants, gas plants, oil refineries, food service, supermarkets and pharmaceutical production, to oil exploration companies operating in the Arctic & Middle East.   * - with our engineering partners