gas heaters, humidifiers, intercommunication equipment or systems, reverse osmosis systems, emergency showers, vapor recovery systems, temperature controls, make up air equipment, steam humidifiers, water coolers, forced air heaters, recirculating gas heaters, water filters, building automation systems, plinth heaters, valance heaters, central plant humidifiers, lighting, computer room air conditioning (ac) equipment, electric boilers available from halco products based in elk grove village, il. click the links below to visit our website or contact us via our profile page.