Profile: Sunvic Controls Ltd. supplies central heating time controls to homeowners and landlords. We specialize in the appliance and HVAC controls market. We are an ISO 9001:2000 certified company. We provide mechanical, electrical and electronic design. Our TLX 6501 programmable room thermostat provides 7 day control of your heating or cooling system by switching between user adjusted comfort and economy temperatures under the control of a pre-defined or user-defined daily programs.