Winter Electrical Ltd. Winter has years of experience in Residential and Commercial Fields. Winter Electrical LTD. is a registered company that has 5 million dollar insurance and WCB.Residential Electrical Services include: New construction, Custom homes, Renovations, Basement Wiring , Kitchen Upgrades, Hot Tub & A/C Hookups, Panel Swap/Service Upgrades, Troubleshooting and more. We also offer complete commercial electrical services- New construction, Base Building, maintenance and Tenant Renovations.