Servicing approximately 1 million customers in Ontario, Union Energy LP, is a completely Canadian-owned and operated company. Through its 790 highly trained employees, Union Energy offers efficient essential home comfort services designed to help customers manage their home in a way that is worry-free, cost-effective and energy-efficient. Union Energy rents, installs and services more than 1 million gas and electric water heaters, throughout Ontario, under the Union Energy and Ontario Hydro Energy brands.