Hot water is easy to take for granted until a shower turns cold, a tank begins leaking or a water heater can no longer keep up with the household. When replacement becomes necessary, Ontario homeowners often face a central choice: install another storage tank or move to a tankless water heater.Neither option is automatically best for every home. A traditional tank water heater can offer a lower upfront cost and familiar performance. A properly sized tankless system can save space, reduce stan...