Hot water when you need it. Clean, safe water at every tap. Quiet, steady heat all winter long. With Interwest Plumbing & Heating , your home just works—no stress, no false starts. From the moment you call to the final check on the job , everything is handled with care, precision, and follow-through. A division of a limited company, Interwest Plumbing & Heating is run by Dennis and Hunter—a team with deep roots in the trades and a clear mission: to offer the kind of service they’d want for their own homes.