Prime Air & Water is a family-owned and operated HVAC and water upgrade company with many years of experience serving the needs of homeowners in Ontario. Homeowners in London Ontario are always looking for ways to improve their home. HVAC and water upgrades can be costly, but luckily there are contractors that specialize in this type of project. Prime Air & Water is a family-owned and operated HVAC and water upgrade company with many years of experience serving the needs of homeowners in Ontario. Through our experienced technicians, top quality materials, and industry leading customer service we have served thousands of customers throughout Ontario who all had one thing in common - they wanted to improve their home!