Cornel's Plumbing. Heating & Air Conditioning is a family owned and operated Plumbing and HVAC company servicing East Portland, OR. We specialize in Furnace, Heating and AC Maintenance, Repair and Replacement, Sewer Repair, Sewer Liners CIPP, Trenchless Sewer Replacement, water heater replacement, repiping, water issues, and emergency plumbing ...