– From hooking up stove gas lines to backflow testing and inspections for commercial businesses, you can rely on you can rely on the experienced professionals at Orange County Plumbing, Heating & Air Conditioning to handle all your plumbing-related needs. We offer plumbing fixtures, new installations, replacements, and repairs and more. Our commitment to quality, efficiency, and customer satisfaction ensures only the best results. Call us at 714-754-1774 for more details.