On Point Plumbing, Electrical, Heating & Air is a family-owned, licensed, insured, and bonded contractor serving San Antonio and Bexar County. Our plumbers handle drain cleaning, water heater installation, repiping, sewer repair, and gas lines. Licensed electricians perform panel upgrades, ceiling fans, rewiring, and commercial electrical work. Certified HVAC technicians provide A/C repair, A/C replacement, heating repair, and furnace installation. As an authorized Generac dealer, we install whole-home backup generators. Serving Stone Oak, Alamo Ranch, Helotes, Alamo Heights, and all San Antonio neighborhoods with same-day service, upfront pricing, and financing.