Abacus Plumbing, Air Conditioning & Electrical is a well-established, privately held company based in Houston, Texas, serving both residential and commercial clients since 2003. Founded by master plumber Alan O’Neill, Abacus has built a strong reputation for top-notch service, honesty, and high-quality workmanship. They provide a comprehensive range of plumbing, HVAC, and electrical services, including sewer and drain cleaning, plumbing repairs and inspections, hydro jetting, garbage disposal installation and maintenance, water heater repair and installation (including tankless and electric/gas heaters), gas line services, re-piping, air conditioning installation and repair, indoor air quality solutions, and electrical troubleshooting, panel upgrades, and generator installations. Abacus prides itself on using sophisticated equipment and maintaining highly trained, licensed technicians who undergo rigorous background checks. The company offers 24/7 emergency service and a 100% satisfaction guarantee with some of the best warranties in the industry, including a lifetime warranty on select Lennox HVAC systems. They also run a VIP membership program that covers all major home systems for ongoing maintenance and peace of mind. Abacus is recognized as a multi-year Angie’s List Super Service Award winner and holds an A+ accreditation from the Houston Better Business Bureau, emphasizing their commitment to reliable, professional, and customer-focused service in the Houston area.
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