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Claim This BusinessAbacus Plumbing, Air Conditioning & Electrical has served Austin homeowners since 2003, building over two decades of trust across central Texas. The company holds proper licensing and carries full insurance coverage, with a 4.7-star rating compiled across 132 customer reviews. Their technicians respond 24 hours a day, seven days a week, from Sunday through Saturday, covering neighborhoods including Travis Heights, Bouldin Creek, Zilker, Barton Hills, and West Lake Hills. This multi-trade operation handles plumbing, heating, cooling, and electrical work from a South Lamar location, serving both residential and light commercial clients throughout south and downtown Austin.
What distinguishes Abacus from single-trade contractors is their ability to dispatch one technician for multiple system failures. Their drain specialists employ video inspection technology to pinpoint blockages and use hydro-jetting equipment to clear roots and buildup permanently. For air conditioning, they service all major brands and provide honest assessments about whether repair or replacement makes better financial sense. The company offers same-day scheduling and guarantees all workmanship, problem-solving that reviewers specifically mention, contrasting with contractors who upsell unnecessary parts or vanish after installation. Their 24/7 emergency line connects directly to dispatch without navigating an automated menu.
Reviewers describe specific technicians arriving at homes where other contractors gave up. One Travis Heights family called after tree roots backed up their main sewer line, with houseguests arriving in two hours, the team cleared the blockage, performed video inspection, and cleaned the bathroom before guests walked in. A Zilker homeowner during a 105-degree heat wave waited eight hours for another company before calling Abacus; a technician diagnosed a failed capacitor and restored cooling within an hour. Emergency calls to mid-night backup in Bouldin Creek and dawn emergencies in Westlake Hills illustrate their around-the-clock commitment to solving problems that cannot wait.
The 4.7-star rating from 132 reviews indicates consistent quality across thousands of service calls. The business emphasizes transparent pricing and honest assessments, avoiding upsells whether recommending repairs or replacements.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Burst pipe repairs, leak detection, drain cleaning, water heater service, main line clearing, and complete repiping projects.
Video camera inspection to locate blockages, hydro-jetting to clear roots and buildup, slow drains and complete sewer line repair.
AC repair service covering all major brands, capacitor replacement, refrigerant recharge, diagnostics for units that will not start.
Complete AC system installation including proper sizing, ductwork evaluation, permit handling, and efficiency upgrades.
Furnace repair, heating system maintenance, full HVAC system design, residential and commercial heating and cooling solutions.
Electrical problem diagnosis, panel upgrades, wiring repairs, and contractor-licensed electrical work.
Water purification and water softening equipment installation for residential water treatment.
24-hour emergency repair available daily, burst pipes, slab leaks, flooding, backup, and midnight emergency calls.