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About A-One Plumbing, Heating & AC
A-One Plumbing, Heating & AC holds a 5.0-star rating across eight verified reviews, positioning the company as a top-tier service provider in Los Angeles County and surrounding regions. The business maintains full licensing, insurance, and bonding coverage, delivering both residential and commercial plumbing, heating, and air conditioning solutions throughout Los Angeles County, the South Bay, and Orange County. With round-the-clock emergency availability, the contractor responds to urgent calls day or night, ensuring homeowners and businesses have access to immediate professional assistance when plumbing or HVAC systems fail.
This contractor differentiates itself through transparent flat-rate pricing, eliminating surprise costs before work begins. All service calls adhere to local plumbing codes, and the team does not cut corners or take shortcuts on any job. The company offers comprehensive solutions spanning emergency drain cleaning, leak detection using electronic locating equipment, sewer line repair including trenchless options, water heater installation and repair, and full HVAC system servicing for all makes and models. Camera video inspections and hydro jetting capabilities enable precise diagnosis and thorough cleaning of challenging drainage issues.
Reviewers consistently highlight specific technicians who delivered exceptional service. Robert, praised for repairing a broken sewer main line in Pacific Palisades, performed excellent work and maintained a clean job site with honest, fair pricing. Another reviewer detailed how John and his team addressed a complex leak beneath a home, carefully navigating plumbing circuitry dating to 1941 and going above and beyond to ensure lasting repairs. A third reviewer recommended Leo for his practice of explaining every aspect of the job before commencing work, providing transparency that builds homeowner confidence. These detailed accounts reflect the technical competence and customer-focused approach that earned the company its perfect rating.
What Customers Say
Eight reviewers awarded perfect five-star ratings, with three specifically naming technicians Robert, John, and Leo for their expertise. Customers repeatedly praised honest pricing, thorough cleanup, and explanations of work before starting, distinguishing this contractor from competitors.
Services
Emergency Plumbing
Round-the-clock urgent plumbing response for leaks, backups, and system failures, available 24/7 at no extra holiday charge.
Drain Cleaning & Hydro Jetting
High-pressure water jetting and electric snake services to clear stubborn clogs and maintain drainage systems.
Leak Detection & Electronic Locating
Advanced electronic detection and line locating to identify hidden leaks behind walls and under slabs.
Sewer Line Repair & Trenchless Solutions
Full sewer line repair including trenchless excavation and replacement, camera video inspections for diagnosis.
Water Heater Installation & Repair
Service for traditional and tankless water heaters, including new installations and component repairs.
Heating & Air Conditioning Repair
HVAC system maintenance and repair for all makes and models, keeping heating and cooling systems operational.
Repiping & New Plumbing Installations
Complete repiping services and new plumbing installation for residential, commercial, and industrial properties.