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41 Years
experience
Emergency
services
Trusted Plumbing & HVAC Services in Orange County, CA
Harrison Plumbing has been serving Orange County for over 35 years, delivering expert plumbing, heating, and HVAC services. Our team of highly trained technicians is committed to providing fast, reliable solutions for residential and commercial clients. We prioritize customer satisfaction through transparent communication, competitive pricing, and a 100% satisfaction guarantee. With 24/7 emergency availability and a fully equipped fleet, we address urgent needs promptly. Our certifications with leading manufacturers and affiliations with local chambers of commerce underscore our dedication to quality.

We specialize in tankless water heaters, drain cleaning, leak detection, and HVAC maintenance. Our owner, Scott Harrison, brings decades of industry experience and community involvement to every project. We treat every job as if it were in our own home, ensuring meticulous workmanship and respect for your property. Our one-year warranty on parts and flat-rate pricing model eliminate hidden costs. For over three decades, we have built a reputation as a trusted, locally owned service provider.
Services
Plumbing Drain Cleaning Tankless Water Heaters AC Repair Heater Maintenance
Details
  • Year established: 1985
Highlights and features
  • We offer 35+ years of experience in plumbing and HVAC services.
  • Our team is available 24/7 for emergency repairs.
  • We are licensed, bonded, and insured for your protection.
  • Our technicians are certified by leading industry manufacturers.
  • We guarantee 100% customer satisfaction with every service.
What people say
Awesome job Very knowledgeable Professional suggestions Great service Excellent workmanship
Services
Plumbing
Our comprehensive plumbing services address everything from routine repairs to complex installations. We handle leak detection, drain cleaning, and fixture replacements with precision. Our technicians use advanced tools like video camera inspections to diagnose issues accurately, ensuring long-lasting solutions for residential and commercial properties.
Tankless Water Heaters
Specializing in tankless water heater installation and repair, we offer energy-efficient solutions that provide endless hot water. Our certified technicians work with leading brands like Noritz and Rinnai to ensure reliable performance. Upgrading to tankless reduces energy costs and eliminates the risk of leaks associated with traditional tanks.
AC Repair
Our HVAC experts provide fast, dependable AC repair and maintenance for homes and businesses. We service all types of cooling systems, including central and ductless units. Regular maintenance extends system lifespan and improves efficiency, while emergency repairs restore comfort during peak summer heat.
Drain Cleaning
We use advanced drain cleaning techniques to resolve clogs and prevent future blockages. Our methods include hydro-jetting and augers to remove debris buildup in residential and commercial plumbing systems. Regular cleaning maintains optimal flow and prevents costly backups in kitchens, bathrooms, and sewer lines.
Heater Maintenance
Our heater maintenance services ensure efficient operation during cold seasons. Technicians inspect, clean, and tune-up gas and electric heating systems to optimize performance. Preventive maintenance reduces breakdowns, lowers energy bills, and extends equipment lifespan for residential and commercial clients.
People
Scott Harrison
Owner
Scott Harrison has over 30 years of plumbing and HVAC experience, founding his company in 1985. He serves as President of the PHCC Association and is certified in multiple plumbing and HVAC specialties. Active in local chambers of commerce, Scott prioritizes community engagement and technical excellence.
Questions
What services do you offer?
We provide plumbing, HVAC repairs, tankless water heater installations, drain cleaning, and emergency services for residential and commercial clients.
Are you available for emergencies?
Yes, we offer 24/7 emergency services with no extra charges for after-hours calls.
Do you service areas outside Orange County?
We primarily serve Orange County but also work in Long Beach, Garden Grove, and surrounding regions.
What certifications do your technicians hold?
Our team is certified by Moen, Noritz, Rinnai, and other leading manufacturers for specialized plumbing and HVAC work.
Do you offer warranties on your work?
Yes, we provide a one-year warranty on all parts we install and guarantee our workmanship.
How can I schedule an appointment?
Call us at 714-400-2725 or contact us online for same-day or scheduled service options.