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45 Years
experience
Emergency
services
Your Trusted Orange County Plumbing & HVAC Experts
Dial One Sonshine has been a trusted provider of plumbing, heating, and air conditioning services in Orange County since 1981. As a family-owned business, we prioritize customer satisfaction through prompt, reliable service and transparent pricing. Our licensed technicians specialize in emergency repairs, system installations, and preventative maintenance for residential and commercial properties. With over four decades of experience, we combine industry expertise with cutting-edge technology to address complex plumbing and HVAC challenges.

Our commitment to community values and quality craftsmanship has earned us a reputation as a leader in Orange County's home services sector. We offer 24/7 emergency support, upfront flat-rate pricing, and comprehensive solutions tailored to each client's unique needs. From drain cleaning to furnace replacements, our team delivers results that meet the highest standards of excellence.
Services
Plumbing Repairs HVAC Maintenance Emergency Services Water Heater Installation Drain Cleaning Furnace Repair AC Replacement Gas Line Repair Sewer Repair Duct Cleaning
Details
  • Year established: 1981
Highlights and features
  • Family-owned with 40+ years of Orange County experience
  • 24/7 emergency services available for urgent needs
  • Upfront flat-rate pricing with no hidden fees
  • Licensed technicians trained in latest HVAC technologies
  • 100% satisfaction guarantee on all work performed
Associations and certifications
  • Contractors License: 1085205
What people say
Professional technicians Prompt emergency response Clear explanations Thorough work Reliable solutions
Services
Plumbing Repairs
Our licensed plumbers handle all residential and commercial plumbing needs including leak detection, pipe repair, and fixture installation. We use advanced diagnostic tools to identify issues quickly and provide lasting solutions. Customers praise our technicians' expertise in resolving complex problems like slab leaks and sewer line issues while maintaining clean workspaces.
HVAC Maintenance
Preventative HVAC maintenance ensures optimal system performance year-round. Our technicians perform comprehensive inspections, clean components, and calibrate systems to manufacturer specifications. Regular maintenance extends equipment lifespan and improves energy efficiency, helping customers avoid costly emergency repairs during extreme weather conditions.
Emergency Services
We offer round-the-clock emergency response for urgent plumbing and HVAC failures. Our rapid deployment team arrives equipped with essential parts and tools to address critical issues like burst pipes, furnace failures, and AC breakdowns. Customers consistently highlight our prompt response times and effective solutions during after-hours emergencies.
Water Heater Installation
We install energy-efficient water heating systems including traditional tank models and tankless options. Our technicians assess home requirements to recommend appropriate capacity and fuel type. Installation includes proper venting, pressure testing, and system optimization. Customers appreciate our clear explanations of warranty terms and maintenance requirements.
Drain Cleaning
Our hydro-jetting and mechanical cleaning services remove stubborn clogs and buildup from drain lines. We use camera inspections to diagnose blockages and determine the most effective cleaning method. Commercial customers benefit from scheduled maintenance plans that prevent costly downtime. Technicians explain root causes to help prevent future issues.
People
Dave Marquez
Founder
Established the company in 1981 with a commitment to quality service. Built the business from a garage operation to a leading local provider through customer-focused values and technical excellence.
Marianne Marquez
Co-Founder
Helped shape the company's community-oriented approach. Instrumental in developing customer service protocols that emphasize transparency and reliability across all service operations.
Questions
What plumbing and HVAC services do you offer?
We provide full-service plumbing, heating, and air conditioning solutions including emergency repairs, installations, and preventative maintenance for residential and commercial properties.
Are you available for emergency service?
Yes, our 24/7 emergency team responds to urgent plumbing and HVAC issues throughout Orange County with fully equipped service vehicles.
Do you offer financing options?
We provide financing options and special offers on major system replacements to help customers manage necessary home comfort improvements.
What areas do you service?
We serve all Orange County communities including Santa Ana, Anaheim, Huntington Beach, and surrounding areas with select service in adjacent counties.
How quickly can you respond to service requests?
Most emergency calls receive same-day response. Scheduled maintenance and non-urgent repairs typically accommodated within 24-48 hours.
What makes your technicians qualified?
Our technicians undergo continuous training on the latest HVAC technologies and hold required state licensing with regular skills certification updates.
Videos
Reviews (3)
John S.
Oct 07, 2025 Report
After having our old asbestos ducts removed, Arun visited and evaluated the reason our old system was not circulating enough air to the farthest room in the house. Following the installation, the airflow has significantly improved. The other contractors I obtained quotes from did not mention this issue, which is why I chose Arun and I am extremely happy and satisfied with the work done. The work was completed quickly and efficiently, and the team was very accommodating of our scheduling conflict with the abatement team, who required us to reschedule twice to a later date. I would give them more than 10 out of 5 stars if possible.
Daniel Kennedy
Oct 04, 2025 Report
My A/C just wouldn't cool. Stayed on 24/7. Duncan came out. Very professional and customer friendly. He did a great job. Checked unit and ducting for leaks and had to refill unit a little. Had the right equipment to check efficiency. Was respectful of property with gloves and booties in the house. Reasonable charge for all the work done. I signed up for them to come out multiple times a year for maintenance. Being a veteran I like that they respect veterans. Would highly recommend this company
Dana W.
Jun 16, 2025 Report
Had a major plumbing back up caused by tree roots that has been recurring. I was able to schedule an appointment right away that worked into my schedule and was given a courtesy call when the truck was on the way. When he arrived Grant was able to diagnose and then clear the immediate problem. Because this had been a recurring problem Grant recommended that rather than continually calling someone out to hydro jet roots every time there's a problem (which isn't cheap and always happens in the most inopportune times), a sleeve could be shot through the pipe to prevent the roots from getting in again.

We agreed to have the sleeve installed which was to take place on Friday with the possibility of completion on Monday morning. The crew were friendly and efficient and wrapped everything up for me by Friday ahead of schedule (in one day!)

The newly poured concrete looks really good. You'd never know concrete was busted through in my driveway. And my outside area was left looking even nicer with everything sprayed down and cleaned up. I'm relieved and reassured that I won't be facing this ongoing plumbing issue thanks to Dial One Sonshine. Phew!

Fast. Efficient. Respectful. Friendly. And Neat.