Trusted by 7651+ Customers

Tankless Water Heater Installation, Repair, and Replacement

Access to instantaneous hot water defines the comfort of a high-functioning South Carolina home. While traditional storage tanks keep 50 gallons of water hot 24 hours a day, a tankless system only activates when you turn on a tap. This shift from batch heating to on-demand flow eliminates the frustration of running out of hot water during back-to-back showers. Preferred Home Services specializes in the total lifecycle of these plumbing units, focusing on precision thermal exchange and maximum energy conservation.

Upgrade your home to a limitless supply of hot water by requesting a professional system consultation today.

Two Preferred Home Services technicians give thumbs up after completing a tankless water heater installation in a residential garage.

Strategic System Installation and Seamless Unit Replacement

Moving from a bulky tank to a wall-mounted on-demand system requires more than just a pipe connection; it requires a calculated understanding of your home’s peak Gallons Per Minute (GPM) demand. Our team handles the entire transition, ensuring your new heating unit is perfectly matched to your family’s actual water usage.

  • Lowering monthly utility overhead occurs when we install high-efficiency units that only consume gas or electricity during active use.
  • Maximizing indoor square footage is a major benefit of replacement, as these compact units free up significant space in closets or garages.
  • Modernizing fuel and venting logistics ensures that your gas lines and exhaust pipes meet current safety standards for high-output burners.
  • Doubling equipment lifespan occurs when we replace 10-year storage tanks with tankless technology designed to last up to 30 years.

Our master plumbers prioritize a clean and professional setup that treats your home’s utility room with the same respect as a finished living space.

Precision Mechanical Repair and Thermal Restoration

A lack of heat or a drop in water volume often indicates a specific mechanical issue within your tankless unit. We approach every repair with a focus on restoring the fire-to-flow ratio, ensuring the internal heating elements engage as needed.

  • Isolating ignition failures to the sensors and spark electrodes can prevent the unit from firing.
  • Neutralizing temperature fluctuations addresses the internal calcification that interferes with the heat exchanger’s performance.
  • Identifying unusual vibration or noise helps prevent mechanical wear from causing a total system lockout.
  • Sealing internal supply leaks protects the sensitive circuit boards and electrical components housed inside the unit.

Every repair visit includes a comprehensive evaluation of your unit’s internal filters and safety bypass valves to ensure reliable operation during your busiest times of the day.

Proactive Descaling and Long-Term Efficiency Maintenance

The primary enemy of an on-demand heater is the mineral content found in the local water supply. Over time, calcium builds up on the heat exchanger, creating a barrier that forces the unit to work harder and run hotter. Our annual maintenance protocols include a high-velocity flush to remove these deposits and preserve your manufacturer’s warranty.

By joining our Preferred Partner Plan, you secure a scheduled defense against efficiency loss. We do not just check the unit; we perform a forensic cleaning of the burner assembly and intake filters to help keep your utility bills as low as possible.

Schedule Service Today!

Why Go Preferred For Full Service Hot Water?

Choosing a team that handles installation, repair, and replacement under one roof provides the accountability you need for such a vital appliance. We have spent over three decades perfecting the science of on-demand heating in South Carolina, ensuring our customers receive expert advice and flat-rate value. When you choose Preferred Home Services, you are choosing a partner dedicated to technical excellence and your family’s daily comfort.

  • Custom GPM calculations overcome the limitations of a small unit by ensuring your heater can handle multiple fixtures simultaneously.
  • Same-day service availability means you never have to wait through a cold weekend for a professional repair or replacement.
  • Flexible payment options make it easier to invest in high-efficiency technology that pays for itself over time.
  • A 100 percent satisfaction guarantee backstops every task we perform, from a simple sensor cleaning to a full-scale system upgrade.

Investing in a specialized hot water team ensures your home maintains a steady and high efficiency thermal supply for decades.

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Traditional & Tankless Water Heaters

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Frequently Asked qUESTIONS

Expert Answers To Common Questions

TESTIMONIALS

Hear From Our Satisfied Customers

Randy Bowden
3 days ago
Joe was extremely knowledgeable and professional. Great job!!
Merriann Hart
4 days ago
The installation of a new hot water heater in a precarious location. Thomas was very personable, knowledgeable and efficient and I am a happy camper to have hot water again. Highly recommend!
Carissa Fugle
4 days ago
Preferred Home has the best customer service! Was able to get a technician sent out the next day. Adam was very knowledgeable and broke out the options for us in a way we could understand! He helped us decide what best suited our budget given the circumstances.
Meredith Handren
5 days ago
My experience with Preferred has been one of the best experiences I have had with a company. My plumbing story: I came home from work and saw a wet spot on my rug. Slight panic. Then I pulled back the rug and realized that water was coming up between my floor tiles. Now its time to panic. After speaking with FOUR different companies, Preferred stood out in so many ways. It started when I meet Maddy and she took a tour of my house. She made me feel comfortable, listened to my concerns, and was transparent with me during the entire process. She ended up giving SEVEN different options. She heard me when I said I was on a budget but was also thinking about my house long term. She identified that I had leaking pipes in my concrete slab. Panicking again! But she made me feel at ease. In addition to the replacement of the pipes, I needed to replace my garbage disposal and hot water tank. Maddy let me know about upcoming changes in regulations to water tanks and thankfully steered me towards one that would meet those requirements. She listened to me when I said I didn't want the cheapest garbage disposal and worked so hard to come up with affordable options for me. I knew before she walked out that Preferred was the company to go with. The very next day, Maddy and her team where ready to start working. Chris, Brian, and Porter showed up ready to work! Porter was a hero being outside in the heat digging until my pipes were found. Chris and Brian tore up my house in the best possible way to get the job almost complete in ONE DAY! And this was not because they were rushing. It's because they are all knowledgeable, hard workers, and professionals at their job. When the job was completed, the next day, Chris walked me through the whole house and Brian showed me what is quite possibly the coolest water heater I have ever seen. And Porter put my front yard back together when it was all done. For the price, the service is some of the best I have gotten. I love them so much, I signed up for their yearly maintenance plan which includes two AC check ups, and plumbing and electric checks yearly. I am glad that out of a bad situation I was able to find them. Thanks to Maddy, Chris, Brian, and Porter ** They also love teachers!
Angela Wilhite
5 days ago
Preferred Home Services has been great for us through replacing our water heater, furnace, AC, and doing various plumbing repairs. We love this company!
Jim Peterson
5 days ago
Chase did a great job!!
Mary McCallum
5 days ago
Justin V is awesome! Came out and cleaned up our drip pan and drain on this hot day! Thank you so much!
Ted Kirk
5 days ago
If all preferred people r like William u have a great comany
Steve Clark
5 days ago
Alec was very knowledgeable and explained all of our problems and repairs needed.
Michael Marino
5 days ago
EXCELLENT SERVICE , GREAT JOB!
Michael Marino
5 days ago
EXCELLENT SERVICE, GREAT JOB, TECH WAS OUTSTANDING, PREFERR ED HOME SERVICE S. IS THE BEST OF THE BEST !!!!! THANK YOU 👍
Ted Kirk
5 days ago
Great technician Turner did an excellent job arrived on time had the parts to complete the work.very efficient
Karen Hammond
5 days ago
Corey is a great technician. Personable and knowledgeable. He explains what is recommended and how the results will make a difference. We had growth remediation and a few other things addressed. We’ve been very pleased. Financing is available and easily done on a computer or smartphone.
Tiffany Anselmo
6 days ago
I appreciate that Ola was very thorough. I felt he was honest and trustworthy. I am grateful he took his time explaining things to me, even though it was after hours. I also appreciate Mike C for coming over in the evening to give me a design quote. I thank them for helping to keep things moving to solve my issues a quickly as possible
Chris Wyman
6 days ago
Preferred Home Services turned an HVAC disaster on James Island into a brand new system in less than 36 hours. I’d recommend them to anyone!
Kim Brown
6 days ago
Benjamin was very courteous and honest. She appreciate that he gave me options to deal with an HVAC problem.
Steve B
6 days ago
From sales to installation, the Perfeered team had outstanding customer service and communication. Highly recommend.
Sherri Alderman
6 days ago
Preferred Home Services responded to my call about my A/C not working within a couple hours, diagnosed the problem, had another employee come the same afternoon to give a quote on replacement (power surge blew out compressor) and scheduled replacement for 2 days later. They also went above and beyond in bringing in 2 window units to use in the meantime to try to keep cool (it’s June in SC). Two days later, they were back bright and early and worked all day installing a new system. All of the employees I encountered were very professional and helpful. I am very grateful for their prompt service, especially because I know they are very busy this time a year. And best of all, it is COOL again!

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