Plumbing Expertise
Plumbing Expertise | Tankless Water Heater Install | Plumbing | Charleston
Enjoy endless hot water and lower utility bills when you call on HEP’s master plumbers for a tankless water heater install in Charleston. Our licensed team brings decades of experience to every crawlspace, condo, and historic home, mapping customized solutions that fit Charleston’s unique plumbing layouts and water conditions. We’ll remove your bulky old tank, upgrade gas or electric lines if needed, and mount a sleek, high-efficiency unit that fires up hot water the instant you turn the tap—no more waiting, no more running out.
From the first on-site visit to the final temperature check, we handle permits, code compliance, and 24/7 support, so you can enjoy reliable comfort with zero hassle. Customers rave about the dramatic energy savings, extra storage space, and peace of mind our installations deliver. Ready to future-proof your home? Schedule your free estimate today and discover why Charleston homeowners trust HEP to keep the Lowcountry flowing smoothly.
FAQs
What are the main benefits of switching to a tankless water heater in Charleston?
Tankless (on-demand) water heaters heat water only when you open a tap, eliminating standby heat loss from a storage tank. For Charleston homeowners this translates to 25–40 % lower energy use, endless hot-water supply for large families, space savings because the unit mounts on a wall, and an average life expectancy of 20+ years—about double that of a conventional tank.
How do I know if my Charleston home is a good candidate for a tankless unit?
Most single-family homes, townhomes, and even condos can accommodate a tankless system as long as there is adequate gas or electric service, proper venting routes, and access for maintenance. We perform a free on-site assessment that looks at your incoming water temperature (typically 65-70 °F in the Lowcountry), peak flow demand (showers, laundry, dishwasher running together), and existing gas line or electrical panel capacity to size the right unit.
What is the typical installation process and how long does it take?
A straightforward replacement of a gas tank water heater with a gas tankless model usually takes one day. The steps include securing the City of Charleston plumbing/mechanical permit, upgrading gas line diameter if needed, mounting the heater, installing stainless-steel venting, adding a condensate drain, and testing for leaks and proper combustion. Electric models may require panel upgrades and can run 1–2 days.
How much can I expect to save on energy bills compared to a traditional storage tank?
Charleston customers moving from a standard natural-gas 50-gal tank to a high-efficiency condensing tankless unit typically save $80–$150 per year on gas, while electric-to-electric swaps average 15–25 % savings depending on usage. Because the system only fires when water is needed, households with lower daily hot-water demand realize the highest percentage savings.
What maintenance is required to keep a tankless unit running efficiently in the Lowcountry’s mineral-rich water?
All major manufacturers recommend an annual flush with a mild vinegar solution to remove scale from the heat exchanger. We offer a low-cost service plan that includes descaling, cleaning the inlet filter, verifying combustion settings, and updating firmware. Homes with very hard water benefit from a whole-house filtration or softening system to maximize the unit’s 20-year life span.
Are there rebates or tax incentives available in South Carolina for tankless water heaters?
Yes. Dominion Energy currently offers up to a $200 rebate for qualifying ENERGY STAR® natural-gas tankless units, and Santee Cooper provides $300 for high-efficiency electric models. Additionally, South Carolina’s Energy Efficient Manufactured Home Program allows a 25 % state tax credit (capped at $350) on equipment and installation costs. We complete all rebate paperwork and provide the certificates you need at tax time.