- HEP Plumbing
- High-efficiency Tankless Unit

High-efficiency Tankless Unit
High-efficiency Tankless Unit | Tankless Water Heater Install | Plumbing | Old Fort
Imagine waking up in Old Fort to a shower that never runs cold, all while trimming dollars off your utility bill. HEP’s high-efficiency tankless units are engineered to heat water on demand, so you only pay for the hot water you actually use. Sleek, wall-mounted designs free up valuable space, and advanced modulation technology keeps temperatures steady—no more scalding spikes or icy surprises. With premium components and a proven lifespan that outlasts bulky tanks, these systems are the ultimate upgrade for comfort-hungry, energy-savvy homeowners.
Our licensed, local technicians make a tankless water heater install feel effortless. From a free in-home assessment to final code-compliant hookup, we handle everything—including new venting, gas line sizing, and old-tank haul-away—often in a single visit. Plus, you’ll enjoy industry-leading warranties and 24/7 emergency support backed by HEP’s decades of trusted service in Western North Carolina. Ready for endless hot water that pays you back? Schedule today and experience why your neighbors swear by HEP’s tankless expertise.
FAQs
What makes a high-efficiency tankless water heater a good choice for homes in Old Fort?
Tankless units heat water only when you open a tap, eliminating standby energy loss common with storage tanks. Models we install in Old Fort carry efficiency ratings up to 0.97 UEF, which can trim 25–40 % off annual water-heating costs. They also take up far less space, last 20+ years with proper maintenance, and provide an endless supply of hot water—ideal for households that run multiple fixtures at once.
How do I know if my home is compatible with a tankless water heater installation?
During a free on-site assessment, our licensed plumbers inspect your gas line size or electrical service, venting path, water hardness, and fixture demand. Most Old Fort homes can be retrofitted, but some need gas line upsizing (¾″) or a 200-amp electrical panel for whole-home electric units. We’ll give you a written estimate outlining any upgrades before work begins.
What is the typical installation timeline and process?
A straightforward replacement usually takes one working day: 1. Safely disconnect and remove the old tank. 2. Install mounting bracket and seismic anchors. 3. Upgrade gas line or run dedicated 240-V circuit if required. 4. Add stainless-steel venting through an exterior wall or roof. 5. Connect water, gas/electric, and condensate drain lines. 6. Commission the unit, set temperature, and perform a combustion or electrical test. More complex installs with line upgrades may stretch to two days.
How much does a high-efficiency tankless installation cost in the Old Fort area?
Prices vary with capacity, fuel type, and any needed utility upgrades. On average, homeowners invest $3,200–$4,800 installed for a premium gas condensing model (including basic vent and permit). Electric units start around $2,600. If you need larger gas piping or a panel upgrade, add $400–$1,000. We handle all permitting with McDowell County and provide transparent, fixed-price quotes.
What maintenance is required to keep my tankless water heater running efficiently?
Every 12 months, we recommend a professional service that includes descaling the heat exchanger with food-grade vinegar, cleaning the inlet filter, checking the condensate trap, and verifying combustion settings. In Old Fort’s moderate-hard water (6–8 grains/gal), annual descaling prevents mineral buildup and preserves your manufacturer warranty. Homeowners can also clean the air filter and check for error codes quarterly.
What warranties and post-installation support do you provide?
Most high-efficiency units come with a 15-year heat-exchanger warranty, 5-year parts, and 1-year labor from the manufacturer. We extend that labor coverage to 5 years at no extra cost for customers in Old Fort. You’ll receive a registration certificate, maintenance log, and 24/7 local support line. In the rare event of a malfunction, our certified technicians stock common parts to get you back up and running the same day.