Certified Plumbers

HEP PlumbingCertified Plumbers

Certified Plumbers | Tankless Water Heater Install | Plumbing | Harrison

When you invite HEP’s certified plumbers into your Harrison home, you’re welcoming a crew that pairs hometown courtesy with cutting-edge skill. We arrive on time, protect your space like it’s our own, and walk you through every step of the tankless water heater install so you’ll know exactly what’s happening behind the scenes. No jargon, no mess—just crystal-clear communication and workmanship that stands up to Tennessee’s toughest water demands.

Swapping an old, bulky tank for a sleek, energy-smart unit means endless hot showers, lower utility bills, and extra closet space you never knew you had. Whether you’re building new or replacing a failing heater, our licensed techs size the system precisely, handle gas or electric hookups safely, and fine-tune settings for peak performance. Ready to enjoy hot water on demand? Call HEP today and discover why neighbors in Harrison trust us to do it just once—and do it right.

FAQs

Why should I consider a tankless water heater instead of a traditional tank for my Harrison home?

Tankless units heat water on demand, so they do not store 40-50 gallons that cool and reheat all day. That means up to 40 % lower energy use, endless hot water for back-to-back showers, and a wall-mounted design that frees floor space. With certified plumbers handling the installation, you also get a system sized to Harrison’s water-quality conditions and local code requirements, extending service life and qualifying you for utility rebates.

How long does a professional tankless water heater installation usually take?

Most residential retrofits in Harrison are completed in one day. Our crew first turns off water, gas, or electricity, removes the old tank, mounts the new unit, upgrades venting and fuel lines if required, and performs a full start-up test. Complex jobs—such as relocating the heater or upsizing a gas line—may add a few hours, but we will give you a precise timeline before work begins.

What size tankless unit do I need, and how is the correct size determined?

Sizing is based on peak hot-water demand measured in gallons per minute (GPM) and the temperature rise needed to reach 120 °F. We add up simultaneous fixtures (for example, two showers at 2.0 GPM each + a dishwasher at 1.5 GPM = 5.5 GPM). Harrison’s incoming water temperature averages about 50–55 °F, so we usually design for a 65–70 °F rise. A family of four often needs a 7–9 GPM natural-gas unit or a 24–27 kW electric model, but we confirm requirements during a free on-site assessment.

Will switching to a tankless water heater really save me money?

Yes. ENERGY STAR® gas tankless systems operate at 0.93+ Uniform Energy Factor, translating to $90–$150 in annual fuel savings compared with a standard tank. Electric models eliminate standby loss completely. Harrison residents may also claim Con Edison rebates up to $300 and, in many cases, a federal tax credit of 30 % of the project cost (capped at $600). Over a 15-year lifespan, total savings frequently exceed $1,500.

Do I need to upgrade my gas, venting, or electrical service?

Possibly. High-output gas units require a ¾-inch gas line and Category III or concentric PVC exhaust venting. Electric tankless heaters larger than 18 kW may need double-pole 60- to 120-amp breakers and #6–#4 AWG wiring. During our site visit we measure line capacity, check the panel, and include any necessary upgrades in the written estimate so there are no surprises on installation day.

What maintenance does a tankless water heater need, and do you provide it?

Annual maintenance is simple but vital: a 45-minute flush with food-grade vinegar to dissolve mineral scale, inspection of the burner or heating elements, and cleaning the inlet filter. In Harrison’s moderate-hard water, neglecting this service can reduce efficiency and void warranties. Our certified plumbers offer a low-cost maintenance plan that includes the flush, a multi-point safety check, and priority scheduling for any warranty repairs.

HEP Plumbing
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(423) 228-7696