High-efficiency Unit

HEP PlumbingHigh-efficiency Unit

High-efficiency Unit | Tankless Water Heater Install | Plumbing | Calhoun

Imagine stepping into the shower and never worrying about running out of hot water again. HEP’s certified plumbers in Calhoun specialize in tankless water heater install services that swap bulky, outdated tanks for compact, high-efficiency units delivering endless hot water on demand. By heating only what you use, these systems can cut energy costs by up to 40%, free up storage space, and dramatically extend equipment life—all while reducing your household’s carbon footprint.

From the moment you call, we handle everything: sizing the right model for your family, upgrading gas or electrical lines if needed, and calibrating your new heater for peak performance. Our team arrives on time, protects your home during the job, and backs every installation with industry-leading warranties and 24/7 support. Ready to enjoy cleaner, faster, more efficient hot water? Schedule your tankless water heater install with HEP today and feel the difference the very first time you turn on the tap.

FAQs

What advantages does a high-efficiency tankless water heater provide for Calhoun homeowners?

A tankless (on-demand) unit heats water only when you open a hot-water tap, eliminating standby heat loss from a storage tank. In Calhoun’s mild climate, ENERGY STAR® models can cut water-heating energy use by 25-40 %, lowering monthly utility bills. They also take up far less space, deliver endless hot water when sized correctly, and are eligible for Georgia state and federal tax credits plus local utility rebates, helping to offset installation cost.

How does a tankless system save energy compared with my current tank-style heater?

Traditional tanks keep 40–50 gallons of water hot 24/7, cycling the burner or elements even when no one is using hot water. A tankless heater’s flow sensor ignites the burner (or energizes the heating elements) only when water flows through the unit. Because there is no storage tank and no continuous reheating, efficiency ratings are 0.82–0.99 UEF versus 0.55–0.65 for most tanks, translating to significant energy savings over the unit’s 20+-year life.

Will my existing gas or electrical service in Calhoun support a tankless water heater?

Most gas-fired tankless models require a ¾-in. gas line and 120 V electrical outlet for the control board, while electric models demand 100–150 A of dedicated 240 V capacity. During our free in-home estimate, we measure gas pressure, line size, and panel capacity. If upgrades are needed—such as upsizing the gas meter with Calhoun Utilities or adding breakers—we handle permitting, coordinate with the utility, and present clear upfront pricing before work begins.

How do I determine the correct tankless size (GPM) for my household?

Sizing is based on simultaneous demand (gallons per minute) and the temperature rise needed in Calhoun. We add the flow rates of fixtures you might use at once (e.g., shower 2.0 GPM + kitchen sink 1.5 GPM = 3.5 GPM). Groundwater here averages 60 °F; for a 120 °F set-point you need a 60 °F rise. Using manufacturer charts, we match a unit that can deliver 3.5 GPM at a 60 °F rise—typically a 160–180 k BTU gas or an 18 kW electric model. Our technician performs this calculation during your consultation to guarantee endless hot water without overspending on capacity.

What does the installation process involve and how long does it take?

Most residential installations are completed in one day. We begin by shutting off utilities, draining and removing the old tank, then mounting the compact tankless unit on a wall (often in the same utility closet). We run new venting (stainless or PVC) through an exterior wall or roof, size and connect gas/electrical and water lines, install an isolation valve kit for future maintenance, and test for leaks. Finally, we register the warranty and walk you through operation. All work is code-compliant and includes Calhoun city permit and final inspection.

What upkeep does a high-efficiency tankless water heater require and how long will it last?

With proper maintenance, tankless units last 20–25 years—nearly double a storage tank. In Calhoun’s moderately hard water (6–8 grains), we recommend a yearly service: flushing the heat exchanger with a mild vinegar solution, cleaning the inlet filter, and checking venting and gas pressure. Homeowners can perform simple filter rinses themselves, but our affordable service plans keep the warranty valid and ensure maximum efficiency.

HEP Plumbing
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(423) 228-7696