- HEP
- Tankless Water Heater
Tankless Water Heater
Tankless Water Heater | Tankless Water Heater Install | Plumbing | Maynardville
Enjoy endless hot water, lower utility bills, and extra storage space when HEP’s certified plumbers handle your tankless water heater install in Maynardville. From assessing your home’s demand to selecting high-efficiency units and completing precise gas, electric, and vent hookups, we make the switch simple and stress-free—often in a single day. You’ll feel the difference the first time you shower, wash dishes, or fill the tub without the worry of running out of hot water.
Because we’re local, our crews arrive promptly, pull the proper permits, and back every project with rock-solid warranties and 24/7 emergency support. Whether you’re replacing a bulky old tank or upgrading new construction, trust HEP to deliver a flawless tankless water heater install that boosts comfort, cuts costs, and keeps Maynardville homes running hot and smooth all year long.
FAQs
What are the main advantages of switching to a tankless water heater in Maynardville?
Tankless units heat water on demand, eliminating the standby heat loss that occurs with storage tanks. This translates to energy savings of 20–40 %, unlimited hot water for back-to-back showers, a compact wall-hung design that frees up floor space, and a service life that typically exceeds 20 years—about double that of a traditional tank. In Maynardville’s humid climate, the sealed-combustion design of most modern tankless heaters also reduces the risk of corrosion and helps maintain indoor air quality.
How long does a typical tankless water heater installation take?
In most Maynardville homes, a straightforward replacement of a gas or electric tank water heater with a new tankless model can be completed in one day—about 6–8 hours. This timeline covers removal of the old unit, mounting the new heater, rerouting water lines, connecting venting and condensate drains (for gas models), and performing a start-up test. If upgrades to gas supply piping, electrical circuits, or vent penetrations are needed, the job can extend to a second day. We provide a detailed timeline after the on-site assessment so you know exactly what to expect.
Will my home’s existing gas or electrical service support a tankless unit?
It depends on the model you choose. High-output gas tankless heaters usually require a ¾-inch gas line capable of delivering 150–200 k Btu/h. Many older homes in Maynardville have ½-inch lines that must be upsized. Electric tankless units demand 120–150 A of dedicated 240-V power—often more than the capacity of a 100- or 150-amp service panel. During our free estimate we measure your current gas pressure and electrical load, then recommend either necessary upgrades or a unit that matches your existing utilities.
How do I choose the right size (flow rate) tankless water heater?
Sizing is based on simultaneous demand and incoming water temperature. We calculate the total gallons per minute (GPM) you’ll need when, for example, a shower (2 GPM) and washing machine (2.5 GPM) run together. In Maynardville, winter groundwater enters around 50 °F, so a 70 °F temperature rise is required to reach a 120 °F setpoint. A family of four typically needs a 7–9 GPM gas unit. Electric models have lower output and may need to be installed in parallel. Our technician will perform a load calculation and present sizing options tailored to your household’s peak usage.
What does a tankless installation cost, and are there incentives available in Maynardville?
Installed prices in the Maynardville area start around $2,800 for a basic electric unit and $3,500–$4,500 for a mid-efficiency gas model, including venting and labor. High-efficiency condensing units run $4,800–$5,800 but can qualify for a 30 % Federal Tax Credit (up to $600) under the Inflation Reduction Act. Tennessee Valley Authority (TVA) also offers occasional rebates for ENERGY STAR® gas models—typically $200–$300. We handle all paperwork so you receive every available incentive and provide upfront, line-item pricing so there are no surprises.
What maintenance does a tankless water heater require after installation?
To keep your new unit running efficiently for its full 20-plus-year life, schedule an annual service. We flush the heat exchanger with a food-grade descaling solution to remove mineral buildup common in Maynardville’s moderately hard water, inspect the combustion chamber, clean the air intake filter, and run diagnostic checks. Homeowners can help by wiping the air screen monthly and ensuring the condensate drain remains clear. Regular maintenance preserves efficiency, protects your warranty, and helps prevent unexpected downtime.