Energy-efficient Gas
Energy-efficient Gas | Tank Water Heater | Plumbing
From frosty winter mornings to back-to-back evening showers, HEP keeps East Tennessee homes effortlessly comfortable with expertly engineered gas plumbing solutions. Our technicians pair precision craftsmanship with high-efficiency equipment, so your tank water heater delivers steamy, consistent hot water while trimming monthly utility costs. Thanks to smart insulation, rapid recovery rates, and sealed-combustion safety features, you’ll enjoy reliable performance without sacrificing environmental responsibility.
When you choose HEP, you get more than an install—you gain a partner committed to long-term savings and peace of mind. We size each system to your household’s exact demands, secure every connection for leak-free operation, and back it all with 24/7 support. Experience quieter operation, lower energy bills, and hot water that never quits—schedule your upgrade today and feel the HEP difference with every turn of the tap.
FAQs
What features make a gas tank water heater energy-efficient?
High-efficiency gas tank models use better insulation, condensing technology, electronic ignition instead of a standing pilot, and advanced flue dampers that reduce standby heat loss. Condensing units capture extra heat from exhaust gases, which would otherwise escape through the vent, and transfer it back to the water, achieving Uniform Energy Factors (UEF) of 0.70–0.90 compared with 0.55–0.60 for standard heaters.
How much can I save by switching from a standard to a high-efficiency gas tank water heater?
Savings vary with local fuel rates and hot-water demand, but homeowners typically cut water-heating energy use by 15–30 %. For an average family of four using 60–70 gallons of hot water daily, this translates to about $50–$150 per year in lower gas bills. Over a 10- to 12-year service life, the cumulative savings can offset the higher purchase price and installation costs.
What size energy-efficient gas tank water heater do I need?
Sizing is based on first-hour rating (FHR), which indicates how much hot water the heater can deliver in the first hour of use. Add up simultaneous peak demands—showers, dishwasher, laundry—and select a model with an FHR that meets or slightly exceeds that total. For example, a household with two back-to-back showers (40 gal) and a dishwasher cycle (6 gal) during the morning peak would need an FHR of roughly 50 gallons. Most families of 3–4 people choose 40- or 50-gallon high-efficiency tanks.
What maintenance is required to keep an energy-efficient gas tank water heater operating at peak performance?
1) Flush a few gallons from the tank every 6–12 months to remove sediment that insulates the burner and lowers efficiency. 2) Inspect and replace the anode rod every 2–3 years to prevent corrosion. 3) Check the condensate drain (for condensing models) to ensure it flows freely and the neutralizer media is intact. 4) Verify that the air intake and exhaust vents are unobstructed. 5) Have a licensed plumber perform an annual combustion-efficiency and safety check, including gas pressure, venting, and CO readings.
Can my existing gas plumbing and venting be used for a high-efficiency tank water heater?
Often yes, but some upgrades may be necessary. High-efficiency non-condensing units can usually reuse 3- or 4-inch B-vent. Condensing models produce cooler exhaust that allows PVC or polypropylene venting but must be routed to the outside and sloped for condensate drainage. Gas supply lines may need upsizing if the new heater has a higher input (BTU) rating. A professional assessment ensures the gas line, regulator, and venting meet manufacturer and local code requirements.
Are rebates or incentives available for installing an energy-efficient gas tank water heater?
Many utility companies, state energy offices, and federal programs offer incentives. In the U.S., ENERGY STAR–certified gas water heaters may qualify for a federal tax credit of up to 30 % of project cost (capped at $600). Local gas utilities sometimes provide $50–$300 rebates for units with a UEF above specified thresholds. Additionally, low-interest energy-efficiency loans or on-bill financing may be available. Check DSIREusa.org or your utility’s website for current offers before purchasing.