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How to Maintain Your Water Heater for Maximum Efficiency

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A properly maintained water heater ensures consistent hot water, lower energy bills, and a longer system lifespan. Neglecting maintenance can lead to inefficient performance, costly repairs, or even early replacement. At Nuckols Plumbing, Heating & Cooling, we provide homeowners with practical tips to keep their water heaters running efficiently year-round.


1. Check and Adjust the Temperature

Most water heaters are set at 140°F by default, but lowering it to 120°F is often sufficient for household use. This not only reduces energy consumption but also minimizes the risk of scalding.

Tip: Periodically check the thermostat and adjust as needed to maintain a balance between comfort and efficiency.


2. Inspect for Leaks

Water pooling around your heater or dripping from valves can signal a leak. Even minor leaks waste water and can cause damage to surrounding areas if left untreated.

Tip: Inspect your water heater regularly for visible signs of corrosion, rust, or water accumulation, and address any issues promptly.


3. Flush the Tank Annually

Sediment buildup at the bottom of a traditional water heater reduces efficiency and can cause damage over time. Flushing the tank annually removes debris and keeps the system running smoothly.

How to Flush:

  1. Turn off the power or gas supply.

  2. Attach a hose to the drain valve.

  3. Drain the tank until the water runs clear.

  4. Refill the tank and restore power or gas.

For tankless water heaters, follow the manufacturer’s guidelines for descaling and maintenance.


4. Inspect the Anode Rod

The anode rod prevents corrosion inside the tank. Over time, it deteriorates and requires replacement. A failing rod can shorten the life of your water heater.

Tip: Check the anode rod every 2–3 years and replace it if it’s heavily corroded to protect your tank from rust.


5. Insulate the Water Heater and Pipes

Insulating the tank and hot water pipes reduces heat loss, which saves energy and keeps water hotter for longer. This is especially useful for water heaters located in unheated spaces, such as garages or basements.

Tip: Use a water heater blanket and pipe insulation rated for high temperatures for maximum efficiency.


6. Schedule Professional Maintenance

While homeowners can handle basic upkeep, professional maintenance ensures all components of your water heater are functioning optimally. Nuckols Plumbing, Heating & Cooling provides inspections, cleaning, and repairs to prevent costly breakdowns.

Regular professional maintenance also identifies potential issues before they become emergencies, saving both time and money.


Keep Your Water Heater Running Efficiently — Call Nuckols Plumbing, Heating & Cooling at (804) 214-2077

Maintaining your water heater is key to reliable hot water, lower energy costs, and a longer-lasting system. The experts at Nuckols Plumbing, Heating & Cooling provide professional inspections, maintenance, and repairs tailored to your home’s needs.

Call (804) 214-2077 today to schedule service and ensure your water heater performs at peak efficiency year-round.