Water Heater Repair

No Hot Water

You’re getting no hot water at all—only cold water from the tap. This usually means a failed heating element (electric), faulty thermostat, or broken gas valve. In Northern Virginia—especially in Arlington and Alexandria where homes are older—sediment buildup from hard water can insulate the heating element, reducing efficiency until the system fails completely. Don’t wait on this; professional diagnosis saves time and prevents further damage.

Water Heater Runs Out of Hot Water Quickly

You run out of hot water much faster than you used to—the shower goes cold mid-rinse. The tank could be leaking internally, or sediment buildup is reducing usable tank capacity. Hard water minerals are especially problematic in Northern VA, where mineral-heavy water gradually fills the tank bottom with sediment. Professional flushing or replacement may be needed.

Rusty or Discolored Water

Your hot water comes out brown, orange, or rust-colored. This indicates corrosion is occurring inside the tank or in deteriorating pipes. In older Fairfax, Arlington, and Alexandria homes, galvanized pipes corrode from the inside out. This isn’t just aesthetic—rust particles affect water quality and signal the tank is weakening. Professional inspection determines if flushing helps or if replacement is necessary.

Leaking Tank or Connections

Water is pooling under or around your water heater. A leaking tank has failed and needs immediate replacement—this risks water damage to your home and flooring. Leaks at connection points may be temporarily repairable, but a leaking tank itself has failed. Call immediately—this isn’t a DIY situation.

Strange Noises (Popping, Rumbling, Banging)

Your water heater makes loud popping, rumbling, or banging sounds. This means sediment has built up at the tank bottom. As water heats, steam bubbles escape through the sediment layer, creating noise. This is common in Northern Virginia due to hard water and signals the tank is working harder than it should. Professional flushing can help temporarily, but if the noise persists, replacement is likely needed.

Low Hot Water Pressure

Hot water comes out at low pressure, much weaker than your cold water. This could be a clogged dip tube (delivers cold water to tank bottom), mineral-clogged supply lines, or a failing pressure relief valve. Hard water in Northern VA makes line clogging more likely. A professional can identify which component is failing and repair or replace it.

Temperature Fluctuations

Water temperature swings unpredictably between too hot and too cold. Usually this means the thermostat is failing, or the dip tube is broken. With a broken dip tube, cold water mixes directly with hot water instead of heating first. Professional diagnosis and repair restores stable temperature.

Pilot Light Won’t Stay Lit (Gas Water Heaters)

Your pilot light keeps going out or won’t stay lit. This signals a thermocouple failure, a gas supply issue, or a draft blowing it out. Don’t keep relighting it yourself—this is a gas safety concern. Professional service ensures the system is safe and functioning properly.

Water Heater Age and Lifespan

Your water heater is 8–12 years old and starting to show problems like rust, noise, or reduced hot water. Most water heaters last 8–12 years. If your tank is approaching or past this age and showing signs of failure, replacement is more cost-effective than repeated repairs. Older homes in Arlington, Alexandria, and Fairfax often have heaters that have exceeded their lifespan. Professional replacement with a high-efficiency model saves money and water long-term.

Unusual Smells or Tastes in Water

You notice a rotten egg smell or metallic taste in your hot water. This indicates bacterial growth in the tank or anode rod failure. Anode rods protect the tank from rust; when they fail, corrosion accelerates. Professional replacement of the anode rod or full tank replacement may be needed.