Repair or Replace a Water Heater? A Richmond Guide

Whether to repair or replace a water heater is one of the most common questions we get across Richmond, Glen Allen and Midlothian, and it usually comes up at the worst moment: a cold shower, a puddle in the garage or a strange noise from the basement. The good news is that the decision follows a few simple questions, and you don’t have to make it standing in a wet utility room. Here is how we think it through with owners, and what you can check yourself before anyone comes out.

Start with what the heater is doing

Different problems point to different answers:

• No hot water at all. On an electric heater, often a failed heating element, a thermostat or a reset switch that has tripped. On a gas heater, often a pilot that won’t stay lit, a worn thermocouple or a gas control fault. These are usually repairs.
• Hot water runs out quickly. Sediment has filled the bottom of the tank, a lower element has failed, the dip tube has broken, or the heater is simply too small for the household. Some of these are repairs; a heater that is too small is a replacement decision.
• Rumbling or popping. Sediment again. A flush can help a younger heater. In an older one, years of sediment have often done their damage already.
• Rusty hot water. If the cold water is clear and the hot is brown, the inside of the tank may be corroding. That is a strong sign the end is near.
• Water around the base. This one needs a closer look. A leaking drain valve, relief valve or pipe fitting can be fixed. Water coming from the tank itself cannot.

The questions that decide it

How old is it? Many tank heaters last somewhere around eight to twelve years, sometimes longer with care and sometimes less with hard water, high pressure or no expansion tank. A repair on a heater only a few years old is almost always worth it. A repair on a heater past its expected life is a gamble that the next part won’t fail next month.

Is the tank leaking? A tank that leaks has corroded through, and no repair closes that. Replacement is the only fix, and the sooner the better, since a slow leak can turn into a flood without warning.

What does the repair cost against a new heater? A new element or thermostat is a modest bill. A gas control valve or a combination of parts on an older heater can come to a real share of the cost of a new one. When the repair is a big part of the replacement price and the heater is old, replacement usually makes more sense.

Has it needed work before? One repair in ten years is normal wear. A second or third repair in a short time usually means more are coming.

Does it still suit the house? If the household has grown, a bathroom has been added or the heater has always run out during morning showers, a repair only keeps the wrong heater going. That is a good time to consider a larger tank or a different type.

What a repair involves

Most water heater repairs are done in one visit. The plumber shuts off the power or gas and the water, replaces the failed part, refills the tank and tests it through a heating cycle. While the heater is open, it is worth flushing sediment and checking the anode rod, the relief valve and the expansion tank, since those affect how long the heater lasts. You get the repair price in writing before the work starts.

What a replacement involves

A like-for-like replacement is also usually a one-day job. The old heater is drained, disconnected and hauled away. The new one goes in with new connections, and the work is brought up to the current code, which often means an expansion tank, a new relief valve and discharge pipe, a drain pan where a leak could damage the floor below, and proper venting and anchoring. The permit is pulled with the City of Richmond, Henrico or Chesterfield, depending on your address, and the work is inspected.

The written quote should put the heater, the labor, the permit and each code item on its own line. That way you can see what you are paying for and compare quotes fairly. A quote that is one number with no detail makes that impossible.

Tank, tankless or heat pump

A replacement is the one moment when changing type is easy to consider:

• A new tank of the same type is the simplest and least expensive choice and suits most houses.
• A tankless heater never runs out during a string of showers and frees up space, but it costs more to install, often needs a larger gas line and new venting, and needs regular flushing to stay efficient.
• A heat pump water heater uses much less electricity than a standard electric tank. It needs space around it, works best in a basement or garage that doesn’t get too cold, and costs more up front.

There is no single right answer. The best choice depends on how many people live in the house, how they use hot water, what fuel is available and where the heater sits. We price the options side by side so you can compare them on one page.

What you can check before calling

Look at the label for the age. Check whether the water is coming from the tank or a fitting, if there is water at all. On an electric heater, check the breaker. On a gas heater, look through the small window for the pilot flame. Note whether the hot water is rusty or smells. These answers help the plumber bring the right parts and give you a better idea of the likely outcome before they arrive.

How we handle it

When you call, you hear the service call price before anyone drives out. The plumber tells you what failed, how old the heater is and what condition the tank is in. If repair makes sense, you get that price. If it is a close call, you get the repair and replacement prices on the same page and decide. If the tank is leaking, we say so plainly and stop the water before anything else.

Our water heater repair and replacement page covers the work in more detail, and a heater leaking at night is a job for our emergency plumbing service. We work on water heaters across Richmond, Glen Allen and Midlothian.

Questions about this guide

• How do I find out how old my water heater is?

  Look for the label on the side of the tank. The serial number usually includes the month and year it was made, though each maker codes it differently. If you can't read it, a plumber can on any visit, and the age is the first thing worth knowing.

• Can I replace a water heater myself?

  In Virginia, a water heater replacement is permitted work in most places, and a gas heater involves the gas line and the venting, which are easy to get dangerously wrong. Most owners are better off having a licensed plumber do it with the permit pulled.

• Will a new water heater lower my energy bill?

  Often a little, because new heaters are better insulated and a heater full of sediment wastes energy. The bigger savings come from the right size, a sensible temperature setting and, for some households, a heat pump or tankless model.