Who to Call for Water Heater Repair (And How to Choose)

Your water heater quit — no hot water, a puddle on the floor, or strange noises from the garage — and now you're staring at the phone wondering: do I call a plumber, an electrician, or someone else entirely?

Here's the short answer: call a licensed plumber first. In nearly every case, that's the right move. Your water heater is plumbing equipment, even when it runs on electricity — the tank, the water supply lines, the drain valve, the temperature-and-pressure relief valve, and (on gas models) the gas line and venting all fall under plumbing work.

There are a few situations where a different professional is the right call, though. This guide will help you match your symptoms to the right trade and then choose a repair company you'll actually be glad you hired.

The Short Answer

A licensed plumber handles the vast majority of water heater repairs: leaks, no-hot-water calls, discolored water, strange noises, T&P valve drips, anode rod replacement, sediment flushing, pilot and thermocouple issues on gas models, and full installations and replacements. Plumbers work on the water side, the tank, and the gas connections and venting that feed gas units.

You'd call someone else only in specific cases:

• Electrician — when the problem is clearly the power supply: a breaker that keeps tripping, no power reaching the unit, damaged or undersized wiring, or work at the breaker panel.
• HVAC or gas technician — for heat pump water heaters (these use a refrigeration cycle like an air conditioner), and in some cases for gas burner or combustion problems, depending on local licensing.
• Your gas utility or the fire department — immediately, if you smell gas. That's a safety emergency, not a repair appointment.

If you're not sure which category your problem falls into, a plumber is still the right first call — a good one will diagnose the issue and loop in an electrician if the root cause turns out to be electrical.

Plumber vs. Electrician vs. HVAC Tech: Who Fixes What

Here's how to match what you're seeing to the right professional:

Call a plumber when you see or hear:

• Water leaking from the tank, pipes, valves, or fittings
• No hot water at all (the most common call — most causes are plumbing-side)
• Rumbling, popping, or banging sounds (usually sediment buildup)
• Rusty or discolored hot water
• The T&P relief valve is dripping or discharging
• The drain valve is stuck or leaking
• You need a new unit installed, or want to switch tank to tankless
• On gas models: the pilot won't stay lit, or the burner won't fire (a plumber typically handles these, since they involve the gas control valve and thermocouple)

Our water heater leak detection service can pinpoint whether a leak is a simple fitting repair or a tank failure, and our emergency water heater repair covers same-day urgent calls.

Call an electrician when:

• The water heater's dedicated breaker trips and won't reset — or trips repeatedly
• The unit has no power at all (test this: a plumber's first check is often the breaker, but if the breaker itself is the problem, it's electrical work)
• Wiring to the heater looks melted, damaged, or was never properly sized for the unit
• You need new or upgraded wiring at the panel to support a replacement unit

One common gray area: the heating element and thermostat on electric models. Plumbers routinely diagnose and replace these — they're parts of the appliance, not the home's wiring. But if the underlying cause is the circuit feeding them, an electrician takes over from there.

Call an HVAC tech or gas specialist when:

• You have a heat pump (hybrid) water heater — these contain a compressor and refrigerant lines, which is HVAC territory
• A gas unit has burner, combustion, or venting problems your plumber doesn't handle (some plumbers do it all; licensing and training vary)

When the manufacturer is involved: if your unit is under warranty and needs a covered part or a manufacturer-authorized repair, your plumber can usually coordinate the warranty process — ask before you start calling the manufacturer yourself.

Smell Gas? Stop and Do This First

If you smell rotten eggs or sulfur near your water heater, do not wait for a repair appointment. Turn off the gas supply at the meter or the unit's gas valve if you can do so safely, don't flip any electrical switches, leave the house, and call your gas utility or the fire department from outside.

Only after the utility has cleared the property should you call a plumber to fix whatever failed. A gas leak is the one water heater problem where the first call is never to a repair company.

How to Choose the Right Water Heater Repair Company

Once you know to call a plumber, picking the right one matters. Here's what separates a good water heater company from a risky one:

1. Licensed and insured. Any company working on your plumbing and gas connections should carry proper licensing and liability insurance. Ask — a reputable company answers without hesitation.

2. Actual water heater experience. A plumber who mostly unclogs drains may not be fluent in water heaters. Ask whether they service your type of unit: tank or tankless, gas or electric. You want someone who works on water heaters every week, not once in a while.

3. Upfront, written pricing. You should get a clear price before work starts — not a vague "we'll see once we open it up." Our water heater repair cost guide explains what repairs typically run, so you'll know whether a quote looks reasonable.

4. Reviews that mention specifics. Five-star ratings are easy to game; reviews that name the technician, describe the problem, and confirm the fix held up are not.

5. A warranty on the work. Parts and labor should be covered. If a company won't stand behind a repair for at least a reasonable period, keep looking.

6. Real availability. Water heaters fail at the worst times. A company that offers genuine emergency service — not just an answering service that calls back Monday — matters more than you'd think.

Red flags to walk away from:

• No license or insurance documentation
• Demanding full payment before any work starts
• Refusing to give a written estimate
• A quote that's dramatically lower than everyone else's (it usually grows mid-job)
• Pressuring you into a full replacement before diagnosing the problem — many issues are perfectly repairable, and replacement is only the right call under specific conditions (see repair or replace your water heater)

What to Tell Them When You Call

You don't need to diagnose the problem yourself, but five pieces of information will get you an accurate quote and a faster visit:

1. The symptom — no hot water, leaking, noises, discolored water, pilot won't light
2. The unit type — tank or tankless, gas or electric (the label on the unit says)
3. The unit's age — check the serial number label; the first digits often encode the manufacture date
4. Where the leak is, if any — top of the unit (usually fittings) vs. the tank body (usually serious)
5. Any error codes — tankless and newer tanks display them; write them down before you call

A dispatcher who gets all five will send the right tech with the right parts — which is how you avoid the dreaded "we'll have to come back next week" visit.

Lawrenceville, GA: Finding a Water Heater Pro Near You

In Lawrenceville and across Gwinnett County, most water heater calls land in one of two buckets: sediment-damaged electric components (our local water is mineral-heavy, which kills heating elements and clogs drain valves — a professional sediment flush prevents a lot of it) and gas control or pilot issues on older gas units.

Look for a company that serves your area specifically, shows up with a stocked truck, and diagnoses before it recommends. That's the whole business model at Water Heater Pros — we diagnose the actual problem first, and we don't sell replacements to people who need a single part. Call (770) 796-7565 or contact us for same-day water heater repair in Lawrenceville and Gwinnett County.

Frequently Asked Questions

Should I call a plumber or an electrician for my water heater? Call a plumber first in almost every case. Electricians are only the right first call when the problem is clearly electrical — a tripping breaker, no power to the unit, or damaged wiring. A plumber will tell you honestly if the real problem is the circuit, not the appliance.

Who fixes gas water heaters? A licensed plumber, for nearly all issues — including the gas line, gas control valve, thermocouple, pilot assembly, and venting. The one exception is a suspected gas leak: shut off the gas, leave the house, and call your gas utility or the fire department first.

Does a plumber install water heaters, or just repair them? Both. Plumbers install new units, replace old ones, and handle tank-to-tankless conversions. If your unit is past saving, the same company that diagnosed it can usually install the replacement.

What does a water heater service call cost? The diagnostic visit is usually modest, and many companies apply it toward the repair if you proceed. The repair itself depends on the part and labor — our water heater repair cost guide breaks down typical prices.

Will the plumber need to know my unit's brand and model? It helps. Snap a photo of the rating label on the unit before you call — brand, model, serial number, and fuel type. It lets the dispatcher check parts availability and can turn a two-visit job into one.