No hot water stops your day cold. Whether your unit quit overnight, it’s leaking onto the utility room floor, or you’ve been putting off a replacement for two years — MQ Plumbing gets it handled. We service all water heater types across Charlotte, Mint Hill, and the surrounding metro. You get a written price before any work begins. No surprises.
Repair or Replace? Here's How We Decide
Not every call ends in a new unit. We start with a full diagnostic — because a $180 thermostat fix on a 6-year-old water heater is a better outcome for you than an unnecessary replacement.
Here’s how we think through it:
- Under 7 years old — If it’s relatively young and the failure is a single component (heating element, thermocouple, thermostat, anode rod), repair almost always makes sense. These parts fail. That’s normal. The tank itself is fine.
- 7–12 years old — It depends on what broke. A minor part on an otherwise healthy unit? Fix it. Corrosion, sediment buildup, repeated failures, or a leaking tank? The repair cost won’t buy you much time. Replacement is the smarter spend.
- 12+ years old — Even if the fix looks simple, you’re putting money into a unit that’s near the end of its expected lifespan. Factor in rising energy costs from degraded efficiency, and replacement usually pencils out better — especially if you’re considering upgrading to tankless or heat pump.
We’ll tell you exactly where your unit falls and what we’d do if it were our own home.
Comparing Your Options: Tank vs. Tankless vs. Heat Pump
Every home is different. The right water heater depends on your household size, current setup, utility costs, and how much space you have. Here’s a straight comparison:
| Tank (Gas/Electric) | Tankless | Heat Pump | |
|---|---|---|---|
| Upfront cost | Lowest | Higher | Medium-High |
| Monthly energy cost | Highest | Medium | Lowest |
| Energy savings vs. tank | — | Up to 35% | Up to 60% |
| Lifespan | 10–15 years | 20+ years | 15–20 years |
| Hot water supply | Limited by tank size | Unlimited on demand | Limited by tank size |
| Best location | Anywhere | Anywhere | Garage / utility room with airflow |
| Requires gas line upgrade | No (gas models use existing) | Sometimes (larger BTU) | No |
| NC rebates available | No | Possible | Yes (Duke Energy, Dominion) |
Not sure which fits your situation?
Call us and we'll walk through it — no obligation, no sales pitch.
What "Professional Installation" Actually Means
A water heater isn’t just unboxed and connected. Done correctly, an installation includes:
- Proper sizing — undersized units run constantly and fail early. We calculate demand based on your household, not guesswork.
- Code-compliant venting — gas and power-vent units require specific flue configurations. Incorrect venting is a carbon monoxide risk. We don’t cut corners here.
- Gas line verification — tankless units in particular often require a larger gas supply line than the previous tank. We check and upgrade if needed.
- Pressure relief valve testing — every installation includes a working, correctly positioned T&P valve. This is a safety requirement, not a checkbox.
- Permits where required — in North Carolina, water heater replacements and installations require a permit in most jurisdictions. We pull the permits, schedule the inspection, and make sure your install is on record. This matters for insurance and when you sell your home.
- Cleanup and haul-away — we remove and dispose of your old unit. You don’t deal with it.
Signs It's Time to Call
No hot water, or water that stops being hot mid-shower
Water temperature that fluctuates without changing the setting
Rumbling, popping, or banging sounds from the tank (sediment buildup)
Visible rust or discoloration in the hot water coming from your taps
Water pooling around the base of the unit
A pilot light that keeps going out
Your unit is 10+ years old and your energy bills are climbing
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Frequently Asked Questions
How much does water heater replacement cost in Charlotte, NC?
Tank replacements typically run between $900 and $1,800 installed, depending on size, fuel type, and whether any code upgrades are needed. Tankless installations range from $1,500 to $3,500+ depending on gas line requirements and venting. Heat pump units generally fall between $1,200 and $2,500 installed. We give you an exact written quote before any work begins — the number doesn't change once you approve it.
Do I need a permit to replace a water heater in North Carolina?
In most cases, yes. Mecklenburg County and surrounding jurisdictions require permits for water heater replacements and new installations. We handle the permit process entirely — you don't need to do anything. This also protects you: unpermitted work can create problems with homeowner's insurance and real estate disclosure.
Can I switch from a tank to a tankless water heater?
Yes, and it's a conversion we do regularly. It requires evaluating your gas supply line (tankless units need more BTUs), venting configuration, and electrical if it's a hybrid unit. We'll assess your current setup and tell you exactly what the conversion involves before you commit to anything.
How long does a water heater installation take?
A standard tank replacement is typically completed in 2–3 hours. A tankless installation or a system that requires gas line work may take 4–6 hours. We'll give you a realistic timeframe when we quote the job.
My water heater is leaking. Is it an emergency?
A slow drip from the pressure relief valve is different from a cracked tank flooding your utility room. If you see active water on the floor spreading from the unit, shut off the cold water supply valve above the heater and call us immediately. If you're not sure how to do that, call us first and we'll walk you through it.