Common Reasons Your Water Heater Isn’t Working

If you suddenly have no hot water, the first step is to determine whether you have a gas water heater or an electric water heater. Each type has its own common issues and troubleshooting steps.

If you’re unsure what type of water heater you have, call us at (866) 266‑5261. We can quickly walk you through identifying your system. Once you know your water heater type, use the diagnostic tips below to understand why you may be out of hot water. If you need help lighting a pilot light or diagnosing a problem, our technicians are ready to assist.

Gas Water Heater: Why You May Have No Hot Water

If your gas water heater isn’t producing hot water, the most common cause is a pilot light that has gone out. Other possibilities include:

• A faulty thermocouple
• A malfunctioning gas control valve
• Burner assembly issues

If you’ve tried relighting the pilot and it still won’t stay lit, give us a call. An Affordable Water Heater technician can diagnose the issue and explain your repair options. We offer same‑day service in most cases and carry many replacement parts to get your hot water restored quickly.

Electric Water Heater: Why You May Have No Hot Water

If you have an electric water heater with no hot water, the issue is often electrical. Common causes include:

• A tripped breaker
• A failed thermostat
• A burned‑out heating element

Start by checking your breaker panel to see if the water heater breaker has tripped. If the breaker is on and you still have no hot water, a component has likely failed. Call (866) 266‑5261 and an Affordable Water Heater technician can diagnose the problem and provide a clear solution. We typically offer same‑day repairs and have the parts needed to fix your water heater right away.

Why is there water leaking from my water heater?

A leaking water heater is one of the most common signs that your system needs repair or replacement. Water around the base of the unit, dripping from the top, or moisture on nearby pipes can indicate a serious issue. Identifying where the leak is coming from helps determine whether the water heater can be repaired or if a full replacement is necessary.

Why is my water heater leaking from the bottom?

If your water heater is leaking from the bottom, it usually means the internal tank has cracked. Once the tank itself fails, the water heater cannot be repaired and will need to be replaced.
Affordable Water Heaters offers quality replacements with a full 6‑year parts and labor guarantee, and we will beat any competitor’s price. Call (866) 266‑5261 for a firm phone quote.

Why is my water heater leaking from the top?

A water heater leaking from the top is often caused by:

• Loose or failing fittings
• A malfunctioning plumbing connection
• A faulty temperature and pressure (T&P) valve

Leaks from the top are often repairable, and a technician can typically fix the issue without replacing the entire unit.

Can leaking pipes cause water around my water heater?

Yes. Sometimes the water heater itself isn’t the problem—leaking pipes or fittings above or near the unit can drip water down the sides, making it appear as though the tank is leaking. A professional inspection can determine the exact source of the leak.

Do I need to replace my water heater if it’s leaking?

If the leak is coming from the internal tank, replacement is required. If the leak is coming from the top fittings or plumbing connections, repair may be possible.
For fast, accurate diagnosis, call (866) 266‑5261. Affordable Water Heaters provides same‑day service in most cases and has thousands of satisfied customers

How do I turn off a leaking water heater?

If your water heater is leaking, the first and most important step is to turn off the incoming water supply. Shutting off the water supply helps prevent additional flooding and minimizes potential water damage to your home.

If you need help, call (866) 266‑5261. A water heater expert can walk you through safely turning off both the water supply and the gas (if you have a gas water heater).

Why should I turn off the water supply to a leaking water heater?

A leaking water heater can release a significant amount of water in a short time. Turning off the water supply:

• Stops additional water from entering the tank
• Reduces the risk of structural or property damage
• Helps contain the leak until a technician arrives

Can someone help me turn off my leaking water heater?

Yes. If you’re unsure how to shut off the water or gas, call (866) 266‑5261. Our team can guide you step‑by‑step to safely secure your system and prevent further damage.

What should I do after turning off a leaking water heater?

Once the water and gas (if applicable) are turned off, you can schedule an appointment with Affordable Water Heaters. A trained technician will:

• Diagnose the cause of the leak
• Explain whether repair or replacement is needed
• Fix or replace your water heater on the spot in most cases

Why do I not get enough hot water or as much hot water as I used to?

If you’re suddenly running out of hot water faster than before—or you can’t enjoy a full shower or hot bath—your water heater may be experiencing a performance issue. Several common problems can reduce the amount of hot water your system can produce.

What are the most common causes of not enough hot water?

1. Gas Water Heater Issues

A broken gas control valve (thermostat) can prevent your water heater from heating properly.

2. Electric Water Heater Problems

Electric models rely on two heating elements. If one element or thermostat burns out, your water heater will produce far less hot water.

3. Failed Dip Tube

A damaged dip tube can cause cold water to mix with hot water too early, reducing the amount of hot water reaching your faucets.

4. Sediment Buildup

If your water heater is 8+ years old or you live in an area with hard water, sediment can accumulate inside the tank. This buildup:

• Reduces available hot water
• Causes rumbling or popping noises
• Lowers heating efficiency

When sediment is severe, replacement is usually the most effective solution.

5. Undersized Water Heater

If you recently moved into a new home, the water heater may be too small for your household’s needs.

6. Increased Hot Water Usage

Your hot water habits may have changed over time—larger family, longer showers, new appliances—leading to higher demand.

How does sediment affect hot water production?

As sediment builds up inside the tank, it takes up space meant for hot water. This means:

• Less hot water is available
• The heater must work harder
• You may hear rumbling or banging sounds

When sediment is the cause, replacement is typically the best long‑term fix.

Can malfunctioning parts cause reduced hot water?

Yes. A faulty thermostat, heating element, dip tube, or gas control valve can significantly reduce hot water output. These parts often wear out over time but can usually be replaced quickly by a trained technician.

How can I get my hot water restored?

A highly trained Affordable Water Heaters technician can diagnose the issue and provide the exact solution. In most cases, we carry the necessary parts to repair or replace your water heater on the spot.

Call 24/7 at (866) 266‑5261 to speak with a water heater expert and schedule fast service.

Why is my water heater making a “rumbling” noise?

A rumbling water heater is a common issue, especially as the unit gets older. While the noise is usually not dangerous, it is a clear sign that your water heater may be losing efficiency or developing internal problems that need attention.

What causes a rumbling noise in a water heater?

The most common cause of a rumbling or boiling sound is sediment buildup at the bottom of the tank. Over time, minerals in the water settle and harden, especially if the water heater has not been flushed regularly. As water heats and expands, it pushes through the sediment, creating the rumbling noise you hear.

Sediment buildup can lead to:

• Reduced heating efficiency
• Higher energy bills
• Overheating at the bottom of the tank
• Shortened water heater lifespan

Once sediment solidifies, it cannot be removed from most residential water heaters.

Is a rumbling water heater dangerous?

The rumbling sound itself is not dangerous, but the underlying cause can lead to serious problems. Excess heat trapped under sediment forces more heat up the flue instead of into your water, stressing the tank and increasing the risk of failure. In areas with hard water, this issue is even more common.

Can high water pressure cause water heater noise?

Yes. A high‑pitched noise—different from rumbling—can indicate excessive incoming water pressure. This should be addressed quickly. Water heaters are equipped with a temperature and pressure relief valve (T&P valve) designed to release pressure if it becomes too high. If this valve fails or pressure remains elevated, it can lead to leaks, cracks, or—in rare cases—tank rupture.

How can I fix a noisy water heater?

If your water heater is rumbling, popping, or making unusual sounds, it’s best to have it inspected. Sediment buildup often means the unit is nearing the end of its life, while pressure‑related noises may require immediate repair.

Our water heater experts are available 24 hours a day to diagnose noisy water heater problems and recommend the right solution.

Call (866) 266‑5261 to speak with a technician or schedule an appointment.

How do I shut down a leaking water heater?

If you have a leaking water heater, it’s important to shut it down quickly to prevent water damage and reduce safety risks. Follow the emergency shutdown steps below, or call (866) 266‑5261 anytime—24/7/365—and a water heater expert will walk you through the process.

1. Turn Off the Gas or Electricity

Gas Water Heater

• Locate the thermostat on the front of the water heater.
• Turn the dial from “On” to “Off.”
• If you smell gas at any time, leave the home immediately and contact your gas company.

Electric Water Heater

• Go to your home’s breaker panel.
• Flip the breaker labeled “Water Heater” to the Off position.
• If your unit has a nearby disconnect switch, you can turn that off instead.

2. Turn Off the Water Supply

Find the cold‑water supply line entering the top of the water heater. Follow it back to the shut‑off valve.

Gate Valve (Round Handle)

• Turn the handle clockwise until it stops.
• This fully shuts off the water.

Ball Valve (Lever Handle)

• Turn the lever a quarter turn until it is perpendicular to the pipe.
• This stops water from entering the tank.

3. Drain the Water Heater (Optional but Helpful)

If the water heater is leaking heavily, draining it can help prevent additional damage.

• Attach a garden hose to the drain valve at the bottom of the tank.
• Run the other end of the hose to a safe, lower location—avoid grass or plants, as hot water can cause damage.
• Open the hot water faucet closest to the water heater to break the vacuum seal.
• Allow 10–30 minutes for the tank to drain.

If you need help during this step, call (866) 266‑5261 and a technician can guide you.

4. Contact a Water Heater Expert

Once the system is safely shut down, a trained Affordable Water Heaters technician can:

• Diagnose the cause of the leak
• Recommend repair or replacement
• Provide on‑the‑spot service in most cases

Call (866) 266‑5261 anytime for immediate assistance.

Don’t worry.  Once we replace your broken water heater, we will take your old one and recycle it, at no charge to you.  

When it comes to purchasing a water heater, your budget will depend on the type, size, and efficiency of the unit. For most homeowners, a quality water heater can range from $1,200 to $2,500, including installation. At Affordable Water Heaters, we offer a wide selection of water heaters that cater to different budgets without compromising on quality. It’s important to consider both the upfront cost and long-term savings in energy efficiency when making your choice. Affordable Water Heaters also guarantee the lowest installed price along with the longest warranty on parts and labor.

Most water heaters last between 8 and 12 years, depending on the model, water quality, and how well the unit has been maintained. Proper care—such as flushing the tank, checking the anode rod, and scheduling routine inspections—can significantly extend the lifespan of your water heater.

What affects the lifespan of a water heater?

Several factors determine how long your water heater will last:

• Model and build quality
• Hard water or mineral content in your area
• Frequency of maintenance, including tank flushing
• Condition of the anode rod, which protects the tank from corrosion
• Usage habits and overall demand on the system

Regular maintenance helps prevent premature failure and keeps your system running efficiently.

Should I replace my water heater before it fails?

If your water heater is 8+ years old, it’s wise to start planning for replacement—especially if you’re experiencing warning signs such as:

• Leaking
• Not enough hot water
• Rusty or discolored water
• Rumbling or popping noises
• Inconsistent water temperature

Replacing an aging unit before it fails can help you avoid emergency leaks, water damage, and unexpected loss of hot water.

How can I extend the life of my water heater?

At Affordable Water Heaters, we recommend annual maintenance checks to keep your system running at peak efficiency. Routine service can:

• Extend the lifespan of your water heater
• Improve energy efficiency
• Reduce the risk of leaks or sudden failure
• Ensure consistent hot water performance

Yes—many water heater problems can be repaired, especially when the issue is caught early. Common repairable problems include:

• Faulty thermostats
• Burned‑out heating elements (electric models)
• Sediment buildup reducing efficiency
• Leaking or malfunctioning valves
• Dip tube issues affecting hot water output

A professional technician can diagnose these issues and restore your water heater without the cost of a full replacement.

When is water heater repair a good option?

Repair is often the best choice when:

• The unit is younger than 8–10 years
• The tank itself is not leaking
• The problem is limited to a replaceable part
• You’re experiencing inconsistent hot water, not total failure

Affordable Water Heaters offers expert repair services to quickly identify the issue and get your system running efficiently again.

When should I replace my water heater instead of repairing it?

If your water heater is 8–12 years old, has significant corrosion, or the tank is leaking, replacement is usually more cost‑effective. Older units are more prone to:

• Leaks
• Sediment buildup
• Reduced hot water output
• Higher energy usage

Replacing an aging water heater before it fails can help you avoid emergency leaks or sudden loss of hot water.

How can I know whether repair or replacement is best?

A trained Affordable Water Heaters technician can inspect your system, explain the cause of the problem, and recommend the most cost‑effective solution. In many cases, repairs can be completed on the spot, saving you time and restoring hot water quickly.

Choosing the right water heater size is essential to ensure your household always has enough hot water. The ideal size depends on factors such as the number of people in your home, your peak hot water usage, and the types of appliances you use.

As a general guideline, a typical family of four often needs a 50‑gallon water heater, but this can vary based on lifestyle and demand. Larger families or homes with high hot‑water usage may require a bigger tank, while smaller households may be comfortable with a 40‑gallon unit.

What factors determine the right water heater size?

Several key factors influence the size you need:

• Number of occupants
• Simultaneous hot water use (showers, laundry, dishwasher)
• Peak demand periods
• Type of water heater (gas, electric, tankless)
• Efficiency rating and recovery rate

Understanding these details helps ensure you choose a system that won’t run out of hot water during busy times.

How can I make sure I choose the right size?

At Affordable Water Heaters, our experts can evaluate your home’s hot water usage and recommend the optimal tank size for your needs. We help you select a system that delivers consistent hot water, maximizes efficiency, and prevents the frustration of running out.

What’s the difference between a tankless and a traditional tank water heater?

Choosing between a tankless water heater and a traditional tank water heater depends on your home’s hot water needs, energy goals, and budget. Both systems can provide reliable hot water, but they operate very differently and offer unique advantages.

What are the benefits of a tankless water heater?

A tankless water heater—also known as an on‑demand water heater—heats water only when you need it. Key advantages include:

• Endless hot water
• Higher energy efficiency
• Longer lifespan
• Space‑saving design
• Lower monthly utility costs

Tankless units do have a higher upfront cost, but many homeowners appreciate the long‑term savings and performance.

What are the benefits of a traditional tank water heater?

A traditional tank water heater stores and heats a large volume of water at all times. Benefits include:

• Lower initial cost
• Simple installation
• Reliable performance for most households
• Easier and less expensive repairs

However, tank models may have higher energy bills and can run out of hot water during heavy use.

Which type of water heater is right for my home?

The best choice depends on:

• Your household size
• Your hot water usage patterns
• Your budget
• Your energy‑efficiency goals
• Available gas or electrical capacity

At Affordable Water Heaters, our experts can help you compare both options and determine the best fit for your home’s needs and long‑term savings.

What are the signs it’s time to replace your water heater?

Several warning signs can indicate your water heater is nearing the end of its lifespan. If you’re noticing any of the issues below, it may be time to consider a replacement before a major failure occurs.

Common Signs You Need a New Water Heater

1. Inconsistent or fluctuating water temperature

If your hot water turns warm, cold, or varies during use, your water heater may be struggling to heat properly due to aging components or sediment buildup.

2. Strange noises coming from the tank

Rumbling, popping, or banging sounds often point to sediment buildup, which reduces efficiency and accelerates tank wear.

3. Leaking around the water heater

Any visible water around the base of the tank is a serious sign. A leaking tank typically cannot be repaired and usually requires immediate replacement.

4. Rust‑colored or cloudy water

Discolored water can indicate corrosion inside the tank or a failing anode rod—both signs your water heater may be approaching failure.

5. Your water heater is 8–12 years old

Most units last 8 to 12 years. Once your system reaches this age range, replacement becomes more cost‑effective than ongoing repairs.

Should I replace my water heater before it fails?

Yes. Replacing your water heater before it leaks or stops producing hot water can prevent:

• Emergency water damage
• Unexpected loss of hot water
• Higher repair costs
• Inconvenience during peak usage times

Proactive replacement ensures consistent comfort and peace of mind.

How can Affordable Water Heaters help?

At Affordable Water Heaters, we offer free consultations to evaluate your system and determine whether repair or replacement is the best option. Our experts can recommend the right solution based on your unit’s age, condition, and performance.

Why is energy efficiency important when choosing a water heater?

Energy efficiency is one of the most important factors to consider when selecting a new water heater. An energy‑efficient water heater uses less fuel or electricity to heat the same amount of water, which helps lower your monthly utility bills and reduces your home’s overall energy consumption.

How does an energy‑efficient water heater save money?

Energy‑efficient models—especially Energy Star–rated water heaters—are designed to operate more effectively while using less energy. These systems can reduce water heating costs by up to 15%, depending on the model and usage. Over the lifespan of the unit, these savings can add up significantly.

What types of energy‑efficient water heaters are available?

You can choose from several high‑efficiency options, including:

• Tankless water heaters (on‑demand heating with no standby heat loss)
• High‑efficiency tank water heaters
• Energy Star–certified models
• Gas and electric options designed for reduced energy consumption

Tankless models are especially popular for their endless hot water and lower long‑term operating costs.

How can Affordable Water Heaters help me choose an efficient model?

At Affordable Water Heaters, our experts can evaluate your home’s hot water needs and recommend the best model to help you:

• Lower your utility bills
• Reduce your carbon footprint
• Improve long‑term performance
• Increase overall home efficiency

Choosing an efficient water heater is an investment that pays off year after year

What maintenance does my water heater need?

Regular water heater maintenance is one of the most effective ways to extend the life of your unit, improve efficiency, and prevent unexpected breakdowns. A few simple tasks performed annually can keep your system running smoothly and reduce the risk of costly repairs.

Essential Water Heater Maintenance Tips

1. Flush the tank once a year

Sediment naturally builds up inside the tank over time, especially in areas with hard water. Flushing the tank annually helps:

• Improve heating efficiency
• Reduce noise and rumbling
• Prevent overheating and tank damage
• Extend the lifespan of the unit

2. Check the temperature and pressure relief (T&P) valve

The T&P valve is a critical safety component. Testing it ensures it can release excess pressure if needed, preventing dangerous pressure buildup inside the tank.

3. Inspect the anode rod

The anode rod protects the tank from internal corrosion. If it’s heavily corroded or worn down, replacing it can significantly extend the life of your water heater.

4. Adjust the thermostat to a safe temperature

Keeping the thermostat at 120°F helps reduce energy usage and prevents scalding while minimizing wear on the system.

5. Look for signs of leaks or corrosion

Early detection of moisture, rust, or unusual noises can prevent major failures and water damage.

Why is water heater maintenance important?

Routine maintenance helps:

• Extend the lifespan of your water heater
• Improve energy efficiency
• Reduce utility costs
• Prevent leaks and emergency failures
• Maintain consistent hot water performance

A well‑maintained water heater can last significantly longer than a neglected one.

Can Affordable Water Heaters help with maintenance?

Yes. Affordable Water Heaters offers professional maintenance services to keep your system in top condition. Our technicians inspect, flush, and test your water heater to ensure it runs efficiently and reliably—helping you avoid unexpected breakdowns and costly repairs.

Why does professional installation matter for water heaters?

Proper water heater installation is essential for ensuring your system operates safely, efficiently, and reliably. A poorly installed water heater can lead to serious problems, including reduced performance, higher energy bills, leaks, and even safety hazards such as gas leaks or electrical issues.

What can go wrong with improper installation?

Incorrect installation can cause:

• Inefficient heating and higher utility costs
• Leaks or water damage
• Premature system failure
• Gas or electrical safety risks
• Invalidated manufacturer warranties

These issues often cost far more to fix than having the unit installed correctly from the start.

Why choose professional installation from Affordable Water Heaters?

At Affordable Water Heaters, our licensed technicians ensure your new water heater is installed correctly, safely, and up to code. We handle every step of the process, including:

• Removing your old water heater
• Installing the new unit with proper connections
• Ensuring correct venting, pressure settings, and safety components
• Testing the system for optimal performance

With professional installation, you can enjoy worry‑free hot water and confidence that your system will run efficiently for years

Why should I choose Affordable Water Heaters?

Affordable Water Heaters is dedicated to providing top‑quality water heater products and expert services at competitive prices. Whether you need installation, repair, or maintenance, our team delivers reliable solutions tailored to your home’s hot water needs.

What makes Affordable Water Heaters a trusted choice?

1. High‑quality products for every home and budget

We offer a wide selection of gas and electric tank water heaters, ensuring you find the perfect system for your household size, usage, and efficiency goals.

2. Expert installation and professional service

Our trained technicians handle everything—from removing your old unit to installing and testing your new one—so you enjoy safe, efficient, worry‑free hot water.

3. Competitive pricing and honest recommendations

We provide fair, transparent pricing and help you choose the most cost‑effective option, whether that’s repair or replacement.

4. Commitment to customer satisfaction

Your comfort and peace of mind are our top priorities. We take the time to explain your options, answer questions, and ensure your system performs at its best.

How can Affordable Water Heaters help with my water heating needs?

Whether you’re dealing with a leak, inconsistent hot water, or an aging system, our experts can diagnose the issue and recommend the right solution. From energy‑efficient upgrades to same‑day repairs, we make the process simple and stress‑free.