Water Heater Guides & Maintenance Tips

Practical guides and expert advice to help you maintain, troubleshoot, and extend the life of your water heater.

Troubleshooting

Water Heater Leaking From the Top? Causes & Fixes

Is your water heater leaking from the top? Learn the most common causes—loose connections, corroded nipples, condensation, and T&P valves—plus how to fix each.

Updated 2026-07-12Read More
Maintenance

Water Heater Leaking From Bottom? Check Age First

Learn how to read your water heater's serial number to find its age, and what to do if your water heater is leaking from the bottom of the tank.

Updated 2026-07-10Read More
Safety

Water Heater Smells Like Rotten Eggs? Causes & Fixes

Why your water heater smells like rotten eggs, what causes the sulfur odor in hot water, and how to fix it safely on gas, electric, tankless, and RV units.

Updated 2026-07-07Read More
Energy Efficiency

The 2029 Water Heater Law: What It Means for Your Home

The 2029 DOE water heater efficiency standards in plain language - what changes, who it affects, why it's not a ban, and how to plan your replacement.

Updated June 12, 2026Read More
Buying Guide

Heat Pump vs. Electric Tankless Water Heater: An Honest Comparison

Heat pump vs electric tankless water heater, compared honestly. Which is more efficient, what each costs, and when electric tankless genuinely wins.

Updated June 11, 2026Read More
Buying Guide

Do You Have to Replace Your Water Heater by 2029?

No, you do not have to replace your water heater by 2029. Here is what the new DOE standard really means, what happens when yours fails, and how to plan ahead.

Updated June 10, 2026Read More
Energy Efficiency

Water Heater Rebates in 2026: What's Actually Left

An honest look at water heater rebates in 2026. The federal 30% tax credit expired - here's what's left: state, utility, and HEEHRA rebate programs.

Updated June 9, 2026Read More
Troubleshooting

Electric Water Heater Tripping Breaker: 5 Fixes

If your electric water heater keeps tripping the breaker, here are the 5 most likely causes and how to fix each one safely - with diagnostic charts and tools.

Updated April 19, 2026Read More
Troubleshooting

How Long Does It Take a Water Heater to Heat Up?

How long does a water heater take to heat up? Typical times by tank size, fuel type, and tankless - plus the recovery formula and what to do if yours is slow.

Updated April 19, 2026Read More
Buying Guide

What Is a Water Heater's First Hour Rating?

What is a water heater's first hour rating (FHR)? Learn how it's measured, why it matters more than tank size, and how to pick the right FHR for your home.

Updated April 19, 2026Read More
Troubleshooting

Why Does My Tankless Heater Keep Shutting Off?

Tankless water heater keeps shutting off mid-shower? Learn the 8 most common causes from low flow rate to scale buildup, and how to fix each one.

Updated March 28, 2026Read More
Troubleshooting

Tankless Water Heater Error Codes by Brand

Brand-by-brand guide to tankless water heater error codes for Rinnai, Navien, Noritz, and Rheem. What each code means and when to call a pro.

Updated March 23, 2026Read More
Maintenance

Water Heater Sediment Buildup: Signs and Fixes

Learn the key signs of water heater sediment buildup, how serious they are, and what to do about it before it shortens your water heater's life.

Updated March 18, 2026Read More
Maintenance

Water Heater Expansion Tanks: Do You Need One?

Wondering if you need a water heater expansion tank? Learn what it does, when your home requires one, code rules, sizing, and installation cost.

Updated March 17, 2026Read More
Maintenance

What Voids a Water Heater Warranty?

Find out exactly what voids a water heater warranty, from DIY installation to improper maintenance, and what you can do to protect your coverage.

Updated March 17, 2026Read More
Maintenance

What Is a Water Heater Anode Rod?

An anode rod is the single most important part protecting your water heater from rust. Learn what it does, when to replace it, and extend tank life.

Updated March 16, 2026Read More
Buying Guide

Tankless Water Heater Installation Cost

Tankless water heater installation costs $1,000–$5,000 depending on fuel type, unit size, and switch from a tank. Full breakdown and money-saving tips.

Updated March 11, 2026Read More
Buying Guide

Tank vs. Tankless Water Heaters Compared

Tank vs tankless water heater - which is right for your home? Compare upfront costs, energy efficiency, lifespan, maintenance, and more in this detailed guide.

Updated February 27, 2026Read More
Buying Guide

Repair or Replace Your Water Heater?

Not sure whether to repair or replace your water heater? Use our age-based decision framework, cost charts, and expert guidelines to decide.

Updated February 26, 2026Read More
Buying Guide

Propane vs. Natural Gas Water Heaters

Compare propane and natural gas water heaters side by side - costs, efficiency, performance, and which fuel type is best for your home and budget.

Updated February 23, 2026Read More
Buying Guide

What Size Water Heater Do I Need for My Family?

Find out what size water heater you need based on household size, bathrooms, and usage. Includes sizing charts for tank and tankless models.

Updated February 22, 2026Read More
Troubleshooting

Why Won't My Water Heater Produce Hot Water?

No hot water? Learn the most common reasons your water heater stopped working and how to fix them - troubleshooting tips for gas and electric models.

Updated February 20, 2026Read More
Safety

How to Relight a Water Heater Pilot Light Safely

Step-by-step guide to safely relighting your gas water heater's pilot light, with safety precautions, troubleshooting tips, and when to call a pro.

Updated February 20, 2026Read More
Troubleshooting

Why Is My Hot Water Brown or Discolored?

Why is your hot water brown, yellow, or rusty? Learn the most common causes - sediment buildup, corroded anode rods, aging tanks - and how to fix it.

Updated February 20, 2026Read More
Troubleshooting

Why Does My Hot Water Run Out So Fast?

Running out of hot water too quickly? Learn the top reasons your water heater can't keep up and how to fix each one, from sediment buildup to broken dip tubes.

Updated February 20, 2026Read More
Troubleshooting

Why Is My Water Heater Making a Popping Sound?

Hearing popping, crackling, or rumbling noises from your water heater? Learn what causes these sounds, whether they're dangerous, and how to fix them.

Updated February 20, 2026Read More
Troubleshooting

Gas Water Heater Won't Ignite: Fixes

Gas water heater won't light? Walk through the most common causes - from a dirty pilot tube to a bad gas valve - and learn how to fix each one safely.

Updated February 20, 2026Read More
Safety

What Temperature Should a Water Heater Be Set To?

Find the ideal water heater temperature setting for your home. Learn why 120°F is recommended, when to go higher, and how to adjust your thermostat safely.

Updated February 20, 2026Read More
Maintenance

Signs Your Water Heater Is About to Fail

Spot the warning signs your water heater is failing - rusty water, strange noises, leaks, and rising bills - so you can replace it before disaster strikes.

Updated February 20, 2026Read More
Maintenance

How to Prevent Water Heater Rust and Corrosion

Learn how to prevent water heater rust with anode rod maintenance, tank flushing, and other proven strategies that extend your water heater's lifespan by years.

Updated February 20, 2026Read More
Maintenance

How Often Should You Flush a Water Heater?

Find out how often to flush water heater tanks based on your water quality, plus step-by-step instructions and signs that your tank is overdue for a flush.

Updated February 20, 2026Read More