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Aug 13,2025

Replacing Your Old Water Heater? Here’s What to Consider First

As a homeowner or a business that uses a water heater, you know that these appliances can break down over time. Both storage water heaters and tankless systems have a finite lifespan, and they often show warning signs when they’re on the verge of breaking down. Replacing your old water heater in a timely manner can save you time, money, and inconveniences.

It’s best to leave water heater replacement to a reliable and experienced plumbing company. Here at Mr. Rooter Plumbing, we take pride in offering a wide range of water heater services, including installation, repair, and replacements. Today, we’ll look at some of the crucial things to consider first when replacing your old water heater.

Choosing the Right Type of Water Heater

One of your first decisions is whether to stick with the same type of water heater or explore other options. The two most common types are tank water heaters and tankless water heaters.

  • Tank water heaters store a set amount of hot water and are more affordable to install.
  • Tankless water heaters heat water on demand, offering unlimited hot water and better energy efficiency, but with a higher upfront cost.

You’ll also need to decide between electric, gas, or hybrid models depending on your home’s setup, energy rates, and personal preference. It’s a good idea to seek help from a trusted plumbing service if you need professional guidance on choosing the right type of water heater.

Sizing for Your Household’s Needs

Water heater size matters more than you might think. Too small, and you’ll constantly run out of hot water. Too large, and you’ll waste energy heating water you don’t use. For tank models, size is measured in gallons, while tankless models are rated by flow rate (gallons per minute). A professional plumber can help you calculate the right size based on your household’s number of occupants, appliances, and typical water usage.

Energy Efficiency and Operating Costs

An energy-efficient water heater may cost more upfront but can save you much more money in the long run. Look for units with the ENERGY STAR label, which meet strict efficiency guidelines. Tankless models outperform traditional tanks in energy efficiency, but even newer tank models with improved insulation and heating elements can cut energy consumption. Remember to compare not only the purchase price but also estimated annual operating costs.

Installation and Professional Guidance

While it might be tempting to install a water heater yourself, this job is best left to a professional plumbing service. Proper installation ensures safety, efficiency, and compliance with local building codes. A licensed plumber can also help you determine the right unit for your home, handle necessary permits, and ensure all connections are secure to prevent leaks or gas hazards.

Think Long-Term

When replacing your water heater, consider your future needs. If your household is growing, you may need a larger capacity. If you’re downsizing or traveling often, a smaller or tankless model could save you money. You should also think about maintenance requirements—regular flushing, inspections, and minor repairs will help your new system last longer.

Mr. Rooter Plumbing Can Repair or Replace Your Water Heater

Looking for a dependable plumbing service to repair or replace your water heater? Get in touch with the professional plumbers at Mr. Rooter Plumbing. Whether your water heater is making unusual noises, and you have no idea what they mean, or the unit has come to the end of its lifespan, we are the experts you can count on for professional help. We have been in the plumbing industry for decades and have built an excellent reputation for delivering outstanding results.

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