Water Heater Comparison Guide

Water Heaters may be a forgotten appliance at times, but they’re absolutely crucial to our homes. Without them, we’d no longer have any hot water for showers, baths, kitchens, or our laundry. If you’ve ever experienced issues with your water heater, you know firsthand just how valuable they are. According to the Department of Energy, about 8% of American households purchase a new water heater in a given year. That being said, choosing the right one can be overwhelming with all of the various options available. So, our team of expert plumbers at First Priority has put together this guide to assist your decision-making and help you find the best fit for your home.

Chart comparing Storage, Tankless, and Solar Water Heaters by Durability, Cost, and Efficiency.

Types of Water Heaters

Storage/Tank Water Heaters

The most common type are storage or tank water heaters (sometimes called traditional water heaters). These are large cylindrical heaters that rest on the floor and continuously store a specific amount of hot water in their tank, ready for use. They’re available in both electric and gas models and are the most affordable type on the market. However, the supply of hot water is limited by the tank's size; if you use a lot of hot water in a short period of time, you run the risk of depleting the tank and having to wait for it to refill and reheat.

Tankless/On-Demand Water Heaters

Tankless water heaters, also known as on-demand heaters, immediately heat your water  without storing it. This means you have a theoretically endless supply of hot water. They’re more energy-efficient than the storage variety because they only use energy to heat the water on-demand. They do come with a higher initial cost and require a more complex installation, but the long term energy savings and convenience can outweigh these drawbacks.

Solar Water Heaters

Unsurprisingly, solar water heaters use renewable solar energy to heat water, making them an eco-friendly and cost-effective option in the long run. They require installation of solar collectors, a storage tank, and a backup system for cloudy days. Not all homes qualify due to roof angles and residence size or area, but they offer significant savings by allowing you to tap into “free” energy, even with the higher initial investment.

Factors to Consider

Efficiency

When evaluating efficiency, look for the Energy Factor (EF) rating; a higher EF means better efficiency. Efficiency is a crucial factor to consider if you plan to stay in your home for an extended period. High-efficiency water heaters have a higher upfront cost, but they save you money on energy bills over time and will eventually reach the break-even point.

Cost

The initial purchase price of a water heater is just one part of the cost equation. You also need to consider installation, maintenance, and operating costs. Traditional tank water heaters are generally less expensive upfront, but their ongoing energy consumption can add up. On the other hand, tankless and solar water heaters have higher initial costs but lower long-term expenses due to their energy efficiency.

Capacity

Your household size and hot water usage patterns will dictate the capacity needed. Storage tank water heaters come in various sizes, typically ranging from 20 to 80 gallons. Choose a size that can meet your peak demand to avoid running out of hot water. Tankless water heaters provide hot water continuously without a storage tank, making them ideal for larger families or homes with high hot water usage.

Durability

Durability and longevity are essential when investing in a water heater. Tank water heaters have a lifespan of about 10-15 years, depending on maintenance and water quality. Regular maintenance, such as flushing the tank and replacing the anode rod, can extend their life. Tankless water heaters often last longer, up to 20 years, due to their lack of a storage tank and fewer parts. Solar water heaters also offer long lifespans, but they require regular maintenance to keep the solar collectors clean and functioning efficiently.

Making the Right Choice

When choosing a water heater, consider your budget, household needs, and long-term goals. If you prioritize upfront cost and simplicity, or don’t intend to be in your residence for very long, a storage tank water heater may be most suitable. If you’re looking for energy efficiency and a guarantee of endless hot water, a tankless water heater is a great choice. If sustainability and long-term savings are your goals, a solar water heater is an excellent investment for those with qualifying households.

At First Priority Plumbing, we’re committed to helping you make informed decisions. Our team of experts is available 24/7 to answer your questions and provide professional installation, repair, and maintenance services. We understand that water heaters are a large purchase that will affect you for years to come, so don’t hesitate to contact us for guidance today.

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