{"id":1484,"date":"2025-01-27T23:00:00","date_gmt":"2025-01-28T05:00:00","guid":{"rendered":"https:\/\/www.performanceplumbinginc.com\/blog\/?p=1484"},"modified":"2026-03-23T09:11:58","modified_gmt":"2026-03-23T14:11:58","slug":"how-to-choose-the-best-water-heater-when-its-time-for-an-upgrade","status":"publish","type":"post","link":"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/how-to-choose-the-best-water-heater-when-its-time-for-an-upgrade\/","title":{"rendered":"How to Choose the Best Water Heater When It&#8217;s Time for an Upgrade"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-medium\"><a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"222\" src=\"https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422-300x222.jpg\" alt=\"Electric water heater tank in a utility room beside an electrical panel, ready for water heater service.\" class=\"wp-image-1485\" srcset=\"https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422-300x222.jpg 300w, https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422-1024x758.jpg 1024w, https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422-768x569.jpg 768w, https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422-1536x1138.jpg 1536w, https:\/\/www.performanceplumbinginc.com\/blog\/wp-content\/uploads\/2025\/01\/iStock-174625704_1920x1422.jpg 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure><\/div>\n\n\n<p>If you\u2019re in the market for a new water heater, you have so many options to choose from. In fact, doing research online or looking at water heaters in a local hardware store may leave you feeling overwhelmed by all the options. Understanding common issues and common problems with water heaters can help guide you to the best course when selecting a new unit. Our team is here to help! Modern tankless systems offer advanced, on-demand water heating solutions with high energy efficiency and customizable sizing to meet your household\u2019s hot water requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What makes a tankless water heater the best choice?<\/h2>\n\n\n\n<p>The best tankless water heaters provide endless hot water, superior energy efficiency, and a compact design that saves space. They reduce utility bills over time and last longer than traditional tanks. For optimal performance, look for models with high flow rates, strong warranties, and compatibility with your home\u2019s power system.<\/p>\n\n\n\n<p>Keep reading to learn about different factors to consider when selecting a water heater that fits your family&#8217;s needs. Professional installation is recommended for both safety and to ensure the system is set up correctly. We can answer any additional questions you have and complete an in-home assessment so you know exactly how your preferred unit will be set up in your home.\u00a0<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Tank Vs. Tankless<\/h2>\n\n\n\n<p>First, you have to decide whether you want a tank water heater or a tankless water heater. Tankless water heaters are popular because they provide a nearly endless supply of hot water. A<a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/how-to-choose-the-best-water-heater-when-its-time-for-an-upgrade\/\"> tankless water heater comparison<\/a> eliminates the need for a bulky storage tank by heating water on demand.\u00a0Tankless heaters are a modern alternative to traditional tank models, offering advanced technology and energy savings. Additionally, a tankless system can have an extended lifespan compared to traditional tank water heaters, typically lasting 15-20 years. If your current water heater is experiencing frequent breakdowns or needs frequent repairs, it may be time to replace it with a newer, more efficient model. You don\u2019t have to worry about taking shorter showers or allowing time in between hot water use.<\/p>\n\n\n\n<p>But tank water heaters are still very popular. You can easily get a larger tank that stores more hot water if you have a larger family. Plus, tank water heaters can allow you to use hot water at more places at a time without losing water pressure, while the same cannot be said for a tankless water heater. It really comes down to personal preference when making a selection.\u00a0However, it\u2019s worth noting that<a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/water-heater-installation-should-go-tank-or-tankless\/\"> tankless installation cost factors<\/a> compared to traditional models can be more complex and come with higher upfront costs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gas Vs. Electric<\/h2>\n\n\n\n<p>Once you decide between tank and tankless, you also have to think about whether you want a gas water heater or an electric water heater. A gas heater is a traditional water heating option that is often compared to electric models for its efficiency, installation requirements, and environmental impact. Gas water heaters heat up much more quickly compared to electric water heaters, making them more energy efficient. Gas tankless water heaters use either natural gas or propane as a fuel source, and require proper installation of gas lines and ventilation for safe operation. Gas models require proper gas lines and, in some cases, a natural gas line or propane tanks for operation. Propane systems are a powerful alternative to natural gas, especially in areas without natural gas service. Gas heaters heat up much more quickly compared to electric water heaters, making them more energy efficient. You may spend less on heating your water if you have a gas-powered system instead of an electric system.&nbsp;Gas tankless water heaters typically offer superior performance and higher flow rates than electric models. Electric models are suitable for smaller spaces and offer technological advancements, but may have performance limitations in colder climates compared to gas models.<\/p>\n\n\n\n<p>However, availability of service may be a factor in what kind of water heater you install in your home.  If you don\u2019t have gas service in your area, you may have to go with an electric water heater. Electric water heater heaters tend to cost less upfront for installation compared to gas water heaters, so you will enjoy some savings there even though they cost more for month-to-month operation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Water Heater Components<\/h2>\n\n\n\n<p>A water heater is made up of several essential components that work together to deliver reliable hot water throughout your home. At the core is the water heater tank, which stores and holds water until it\u2019s needed. Inside the tank, heating elements\u2014either electric coils or gas burners\u2014are responsible for raising the water temperature to your desired level. The thermostat acts as the control center, regulating the temperature and ensuring your hot water is always just right.<\/p>\n\n\n\n<p>Safety is built into the design with a pressure relief valve, which automatically releases excess pressure to prevent dangerous buildup inside the tank. This relief valve is a critical feature for safe operation and should be checked regularly. Understanding these components is key for effective water heater repair and ongoing maintenance. By routinely inspecting the tank, heating elements, thermostat, and pressure relief valve, you can catch potential issues early and keep your water heater running efficiently. This proactive approach helps prevent unexpected breakdowns and ensures you always have hot water when you need it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Water Heater Efficiency<\/h2>\n\n\n\n<p>Once you have narrowed down your choices to decide the precise kind of water heater you want, it\u2019s time to consider water heater energy efficiency ratings. All water heaters come with a bright yellow tag that estimates the overall efficiency of the unit. Modern water heaters often include energy saving features that can lead to significant energy savings and cost savings over time. When comparing models, it\u2019s important to understand how much energy each water heater uses, as this can greatly impact your long-term savings and efficiency. Choosing a<a href=\"https:\/\/www.performanceplumbinginc.com\/water-heaters\/high-efficiency\"> high-efficiency<\/a> unit can result in lower operating costs and reduced energy costs, helping you save energy and lower your utility bills. In fact, efficient water heaters can save up to 30% or more in energy use compared to traditional models, depending on the system and usage. These benefits also contribute to a reduced environmental impact by minimizing overall energy consumption. Energy efficiency ratings for water heaters are measured using the Uniform Energy Factor (UEF), which helps consumers compare the energy performance of different models.<\/p>\n\n\n\n<p>Water quality and the presence of corrosive elements in your water supply can also impact the efficiency and lifespan of your water heater. Considering these factors when choosing a new unit can help ensure optimal performance and durability.<\/p>\n\n\n\n<p>If you choose a high-efficiency water heater, you will have better overall results. It is important to note that you should not compare water heater efficiency ratings between different types of systems because each one is rated in a unique way. That\u2019s why you should wait until you know exactly what kind of water heater you want and then take efficiency into consideration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sizing Your Water Heater: Capacity and Flow Rate<\/h2>\n\n\n\n<p>Choosing the right size<a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/signs-you-need-new-water-heater\/\"> tankless water heater unit<\/a> is one of the most important steps to ensure your home always has reliable hot water. Unlike traditional tank water heaters that store a set amount of hot water, tankless water heaters heat water on demand. When a hot water tap is turned on, the system is activated, providing instant hot water. This means the unit\u2019s capacity and flow rate must match your household\u2019s hot water needs, especially if you want to enjoy continuous hot water during busy mornings or when multiple appliances are running. Consulting a certified plumber is the most reliable approach to correctly sizing your tankless water heater system, and they can also inspect pipes and connections to prevent leaks and ensure proper operation.<\/p>\n\n\n\n<p>The flow rate, measured in gallons per minute (GPM), tells you how much hot water the tankless water heater can deliver at once. To find the right size, think about how many hot water taps, showers, or appliances you might use at the same time. For example, running a shower and a washing machine together requires a higher flow rate than just using a single faucet. Add up the GPM requirements for each fixture you expect to use simultaneously to determine the minimum flow rate your tankless water heater should provide.<\/p>\n\n\n\n<p>Capacity is another key factor. While tankless water heaters don\u2019t store hot water, their ability to heat water quickly depends on the incoming water temperature and the desired temperature you want at your fixtures. The required temperature rise is calculated by subtracting the incoming water temperature from your desired temperature. If you choose a unit that\u2019s too small, you might experience lukewarm or only warm water or reduced flow when demand is high. The most common cause of insufficient hot water flowing is an undersized unit, but issues with pipes or the cold water supply can also contribute. When diagnosing temperature issues, checking whether the water at the tap is warm or cold can help determine if the water heater or the cold water inlet is the source of the problem. On the other hand, an oversized unit can lead to unnecessary energy consumption and higher upfront costs.<\/p>\n\n\n\n<p>To ensure optimal performance, consider your family\u2019s peak hot water demands and consult with a professional plumber to help you select the right tankless water heater size. This way, you\u2019ll enjoy consistent hot water, energy efficiency, and peace of mind<a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/5-signs-water-heater-service-life\/\"> knowing your water heater<\/a> can keep up with your lifestyle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Installation Options<\/h2>\n\n\n\n<p>When it comes to installing a tankless water heater, there are several important options and factors to keep in mind to ensure you get reliable hot water at your desired hot water temperature. The installation process for a tankless water heater can vary depending on your chosen fuel source\u2014whether it\u2019s natural gas, propane, or electricity\u2014as well as the layout of your home and local building codes.<\/p>\n\n\n\n<p>One of the first decisions is whether to opt for an indoor or outdoor installation. Indoor units are typically installed in utility rooms, basements, or garages, and require proper venting to safely expel exhaust gases, especially for gas tankless water heaters. Outdoor models, on the other hand, are designed to withstand the elements and can save valuable indoor space, but may need freeze protection in colder climates to ensure consistent hot water delivery.<\/p>\n\n\n\n<p>The fuel source you select will also impact installation requirements. Gas tankless water heaters need access to a natural gas line or propane tanks, along with adequate ventilation and sometimes metal venting to prevent safety hazards. Electric tankless water heaters generally have simpler installation needs, but may require electrical upgrades to handle the increased power demand, especially if you want to maintain a steady supply of hot water during peak usage.<\/p>\n\n\n\n<p>Local building codes play a crucial role in determining where and how your tankless water heater can be installed. These codes are designed to ensure safety and efficiency, so it\u2019s essential to work with a professional plumber who understands the regulations in your area. Seeking professional help for installation ensures your water heater is set up safely and in compliance with local codes. A professional installation not only guarantees that your tankless water heater is set up correctly for optimal performance, but also helps protect your warranty and investment.<\/p>\n\n\n\n<p>Ultimately, the right installation option for your tankless water heater will depend on your home\u2019s infrastructure, your hot water needs, and your preferred fuel source. By considering these factors and consulting with an expert, you can enjoy the benefits of endless hot water, energy efficiency, and peace of mind knowing your water heater is installed safely and correctly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Safety Considerations<\/h2>\n\n\n\n<p>When dealing with water heater installation or repair, safety should always come first. Before starting any work, it\u2019s crucial to turn off the power supply to your water heater and use a non-contact voltage tester to confirm that all wires are de-energized. For gas water heaters, make sure the gas supply is shut off and the area is well-ventilated to avoid any risk of gas leaks or combustion.<\/p>\n\n\n\n<p>Professional water heater services are highly recommended for both installation and maintenance, as experts are trained to follow all safety protocols and local codes. Regular maintenance, such as checking the temperature and pressure relief valve, is essential for safe operation and can help prevent accidents or malfunctions. By prioritizing safety and relying on professional water heater expertise, you can enjoy endless hot water with peace of mind, knowing your system is operating safely and efficiently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Brands and Models<\/h2>\n\n\n\n<p>With so many water heater brands and models available, finding the right fit for your home can feel overwhelming. Electric water heaters from trusted names like A.O. Smith are known for their straightforward operation and minimal maintenance needs. Gas water heaters, such as those offered by Roto-Rooter, are valued for their energy efficiency and quick recovery times, making them ideal for households with high hot water usage.<\/p>\n\n\n\n<p>If you\u2019re looking for a modern solution, tankless systems from brands like Service Experts deliver a continuous supply of hot water and can be more energy-efficient than traditional tank models. When selecting a new water heater, consider your family\u2019s hot water usage, the quality of your water supply, and the space available for installation. Choosing a reputable brand and the right model ensures reliable hot water, fewer repairs, and long-term satisfaction with your investment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Warranties and Lifespan<\/h2>\n\n\n\n<p>Understanding the warranty and expected lifespan of your water heater is essential for planning future maintenance and replacement. Most traditional water heaters last between 8 and 12 years with proper care, while some tankless models can provide reliable hot water for up to 20 years. Always review the manufacturer\u2019s warranty before purchasing a new water heater, as coverage can vary widely between brands and models.<\/p>\n\n\n\n<p>Routine maintenance is key to extending the life of your unit. Tasks like checking the<a href=\"https:\/\/www.performanceplumbinginc.com\/blog\/water-heater-service\/what-does-anode-rod-do-water-heater\/\"> anode rod<\/a> for corrosion, draining the tank to remove sediment buildup, and visually inspecting the system for leaks or wear can prevent damage and costly repairs. Professional water heater services can help you stay on top of these maintenance tips, ensuring safe operation and minimizing disruptions to your daily routine. By staying proactive with regular maintenance and understanding your water heater\u2019s warranty, you\u2019ll enjoy consistent hot water and avoid unexpected surprises down the road.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<p><strong>Question: What is the first decision I should make when upgrading my water heater?<\/strong><strong><br><\/strong><strong>Answer:<\/strong> The first decision is whether to choose a tank or tankless water heater. Tankless systems provide nearly unlimited hot water on demand, while tank systems offer strong water pressure and large storage capacity, especially useful for households using multiple taps at once.<\/p>\n\n\n\n<p><strong>Question: How do I choose between gas and electric water heaters?<\/strong><strong><br><\/strong><strong>Answer:<\/strong> Consider your home&#8217;s fuel access and energy cost goals. Gas water heaters heat faster and are generally more efficient, but may be harder to install if you don\u2019t already have gas lines. Electric models are easier to install but may have higher long-term energy costs.<\/p>\n\n\n\n<p><strong>Question: Why is the energy efficiency rating important when selecting a water heater?<br>Answer:<\/strong> Energy efficiency ratings help you compare how effectively a water heater converts energy into hot water. Higher efficiency units typically save money over time. Be sure to compare ratings only among similar types, since tank and tankless systems are evaluated differently.<\/p>\n\n\n\n<p><strong>Question: What size water heater is right for my home?<br>Answer:<\/strong> The right size depends on your household\u2019s hot water usage. Larger families or homes with multiple bathrooms may need a bigger tank or a high-capacity tankless unit. Consulting a plumbing expert ensures the unit matches your daily water needs without wasting energy.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the first decision I should make when upgrading my water heater?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The first decision is whether to choose a tank or tankless water heater. Tankless systems provide nearly unlimited hot water on demand, while tank systems offer strong water pressure and large storage capacity, especially useful for households using multiple taps at once.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between gas and electric water heaters?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Consider your home's fuel access and energy cost goals. Gas water heaters heat faster and are generally more efficient, but may be harder to install if you don\u2019t already have gas lines. Electric models are easier to install but may have higher long-term energy costs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why is the energy efficiency rating important when selecting a water heater?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Energy efficiency ratings help you compare how effectively a water heater converts energy into hot water. Higher efficiency units typically save money over time. Be sure to compare ratings only among similar types, since tank and tankless systems are evaluated differently.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What size water heater is right for my home?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The right size depends on your household\u2019s hot water usage. Larger families or homes with multiple bathrooms may need a bigger tank or a high-capacity tankless unit. Consulting a plumbing expert ensures the unit matches your daily water needs without wasting energy.\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.performanceplumbinginc.com\/plumbing\/water-lines\/laundry-lines\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>Contact Performance Plumbing today for plumbing services in St. Louis, MO today!<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn about different factors to consider when selecting a water heater that fits your family\u2019s needs.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[103,125],"class_list":["post-1484","post","type-post","status-publish","format-standard","hentry","category-water-heater-service","tag-ofallon","tag-water-heaters"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/posts\/1484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/comments?post=1484"}],"version-history":[{"count":7,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/posts\/1484\/revisions"}],"predecessor-version":[{"id":1763,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/posts\/1484\/revisions\/1763"}],"wp:attachment":[{"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/media?parent=1484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/categories?post=1484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.performanceplumbinginc.com\/blog\/wp-json\/wp\/v2\/tags?post=1484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}