{"id":1688,"date":"2025-03-17T10:21:15","date_gmt":"2025-03-17T14:21:15","guid":{"rendered":"https:\/\/www.schoenwaldercorp.com\/blog\/?p=1688"},"modified":"2025-11-03T10:56:35","modified_gmt":"2025-11-03T15:56:35","slug":"what-size-indirect-water-heater-do-i-need","status":"publish","type":"post","link":"https:\/\/www.schoenwaldercorp.com\/blog\/water-heater-service\/what-size-indirect-water-heater-do-i-need\/","title":{"rendered":"What Size Indirect Water Heater Do I Need?"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-medium\"><a href=\"https:\/\/www.schoenwaldercorp.com\/blog\/wp-content\/uploads\/2022\/10\/how-do-you-know-if-you-need-furnace-repairs.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"300\" src=\"https:\/\/www.schoenwaldercorp.com\/blog\/wp-content\/uploads\/2022\/10\/how-do-you-know-if-you-need-furnace-repairs-300x300.jpg\" alt=\"white-question-mark-on-blue-circle\" class=\"wp-image-1350\" srcset=\"https:\/\/www.schoenwaldercorp.com\/blog\/wp-content\/uploads\/2022\/10\/how-do-you-know-if-you-need-furnace-repairs-300x300.jpg 300w, https:\/\/www.schoenwaldercorp.com\/blog\/wp-content\/uploads\/2022\/10\/how-do-you-know-if-you-need-furnace-repairs-150x150.jpg 150w, https:\/\/www.schoenwaldercorp.com\/blog\/wp-content\/uploads\/2022\/10\/how-do-you-know-if-you-need-furnace-repairs.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/figure><\/div>\n\n\n<p>Choosing the right size indirect water heater for your home is essential for ensuring you have enough hot water without wasting energy or money. If you&#8217;re considering making the switch, you might wonder: how do I determine the right size for my needs?<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">How Indirect Water Heaters Work<\/h2>\n\n\n\n<p>Before we dive into sizing, it\u2019s important to understand how indirect water heaters work. Unlike traditional water heaters, which use gas or electricity to heat water directly, an indirect water heater relies on your home\u2019s boiler. It uses a heat exchanger to transfer warmth from the boiler to a storage tank, providing hot water for your household needs.<br><br>Since indirect water heaters don\u2019t need a separate fuel source, they can be more energy-efficient, especially if you already have a high-efficiency boiler. But you need the right size tank to get the most out of your system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Factors to Consider When Choosing the Right Size<\/h2>\n\n\n\n<p>When determining what size indirect water heater you need, consider the following:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Household Size and Hot Water Demand<\/h3>\n\n\n\n<p>The number of people in your home and their daily routines play a big role in determining the right size. Here\u2019s a rough guide based on typical usage:<\/p>\n\n\n\n<ul>\n<li><strong>1-2 people: <\/strong>30\u201340 gallons<\/li>\n\n\n\n<li><strong>3-4 people:<\/strong> 40\u201360 gallons<\/li>\n\n\n\n<li><strong>5+ people:<\/strong> 60+ gallons<\/li>\n<\/ul>\n\n\n\n<p>If your household takes multiple showers in a row, runs the dishwasher frequently, or does a lot of laundry, you may want to size up.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Boiler Capacity<\/h3>\n\n\n\n<p>Your boiler needs to be able to supply enough heat to keep up with demand. If your boiler is undersized, a larger water heater won\u2019t perform efficiently. Be sure to check your boiler\u2019s BTU (British Thermal Unit) rating and consult a professional to ensure compatibility.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. First-Hour Rating (FHR)<\/h3>\n\n\n\n<p>The first-hour rating (FHR) tells you how much hot water the heater can deliver in an hour. If you have a high-demand household, look for an indirect water heater with a higher FHR to ensure you don\u2019t run out of hot water when you need it most.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why an Indirect Water Heater Is a Smart Choice<\/h2>\n\n\n\n<p>Many homeowners choose indirect water heaters because they provide reliable hot water while being more efficient than standalone tanks. They have fewer parts that can break down, leading to lower maintenance costs over time. Plus, if you live in a cold climate, your boiler is likely running for heating anyway\u2014so using it to heat water makes sense.<br><br>If you&#8217;re looking for<a href=\"https:\/\/www.schoenwaldercorp.com\/service-areas\/springfield\" target=\"_blank\" rel=\"noopener\" title=\" indirect water heaters in Springfield,\"> indirect water heaters in Springfield,<\/a> it\u2019s always best to consult with a professional to ensure you get the right size and setup for your home.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Need Help Choosing the Right Indirect Water Heater?<\/h2>\n\n\n\n<p>Selecting the right size water heater can feel overwhelming, but you don\u2019t have to figure it out alone. At Max Sr &amp; Paul Schoenwalder Plumbing, Heating, and Air Conditioning, A Corp., we\u2019ve been helping homeowners find the best solutions for their hot water needs for over a century.<br><br>Established in 1912, Max Sr &amp; Paul Schoenwalder Plumbing, Heating, and Air Conditioning, A Corp. is your trusted resource for reliable plumbing services in Springfield. <strong><a href=\"https:\/\/www.schoenwaldercorp.com\/contact\/send-message\" target=\"_blank\" rel=\"noopener\" title=\"Call us today!\">Call us today!<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;re considering making the switch, you might wonder: how do I determine the right size for my needs?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[86],"tags":[252,91],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/posts\/1688"}],"collection":[{"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/comments?post=1688"}],"version-history":[{"count":19,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/posts\/1688\/revisions"}],"predecessor-version":[{"id":1916,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/posts\/1688\/revisions\/1916"}],"wp:attachment":[{"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/media?parent=1688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/categories?post=1688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schoenwaldercorp.com\/blog\/wp-json\/wp\/v2\/tags?post=1688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}