When it comes to selecting a new water heater for your home, the variety of options available can be overwhelming. Whether you’re replacing an old unit or installing one in a new property, understanding the different types of water heaters and their capacities is crucial. In this guide, we’ll briefly discuss the pros and cons of 40 gallon, 50 gallon, and tankless water heaters to help you make an informed decision. Take our interactive “Water Heater Buying Guide” quiz below to find the best type for your household needs.
Most Popular Types of Water Heaters
40 Gallon Water Heaters
Ideal for medium-sized households, 40 gallon water heaters strike a balance between adequate capacity and efficient use of space. These units typically serve families of 2-4 people and can handle several demands at once, such as running a shower and dishwasher simultaneously. They are available in both electric and gas models, offering flexibility depending on your home’s utilities. If your water usage is moderate and space is a premium, a 40 gallon unit might be perfect for you.
50 Gallon Water Heaters
For larger households with higher water demands, 50 gallon water heaters are an excellent choice. Suitable for families of 3-5 people, these water heaters can comfortably meet the higher hot water needs of multiple showers, laundry loads, and kitchen activities. They also come in electric and gas versions, providing consistent, reliable hot water. If your family frequently requires hot water from multiple sources at once, consider upgrading to a 50 gallon tank.
Tankless Water Heaters
Tankless water heaters, also known as on-demand water heaters, provide hot water only as it is needed, eliminating the need for a storage tank. These units are highly efficient, saving up to 30% more energy than traditional tank water heaters because they avoid the cost of maintaining the heat in a large volume of stored water. Although the initial installation cost is higher, the long-term savings on energy bills and the benefit of endless hot water make them a compelling choice for any household size.
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Chris G was amazing, professional and personable. He explained each step and what he was going to do and pricing to avoid any surprises. We were very pleased with his work and service. Would recommend him again.
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Max Izquierdo
17 September 2026
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Gabe Jimenes was the assigned service person. Gabe came in at the perfect time with great attitude. Got to work, and determined that there was no leak. Aaron services is the real deal!
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samanth marisetty
11 September 2026
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Tai was a super fact technician. Was able troubleshoot and fix the issues within no time. I recommend him for your plumbing help!!
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LaShona Bennett
11 September 2026
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Ty is the BEST PLUMBER!!!!!
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Susan Calhoun
10 September 2026
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Tai arrived quickly after I called, determined the problem and completed a quality repair. He gave me some tips about future problems to be aware of without trying to push. Nice guy, good work.
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Ariel Aragon
10 September 2026
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Called, very nice answering service. Fast schedule to come out. Chris G came out explained option and was jot pushy but EXTREMELY helpful!! THANK YOU CHRIS G!
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Roumen Vladimirov
9 September 2026
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Brandon T. Did a great and very professional job at my house. He arrived on time and handled the sink drain job with great skill. Thank you, Brandon.
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Derrick Cox
9 September 2026
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I really appreciate Dillon I have my Mom and Dad, Dad can't get around and Mom has trouble hearing I wasn't able to be there but talked with him on the phone he did a great job and I really appreciate how he treated my parents so respectful and he showed my Mom everything he did, they couldn't say enough good things about him. My first time using them and I will use them again for sure!
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Randall Schubert (Randy)
8 September 2026
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My tech was fantastic, worked long and hard and did a great job
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Carol Smith
8 September 2026
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Brandon T was a true Godsend! I am experiencing water leakage in my home which led to tremendous mold issues, putting me in a hotel. You can imagine as a mature, single lady that threw my life into turmoil! For four days, I heard everybody’s opinion of what it could be before everybody closed up for the long holiday weekend On Labor Day, my son reached out to get on somebody’s schedule for Tuesday, but to our surprise the phone was answered and a tech was sent out within 30 minutes. Thank God, it was Brandon T He found what nobody had been able to find after four days of talking!!!! Within minutes, he discovered the problem, corrected the problem which now is going allow me to get back with the insurance company to hopefully get their approval to take care of the remediation and the flooring. Words cannot express how grateful I am to Brandon! He came in calm, knowledgeable and determined to get this issue taken care of for me. And that he did! I will never forget how you turned everything around for me Brandon on that Labor Day!!! God bless you and your family.
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