Welcome to Tankless Heater Guides

We’re your one-stop shop for everything you need to know about tankless water heaters. We are passionate about helping you navigate through your water heating journey, and take pride in giving you the best information possible.

We cover different topics such as informative guides and honest reviews.

We have quite a lot of content, so to help you navigate to the most important articles, I’ve put together a list of resources to help you learn about tankless water heaters, browse the best in the market, or troubleshoot common issues.

Product Reviews

We’ve curated a list of the best tankless water heaters in the market.


In order to get the most out of your tankless water heater, you can use recirculating pumps to improve the efficiency and performance. You will need to service it using flush kits to maintain the water flow. Here are some of the best recirculating pumps and flush kits that we’ve reviewed.


Common Questions

Here are some guides to help you troubleshooting and maintaining a tankless water heater.

If you have any questions, feel free to send us an email through the contact page.


Recent Posts

5 Best Electric Tankless Heater Thumbnail

The 5 Best Electric Tankless Water Heater (2025)

  Heya! if you’re thinking about switching to an electric tankless water heater, you’re likely in one of two camps: either your old system is on its last legs, or you’re eyeing a more efficient, space-saving …

Rinnai RX180iN Review Tumbnail

Rinnai RX180iN Review

Hey there, Adam here! In my line of work as a water heater consultant, I often get asked about the latest models on the market. Recently, I was managing a property up in the U.P. that …

rheem electric tankless water heater troubleshooting

Rheem Electric Tankless Water Heater Troubleshooting Guide

Tips for Rheem Electric Tankless Water Heater Troubleshooting If you’re lucky enough to own a Rheem electric tankless water heater, you have the convenience of an endless supply of hot water on demand. However, these appliances …

Tankless Water Heater Dripping from the Bottom

Stop the Drip! Uncovering the Mysteries Behind Tankless Water Heaters Dripping From the Bottom Tankless water heaters have significantly changed how homeowners obtain hot water, boasting many benefits such as energy efficiency, compact designs for all …

Troubleshooting a Tankless Water Heater Fluctuating Temperature

Having issues with a tankless water heater fluctuating temperature? Discover the common causes and solutions to keep your hot water running smoothly.

stiebel eltron tempra 24 plus

Stiebel Eltron Tempra 24 Plus Specs and Features

Stiebel Eltron Tempra 24 Plus Specs: The Ultimate Tempra 24 Electric Water Heater Review Stiebel Eltron, a pioneer in tankless water heating technology, is the name behind several renowned ventilation and heating systems. One example of …

siogreen tankless water heater

Siogreen Tankless Water Heater Review

Siogreen Tankless Water Heater Review: Is It Worth The Investment? As part of running Tankless Heater Guides, I’m always diving into tankless water heater brands and learning about what they offer. I recently came across SioGreen …

does a tankless water heater use more electricity

Does A Tankless Water Heater Use More Electricity?

Are you considering switching to a tankless water heater but concerned about how much electricity they use? You’re not alone. Many homeowners wonder if a tankless water heater will save them money on their monthly energy …

how many amps does a tankless water heater use

How Many Amps Does A Tankless Water Heater Use?

Are you considering purchasing a tankless water heater for your home? If so, you must know how much power the unit will require. Tankless water heaters have become increasingly popular due to their energy-saving design and …