Top Tankless Water Heaters 2023: Whole Home to Tiny Living

Top Tankless Water Heaters 2023: Whole Home to Tiny Living

In an era where energy efficiency and space optimization are paramount, tankless water heaters have emerged as a revolutionary solution for meeting hot water demands. As we delve into the year 2023, it's time to explore the top tankless water heaters from Eccotemp that cater to different usage scenarios, from whole homes and mid-size homes to tiny living spaces and commercial establishments. Each model has a propane tankless water heater and a natural gas tankless water heater to choose from, depending on your preference and area requirements. In this blog, we'll break down the best options available in each category, highlighting their features, benefits, and overall performance.

1. Whole-home Tankless Water Heaters

Experience the ultimate level of home comfort through our selection of Whole Home Tankless Water Heaters, available in 6.5, 6.8, and 7.0 gallons per minute (GPM) variants. They are designed to cater to varying household sizes and needs, and these tankless water heaters guarantee uninterrupted hot water flow.

6.5 GPM Tankless Water Heaters: With precision temperature control and energy efficiency, the 6.5 GPM option offers an economical solution for optimized hot water usage. Available in propane tankless water heater and natural gas tankless water heater.

7.0 GPM Tankless Water Heaters: You can select between liquid propane tankless water heater and natural gas tankless water heater. The 7.0 GPM tankless water heaters are perfect for larger households and ensure luxurious comfort by consistently delivering hot water, even during periods of high demand. Enjoy efficient energy usage, compact design, and reduced utility bills.

6.8 GPM Smart Home Tankless Water Heaters: Discover the newest model, the Smart Home 6.8 GPM Tankless Water Heaters - a revolutionary all-in-one smart solution rated at an impressive 6.8 GPM. Experience limitless comfort, smart technology with voice control, effortless monitoring via the Eccotemp Smart app, and sleek outdoor design. Available variants: Indoor (SH22i-LPSH22i-NG) and Outdoor (SH22-LPSH22-NG). Elevate your home with endless hot water and cutting-edge convenience.

2. Mid-size Home

4.0 GPM Tankless Water Heaters: You have a choice between two models: the FVi12 series (FVi12-LPFVi12-NG) and the i12 series (i12-LPi12-NG). Both of which incorporate a liquid propane tankless water heater and a natural gas tankless water heater. They are thoughtfully designed to enhance your living space. These tankless water heaters strike the ideal balance between performance and space, making them a perfect fit for a mid-sized home, condo, apartment, or cabin. The 4.0 GPM model ensures a continuous supply of hot water, catering to your daily needs while optimizing energy consumption. Say farewell to bulky water heaters and hello to a space-saving, energy-efficient solution tailored to your lifestyle.

6.0 GPM Tankless Water Heaters: Effortlessly handles busy family routines, allowing multiple tasks like showers and laundry to run simultaneously. Choices include a tankless water heater powered by liquid propane or natural gas with a 6.0 GPM flow rate, these water heaters provide enough hot water to simultaneously supply multiple fixtures, ensuring a comfortable experience throughout the home. The compact design allows for easy installation, while advanced energy-saving technology ensures that you only heat the water you use, cutting down on utility costs. Opt for Eccotemp's 6.0 GPM Tankless water heaters and elevate your mid-sized home's comfort, functionality, and sustainability to new heights.

3. Tiny living spaces

4.0 GPM Tankless Water Heaters: When it comes to small living spaces, Eccotemp's i12 series (i12-LPi12-NG) are the go-to option. A perfect match for tiny homes, where space is at a premium and efficiency is key. With their compact and sleek design, these heaters can be mounted virtually anywhere, saving valuable floor space without sacrificing performance. With a flow rate of 4.0 GPM, it ensures a consistent supply of hot water on demand, whether for a refreshing shower or washing dishes. Moreover, Eccotemp's energy-efficient technology helps reduce utility bills, aligning perfectly with the sustainable living ethos of the tiny home community. Experience the comfort and convenience of endless hot water with Eccotemp's 4.0 GPM Tankless water heaters, tailored to fit the unique needs of your tiny home.


As we navigate the ever-evolving landscape of home water heating solutions, tankless water heaters have emerged as a beacon of efficiency and comfort. In 2023, these remarkable appliances will continue to redefine our hot water experience, catering to diverse needs and lifestyles. Whether you're in pursuit of whole-home luxury, mid-size versatility, tiny living practicality, or commercial efficiency, the top tankless water heaters of the year have got you covered. Embrace the future of tankless hot water heater and elevate your comfort, efficiency, and quality of life with these cutting-edge innovations.

Find The Right Water Heater

Our agents are here to help find the right water heater for your installation and needs. Tankless water heaters are not a one size fits all!

  • sh22 natural gas tankless water

    Smart Home 6.8 GPM Outdoor Tankless Water Heater, SH22 Series

    "Great value. If you compare the features with any other brands, you will not find another value. I’ve been extremely impressed with this unit."

    - Adam V.
  • 45hi natural gas tankless water

    6.8 GPM Indoor Tankless Water Heater, 45 Series

    "Saved The Day! We had a very old water heater that was notorious for taking 1 minute to get hot in the shower, the 45HI-NG has the shower hot in 10 seconds! Thank you Eccotemp!"

    - Tyler C.
  • esh-2-5 mini tank water heater

    Smart Home 2.5 Gallon Electric Mini Tank Water Heater

    "Great price, fast delivery. I installed the unit under the kitchen sink. From opening the box, plumbing and connecting via Wifi were no more than 60 mins. I'll monitor the daily KW usage. Strongly recommend trying this unit."

    - Wade T.
  • shlx tankless water heater

    L5 1.5 GPM Portable Outdoor Tankless Water Heater

    "We love ours. Imagine cool weather with muddy 4 wheelers, muddy dogs, muddy kids, & gear...well that would destroy a normal weekend but not ours. We love taking warm showers and cleaning up with ours! It truly has been a game changer."

    - Mark F.
  • 6gb natural gas tankless water

    Builder Series 6.0 GPM Indoor Tankless Water Heater

    "Cannot be happier with this water heater. My family came home from a long weekend and we all were in desperate need for showers. Family of five showered back to back with no issues. Thanks for making life that much easier!"

    - Ron S.
  • sh22 liquid propane tankless water

    Smart Home 6.8 GPM Outdoor Tankless Water Heater, SH22 Series

    "Works great. Love it, does great for a family of 4, love the app and how you can adjust temp from phone. Works great for younger kids."

    - Redd
  • em-7-0 mini tank water

    Under Sink EM-7.0 Gallon Electric Mini Tank Water Heater

    "This guy recuperates in 20 minutes or less... Easily installs and works on 120 volts with very low power consumption and you do not have to wire up for high amps or a 240 line. I highly recommend this unit."

    - Louis G.
  • el10 portable tankless water

    Luxé 3.0 GPM Portable Outdoor Tankless Water Heater

    "Quickly heats water. I like the thermostat with digital reading of water temperature. Has ample pressure and never ran out of warm water rinsing my horse whose reaction was that he liked the warm water."

    - Betty S.
  • el22i natural gas tankless water

    6.8 GPM Indoor Tankless Water Heater, EL22 Series

    "Great buy! Great purchase! Installation was quick and easy. Highly recommend!"

    - John C.
  • i12 liquid propane tankless water

    4.0 GPM Indoor Tankless Water Heater, i12 Series

    "I installed the unit a month ago with some fantastic tech support. Over all I am very happy with the performance of the heater and would recommend this unit to anyone."

    - Marc D.
  • esh 2 5 mini tank water

    Smart Home 2.5 Gallon Electric Mini Tank Water Heater

    "Look and size of the hot water heater is perfect if you are adding this to a work shop or bathroom. This water heater uses Wi-Fi so you can connect to Alexa and ok Google. Very nice packaging and very clear, easy to follow directions."

    - Matt
  • el7 portable tankless water

    Luxé 1.85 GPM Portable Outdoor Tankless Water Heater

    "Great Portable Water Heater. Delivers functionally and aesthetically. Very easy to set up and came with everything I needed. Well constructed and I like that I can easily see the water temp. Look forward to years of use."

    - ARS