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Comparison of Eccotemp Tankless Water Heater Price & Costs | Eccotemp System Buying Guide

Eccotemp tankless water heater price is $350 to $650 for the individual units without installation and up to $3,500 with installation.

Lower on this page, you’ll find the price range for each unit including installation. The wide price range is based on the fact that installation can vary greatly depending on how and where the unit will be installed in your home. Professional installation can cost anywhere from $300 to $3,000 or more, with the average cost around $1,700. Later we include some of the factors that can affect installation costs.

We also provide reviews for all of the Eccotemp tankless water heaters including efficiencies, gallons per minute (GPM) flow rate, and other important features.

All of the Eccotemp gas tankless water heaters use either natural gas (NG) or propane (LP).

Note on electric models: In the past, Eccotemp has made electric tankless hot water heaters, but all units are currently unavailable, which may be a supply chain issue.

Eccotemp also makes electric mini storage tank hot water heaters and propane fueled portable tankless water heaters.

Who Are Eccotemp?

Eccotemp is a family-owned company founded in 2004 and headquartered in Summerville, South Carolina.

Eccotemp literature states that the company uses the latest technology to engineer products that operate with maximum efficiency and are eco-friendly. Their products can be found at over 2,000 major independent retailers across North America, Europe, and Australia, including Amazon, Home Depot, Wal-Mart, and Sam’s Club.

Overview of Eccotemp Tankless Water Heaters

Eccotemp offers a variety of water heater choices that use natural gas or propane. As noted, electric units are not currently available, but it is unclear if they are discontinued or will be brought back at some point.  You’ll find small units which produce 4.0 gallons per minute (GPM) for small homes, like apartments or condos with one bathroom and units that produce 6.8 GPM for medium to larger size homes.

Eccotemp makes outdoor tankless water heaters that don’t need venting as well as indoor units that vent to the outdoors. The units are available with a variety of features including several with Smart Technology. They make fewer tankless water heater models than Rinnai or Rheem, for example. But the company manufactures enough models to cover most residential needs.

Here are the Eccotemp tankless water heater series with details about capacity and cost.

Eccotemp Gas Tankless Hot Water Heaters & Prices
Model # Installation Fuel GPM BTUs Unit Price Unit Price with Pro Installation
FVI12 Indoor Gas 4.0 25-74.5K $329 $800 – $1,800
i12 Indoor Gas 4.0 80K $399 $900 – $2,000
20HI Indoor Gas 6.0 150K $569 $1,100 – $2,300
20H Outdoor Gas 6.0 150K $569 $1,100 – $2,300
45H Outdoor Gas 6.8 140K $599 $1,400 – $2,500
45HI Indoor Gas 6.8 140K $599 $1,400 – $2,500
EL22i Indoor Gas 6.8 140K $639 $1,650 – $3,000
EL22i Outdoor Gas 6.8 140K $639 $1,650 – $3,000
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Outdoor vs Indoor Tankless Water Heaters

Eccotemp FVI12 Indoor

This unit features manual temperature control with digital display and includes a venting kit.

  • Type: Gas
  • Maximum BTUs: 25 – 74.5K
  • GPM: 4.0
  • Installed Price Range: $800 – $1,800

Eccotemp i12 Indoor

The i12 has sleek black tempered glass front panel, fully automatic temperature controls, a touch screen with LED display, and child-lock technology.

  • Type: Gas
  • Maximum BTUs: 89K
  • GPM: 4.0
  • Installed Price Range: $900 – $2,000

Eccotemp 20HI Indoor / 20H Outdoor

This unit is rated for medium size homes with 2-3 simultaneous use applications, holds a DOE Energy Factor of 83% efficiency, and features Smart Adjust technology.

  • Type: Gas
  • Maximum BTUs: 150K
  • GPM: 6.0
  • Installed Price Range: $1,100 – $2,300

Eccotemp 45HI Indoor / 45H Outdoor

The 45H models are 82% efficient, include Smart Adjust technology, and can be used in standard sized homes.

  • Type: Gas
  • Maximum BTUs: 140K
  • GPM: 6.8
  • Price Range: $1,400 – $2,800

Eccotemp EL22i Indoor / EL22 Outdoor

This unit includes a sleek, black tempered glass front panel with automatic temperature controls, an LED digital display with temperature and flow rates, and an Energy rating of 82%.

  • Type: Gas
  • Maximum BTUs: 140K
  • GPM: 6.8
  • Price range: $1,650 – $3,000

Eccotemp Electric Water Heaters with Mini Storage Tanks

While we focus mainly on tankless water heaters, these mini units are compact and can serve a single point of use, similar to electric tankless water heaters.

Eccotemp makes a variety of mini hot water heaters with storage tanks that can be installed at point of use such as under a sink. Mini hot water storage tanks provide instant hot water so there is no wait and therefore, waste, while the water gets hot.

They can be used alone in small living spaces like a cabin, tiny home, or camper or used in a larger home in conjunction with a standard water heating system. They are all electric and are meant to be installed indoors.

Eccotemp Mini Storage Tank Water Heaters & Prices
Model # Installation   Storage Efficiency Unit Price Unit Price with Pro Installation
ESH 2.5 – SmartHome Indoor Electric 2.5 Gallons 98% $199 $400 – $800
ESH 4.0 – SmartHome Indoor Electric 4.0 Gallons 98% $249 $500 – $1,500
EM 2.5 Indoor Electric 2.5 Gallons NA $179 $400 – $800
EM 4.0 Indoor Electric 4.0 Gallons NA $199 $500 – $1,500
EM 7.0 Indoor Electric 7.0 Gallons NA $229 $600 – $1,800

Eccotemp ESH-2.5 Smart Home Mini Tank

This electric mini tank is one of the most advanced on the market with Smart Home technology and voice commands compatible with Google and Alexa. The unit can be plumbed to 2 sinks and is energy rated at 98% efficiency.

  • Type: Electric
  • Heating Capacity: 1440 Watts
  • Storage: 2.5 Gallons
  • Price Range: $400 – $800

Eccotemp ESH-4.0 Smart Home Mini Tank

This unit includes the same features as the ESH-2.5 but can store 4 gallons of hot water and can be used in a small living space or plumbed into your existing hot water system to provide instant hot water whenever you need it. This unit is also energy rated at 98% efficient.

  • Type: Electric
  • Heating Capacity: 1440 Watts
  • Storage: 4.0 Gallons
  • Price Range: $500 – $1,500

Eccotemp EM-2.5 Mini Storage Tank Water Heater

The EM-2.5 will store 2.5 gallons of hot water and can be mounted on a wall or left free-standing. The hot water temperature can be set between 90F to 140F.

  • Type: Electric
  • Heating Capacity: 1440 Watts
  • Storage: 2.5 Gallons
  • Price Range: $400 – $800

Eccotemp EM-4.0 Mini Storage Tank Water Heater

This mid-size unit is a great choice for small homes, cottages, RV’s boats, and offices. It can be used to provide hot water to 2 or more sinks or plumbed in series with your existing hot water system.

  • Type: Electric
  • Heating Capacity: 1440 Watts
  • Storage: 4.0 Gallons
  • Price Range: $500 – $1,500

Eccotemp EM-7.0 Mini Storage Tank Water Heater

The EM-7.0 provides the same features as the EM-4.0, but with a 7.0 gallon storage tank. The unit can be used in small to medium living spaces or plumbed in series with your existing hot water system to provide instant hot water. Electric units can be wall mounted or free-standing and plug into standard 110/120v outlets.

  • Type: Electric
  • Heating Capacity: 1440 Watts
  • Storage: 7.0 Gallons
  • Price Range: $600 – $1,800

Eccotemp Features

All of the Eccotemp gas powered tankless water heaters are very efficient, rated at either an 82% or 83% efficiency. Many of the gas models come with an Advanced Generation 2 or Gen 3 computer board with “smart adjust” technology, and incoming and outgoing water temperature sensor for safety.

Most of the units also feature a touch screen with an LED digital display indicating the water temperature and GPM flow rate.

The SmartHome electric mini storage tank water heaters – ESH 2.5 and the ESH 4.0 both include smart button technology, voice commands, advanced diagnostics, usage stats, temperature pre-sets and are compatible with SmartHome technology including Google and Alexa.

Eccotemp EZ-Flush Descaler Kit

Eccotemp recommends descaling their tankless hot water heaters every 6 months to remove any scale, lime, or rust deposits inside any part of the water based equipment and keeps it operating at optimum levels.

The Eccotemp EZ-Flush System uses a non-toxic cleaner which is a certified safe for use with potable water. The system is easy to use and store, comes with complete instructions, and costs about $140.

Factors That Affect Installation Cost

Factors that affect the cost to professionally install a tankless water heater include whether the unit is an indoor or outdoor model. Indoor gas heaters will need to be vented to the outside. Installing the unit for a single point of use will be less expensive than installing plumbing for multiple points of use or pluming in series with an existing hot water system.

The gas models, as well as the electric models, require a 110/120v outlet, so if there is not one near the point of installation, one will need to be added which can affect the installation cost.

Note: Installation must be done following the recommended Eccotemp instructions or the warranty may be voided.

Special Pricing

There are a couple ways to save money on the cost of Eccotemp water heaters.

Bundle Packs

Eccotemp offers several ways to save money on their products including offering “Bundle Packs” which include tankless water heaters with various venting kits. Some bundles including the EZ-Flush Descaler Kit.

Scratch & Dent and Open Box

These choices include units that either have damage to the exterior, like dents and scratches, have been returned with an open box, or are refurbished units. All units are guaranteed to be in original working condition and retain their original warranties. The cost of these units has been reduced anywhere from 25% to 40%.

Warranty Information

The warranties on the gas units range from 2 years on the heat exchanger and parts, to 10 years on the heat exchanger and 5 years on parts. The electric models hold 5 year warranties. Visit the Eccotemp website for specific warranty information on each of the units at:  https://www.eccotemp.com/

Where to Purchase Eccotemp Products

All Eccotemp tankless water heaters can be purchased from the Eccotemp website and at a variety of local retailers, Home Depot, Lowes, Wal-Mart, and Sam’s Club. The portable tankless water heaters can also be purchased at Camping World.

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Corporate Contact Details

Eccotemp Systems, LLC

315-A Industrial Road

Summerville, SC    29483

Phone: 1-866-356-1992

You can also set up a call from a representative through the website.

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