The Best Tankless Water Heater For Well Water In 2023

Mark Bailey By, Mark Bailey
Updated
Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater
Image credit: Amazon.com

Summary

1. Best Overall: Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater

The Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater maintains a constant, low temperature by only heating when necessary to conserve energy. This saves you money and helps you avoid any nasty water scalding or frozen pipes. For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE180iN model. Read Review

2. Runner Up: iHeat Tankless S-9 Stainless Steel Enclosure

iHeat Tankless S-9 Stainless Steel Enclosure. The compact tankless model is manufactured in a heavy duty, ixp-4 water proof construction, boasting an electric tank less water heater that can also be used in highly sterile applications like commercial kitchens, hospitals, clinics, and even schools where cleanliness is of the highest importance. With its small size and powerful efficiency, the s series saves valuable space with any under counters installations, or even closets. Read Review

3. Best Capacity: Rinnai RL75iP Propane Gas Tankless Hot Water Heater

The Rinnai RL75iP tankless hot water heater is designed to be easy-to-install, eco-friendly, and energy efficient. This tankless hot water heater from Rinnai offers a circ-logic technology that matches your habits. It is the latest in non-condensing technology that speeds up service and installation. For the latest in non-condensing technology that speeds up service and installation, check out the new RE160iP model. Read Review

4. Best Adjustable: Natural Gas Tankless Water Heater

The Natural Gas Tankless Water Heater is a safe, energy-efficient, and cost-effective way to heat your water. This cost efficient solution to domestic heating is fast, easy, and can use any type of fuel. With its tankless design, you don't have to wait 30 minutes for pre-heating or worry about limited hot water availability. Read Review

5. Best Versatile: Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater is an energy efficient and space saving solution to living without running water. This tankless water heater can provide endless hot water on demand. It is compact and space saving and has a troubleshooting diagnostic code that allows you to monitor the unit’s function. Read Review

Having a well can be a blessing for some homeowners, but for many it can be a curse. Having an abundance of water in your yard can make it a great spot to spend time in, but it also means that you have a lot of maintenance with your well. You need to pump the water out when you’re not using it, and having a tankless water heater may be the best option for enjoying the benefits of your well without all of the hassle.

Having a tankless water heater in your home makes sense if you have limited storage space and want to maximize the amount of usable square footage inside. Tankless water heaters are also much more energy efficient than traditional ones, which could make up for any extra cost if you’re looking from an environmental standpoint.

We think the product that comes highly recommended for the best tankless water heater for well water is Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater. In case you need more alternatives and more in-depth guidance, you may explore the following.

Our Top Picks

  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE180iN model
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
TOP Choice #2 iHeat Tankless S-9 Stainless Steel Enclosure
Our Score:
9.7
IHeat Tankless
  • Water proof construction allows you to easily and safely control the temperature by using our water proof interactive touch pad
  • Heat tank less s series saves valuable space with its compact size, the s series compared to tank Type water heaters, is small enough to fit any under counters installations, or even closets
  • Heat tank less s series electric tank less water heater it’s manufactured in complete stainless Steel boasting an ixp-4 water proof construction
  • Heat tank less s series can also be used in highly sterile applications like commercial kitchens, hospitals, clinics, and even schools where cleanliness is of the highest importance
  • Heat tank less water heater saves you up to 60% on your water heating costs
TOP Choice #3 Rinnai RL75iP Propane Gas Tankless Hot Water Heater
Our Score:
9.6
Rinnai
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iP model
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Never Run Out of Hot Water with this Compact Propane Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
4 Natural Gas Tankless Water Heater
Our Score:
9.4
FOGATTI
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • Fogatti provide free replacement within 30 days, and 5 years warranty on heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs extra from 31 days.
  • Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
  • We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.
  • 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • Endless hot water, On-demand usage, Compact, Space saving, Energy conservation
  • Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions
  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes
  • Computerized safety features, No pilot light to have to worry about
  • Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel, Integrated controls and power cord as standard features
  • Instant Heating: ThermaCirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line
  • Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • 🎁【Important Tips】To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The gas water heater will "caught on fire "with improper operation. Always check gas leakage before operation.
  • 🎁【On Demand Hot Water】 Maximum power output 68,000BTU/Hr, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature. Low water pressure start up, just need 3.6 PSI of water pressure. 2.64 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
  • 🎁【Lightweight Portable Design】 Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping, to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a few minutes to install it. Or you can install it according to the instructions.
  • 🎁【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save more when you use our tankless water heater.
  • 🎁【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167 °F. Shut off gas supply automatically under unexpectable flameout.
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 157, 000 BTU (gas consumed per hour)
  • Fuel Type: Natural Gas
  • Recirculation pump ready kit ready
  • For use outdoors with freeze protection up to -30 degrees
  • This heater can be vented horizontally or vertically using 2" Solid Core Schedule 40 PVC/CPVC
  • Capacity Up to 3.4 GPM @ 45F Rise In Ambient Temperature
  • Back-draft prevention device and stainless steel horizontal vent pipe are included.
  • FREE SHIPPING
  • Condensing Technology - The EZ Ultra HE uses exhaust gas to preheat incoming water for added efficiency.
10 Propane Portable Tankless Water Heater Outdoor
Our Score:
8.6
CAMPLUX ENJOY OUTDOOR LIFE
  • Home-Style Hot Outdoor Shower. Camplux 2.64 GPM propane water heater with maximum power output 68,000btu/hour,delivering 2.64 gallons instant hot water wherever you are. The hot water heater has 100-185 ℉ wide temperature range then you can enjoy real hot camping showers along the seasons.
  • CSA Safety Standard -CSA safety standard approved propane tankless water heater has 6-in-1 safety protections.The internal microprocessor prevents the water temperature from going above +122 ℉,protecting your families and pets from scalds.
  • Easy to Operate. Camplux water heater comes with one-step quick connect gas regulator,11.5 feet extension shower hose,pressurizer water pump and pipe strainer. You can take the Camplux wherever you can take a propane bottle.
  • 3.6 PSI Low Water Pressure Start Up. Camplux propane water heater start up with only 3.6 PSI of water pressure, ensuring the water heater work at low water pressure and stable water flowing to meet a wide range of applications,including rural areas, RV's, remote cabins,tiny houses ,recreation.
  • Lightweight Portable Design- The camping water heater has compact size and weights 23 lbs for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.
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What to Look For in a best tankless water heater for well water?

You may know that shopping is one of the essential activities in a human being’s life. Selecting the best product will affect your daily life. However, which factors can make this purchase effective? If you are looking for best tankless water heater for well water for your demands, you will waste your time with incorrect data. But it would be best if you weren’t so nervous about that. We have a group of experts to research best tankless water heater for well water, and they’ve given reliable information.

There are lots of essential things you should keep in mind. On the other, just some of them are most focused. Here are the critical factors related to buying best tankless water heater for well water you may want:

Gas Or Electric

There are many factors that influence the choice of electric or gas-powered water heaters. These include local utility costs and personal preferences. People who want to save money upfront and those who don't have natural gas in their homes prefer electric water heaters. Gas heaters can be more costly upfront, but they will save you many hundreds of dollars per year depending on the energy cost in your region.

Digital Displays

Modern water heaters have digital controls, which allow homeowners to set up the heater to turn off when they are away from home. Although a digital display can increase the initial price of the heater, it also increases the heat efficiency, which ultimately saves money.

Tankless Or Tank

A tank water heater stores a set amount of hot water and is ready to be sent to several appliances simultaneously. The tankless heaters heat the water quickly and require less space than water heaters with tanks. One unit might not heat enough water for multiple fixtures simultaneously, so it is possible to purchase multiple water heaters.

Anti-Scale Devices

Some companies advertise that they can reduce mineral scale buildup by swirling water. Although scale may reduce the heater's life expectancy, it doesn't mean you have to spend a lot on fancy options. Look for one that comes with a 122023 warranty. This usually includes an element of a greater or lesser thickness.

Brass Vs. Plastic Drain Valves

A tank water heater has a drain valve located at the bottom that allows for the proper drainage of the tank. The valves can be used with standard garden hoses and made from brass or polyvinyl chloride (PVC). A brass drain valve is better than using plastic for hot water heaters, as brass is more resilient than plastic.

Space

A lowboy, or shorter water heater might be the best option if you don't have a lot to heat. They are smaller than average and can be used in small homes. You could also consider mini-tank or tankless water heaters. Although gas water heaters are bulky and heavy, it's possible to get smaller models. The size of electric water heaters is generally smaller. If you have limited space, tankless electric water heaters will be the most suitable option.

Tank Capacity

You should make sure your tank heater has enough hot water storage to provide heat for your entire family. Although tank heaters are capable of heating water at multiple locations simultaneously, they will require more time to heat the water. This could lead to unexpectedly cold showers.

Efficiency Rating

Efficiency ratings are a measure of how efficient water heaters actually heat water. An efficiency rating of.70 for hot water heaters means that 70% of energy used by them heat water.
The difference between electricity and gas rates means that this rating doesn't give a good indication of the cost you could expect to pay for the unit. A gas heater with a lower efficiency rating will be more efficient than one that uses electricity. However, gas heaters are mucher than electric ones.
Because they don't have to run constantly to heat water, tankless heaters are significantlyer than storage tanks heaters. A tankless water heater can cut down on your energy bills by up to 40% depending on how much hot water you use. To determine the impact on your budget, it is better to calculate the annual operating cost for the hot water heater.

Venting Needs

Electric water heaters do not require venting, so they can be placed in any place in your home. When they heat up, gas hot water heaters emit carbon monoxide and other harmful gases. These heaters use a ventilation system made up of pipes and conduits that removes these byproducts. Gas heaters require venting, take up more space, and are less suitable for homes than electric water heaters.

FAQs

How Long Does A Water Heater Last?

Although water heaters come with varying lifespan expectations, many can last for between 8-12 years. Some water heaters can last up to 20 years. Your water quality can make a difference in how long your heater will last. Over time, corrosion can occur from heavy minerals or sediment.
Depending on which model you select, the manufacturer may offer different warranty terms. The most common warranty period is usually between 6 and 9 years.

Gas Vs Electric Water Heaters: Which Is Right For You?

It's not cheap to install a water heater in your house. This is why it's important that you take some time thinking about how to charge your appliances. First, electric heaters offer the most sustainable option for the environment. If you choose one, it will be a better choice for your planet. Although electric water heaters work better, the price of electricity is higher than that of traditional gas options. You can still use your gas heater even if there is no power, so you have less to worry about during a crisis.

What Is The Best Compact Water Heater For Saving Space?

Mini-tank or tankless water heaters are compact and light, which makes them great for small homes that have less space.

Can Water Heaters Explode?

Electric and gas hot water heaters are susceptible to explosions. Explosions are rare, but can be caused by increased pressure in the heater, poor installation or maintenance, failure to set the temperature and relief valve (T & P), gas heaters, flammable liquids, or gas leaks.

Can You Still Shower If Your Water Heater Is Leaking?

You can still take a hot shower even if your water heater is leaking. You can shower even if the leak becomes severe. It will just mean that you won't get hot water.

How Often Should I Replace My Water Heater?

According to professionals, your water heater should be replaced every 10 years. A water heater cannot be guaranteed for this long. It is possible that your water heater will need to be replaced sooner than expected.

How Do You Drain A Water Heater?

First, drain the hot water heater by flushing it with water at full pressure. After connecting the drain line, open the drain valve and close it again. The valve will dislodge any sediment, allowing the system to drain faster.
Then, disconnect your water heater from either the electric or gas power supply and shut down the main water supply. Next, disconnect the drain hose from the quick flush and open the drain valve. Once you let air in the tank, water will not flow out. You will need to remove the hot water pipe from the top of the water heater, and then move the pipe to the side. You will see the tank begin to drain.

What Is A Water Heater?

A boiler is often confused with a water heater. What is the difference between a boiler and a water heater? A water heater heats water to be used for showering, cooking, cleaning, or other purposes. The water heater heats cold water coming from the water supply pipe. It then gives you hot water ready to use for washing your clothes or running a faucet. Water heaters use water that's suitable for cleaning and cooking (potable). A boiler, on the other hand is designed to heat your home and heat water from the taps.

How Do Water Heaters Work?

A tank-style water heater uses a dip tube that has an outlet in the bottom to heat the cold water. The tank's temperature is monitored by an internal thermostat which activates either a heating element, or a burner that warms water to the desired temperature.
Dual heating elements are used in electric water heaters to heat the water. The bottom heating element heats the coldest water faster, while the top one warms the water if it becomes too hot.
A pilot light, or electronic ignition system for gas water heaters ignites the gas that is flowing to a burner. Before shutting off, the burner heats water in the tank until it reaches a desired temperature. The exhaust is then vented outside.
Water heaters that are tankless don't keep water. They heat the water by using either electric or gas heating elements. The temperature of the hot water is a factor in how fast it flows, however most units are capable of providing hot water at a flow rate between 2 and 7 GPM.

What Are The Signs Your Hot Water Heater Is Going Out?

A failing water heater can be identified by a series of telltale symptoms, such as banging sounds inside the tank and a decrease in temperature.

Overall, the statistics we described here are not all of them. Instead, we always freshen it up continually as the data is updated and available. It would be best to remember things we mentioned above, including brand’s value, product’s value, product’s highlights, important specs, customer ratings & reviews. 

Our readers, you guys, are always respected and treated with top priority so that you are supposed to receive the most up-to-date information on our site. You should feel free to contact us for support with the product’s problems. Thanks for reading, and we wish you a happy shopping.


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About Mark Bailey

Mark Bailey
Mark Bailey is a freelance writer with a particular interest in home improvement, home design and gadgets. He has written for a number of online publications and enjoys sharing his passion for all things DIY with others. When he's not writing, Mark can usually be found elbow-deep in a home renovation project or spending time with his wife and two young children.

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