The Best Hot Water Heater For Hard Water In 2023
By, Scott FisherUpdated
Summary
1. Best Overall: Rinnai V65eP Non-Condensing Propane Tankless Water Heater
The Rinnai V65eP Water Heater sets a new standard for the industry with its advanced non-condensing technology, which provides better performance in a smaller package. It features a compact layout and is ideal for space-constrained areas. The Rinnai V65eP is built with safety and dependability in mind, with features like auto shut-off for peace of mind. Read Review
2. Best For The Price: Bosch Thermotechnology Electric Mini-Tank Water Heater
You’ll never have to worry about running out of hot water again. The Bosch Thermotechnology Electric Mini-Tank Water Heater provides you with a convenient, reliable, and easy-to-install hot water heater that is installed vertically or horizontally. This 7-gallon unit is easily hard-wired for your convenience, ensuring an on-demand reliable water source for years. Read Review
3. Best Reliable: Stiebel Eltron Tankless Water Heater
The Stiebel Eltron Tankless Water Heater is the perfect solution for your home. No venting is required and a sleek design saves space, no matter what the temperature. It comes standard with an infinite timer option and an easy-to-read digital display so you can stay on top of your hot water supply. Read Review
4. Best Design: Thermoflow Electric Mini Tank Water Heater
The Thermoflow Water Heater is the perfect solution for your water heating needs. It features an advanced thermos top technology from Germany, which prevents overheating. With a built-in safety switch, this unit will automatically shut down if there is any electricity overload in your area. This tank also has an IPX24 rating, making it completely waterproof and suitable for outdoor use. Read Review
5. Best Compatible: FOGATTI Natural Gas Tankless Water Heater
FOGATTI Natural Gas Tankless Water Heater is the world's most advanced water heater. With the tankless design and "on-demand" hot water, you can enjoy unlimited use of hot water while the unit preheats in just 30 seconds. The tankless design means there are no bulky tanks to fill and maintain, so it's easier to keep your home clean and attractive. Read Review
In most homes, hard water is the leading cause of hair and skin problems. It’s also the number one cause of soap scum, lime scale, and mineral build-up. No wonder people are turning to high-quality hot water heaters in order to solve these problems once and for all.
If you’re looking for the best hot water heater for your home, then you’ve come to the right place! After all, there is a lot of confusion out there about which types of hot water heaters are best for a variety of different reasons. In this article, we'll explain everything you need to know about how to choose the right hot water heater for your home so that you don’t spend hours cleaning it, again and again, every week.
You can count on our team of experts who have spent over 17 hours conducting results through 1,074 real customer reviews. Because of this, We came to the conclusion that the best hot water heater for hard water is Rinnai V65eP Non-Condensing Propane Tankless Water Heater. And Bosch Thermotechnology Electric Mini-Tank Water Heater is another choice for you while keeping the product's quality and functionality.
Our Top Picks
- 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 RE160eP 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
- 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)
- 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 6.5 GPM (5 fixtures at once)
- IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
- EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
- CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
- RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
- INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
- Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence
- Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
- Sleek design saves space and no venting required
- On demand a continuous and unlimited supply of hot water
- ➤ NOTES - Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation. Dimensions: 18"H x 12.2"W x 11"D inches; Tank: 2.5 gallons; Connections: 1/2 inch NPT; 1.5 kW, 120 Volts. 13A. Cord plug-in.
- ➤Long Life - Stainless Steel tank do prevent corrosion from water, is not easy to bump and crack, is not easy to leak water, and be lighter, stronger, more durable.
- ➤ Safe & Reliable - overheating protection, auto cut-off electricity, IPX24 Waterproof, simple knob is easy to operate, suit for the sink of the kitchen, bathroom, bar, school, hospital, office, RV or etc.
- ➤Under Sink Heater- for the small place under the sink, it helps produce lasting stable water follows in the place where you need it. Temperature range 45°F-167°F (Relief Valve has been upgraded)
- ➤Save Energy - advanced thermostop technology from Germany results in low cost of standby loss power consumption and money. EPS foaming technology for better insulation. 1.5KW low-power.
- The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
- 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.
- Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
- 145,000 BTU high heating capacity and maximum 6.3 GPM. It is suitable for 2-3 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
- 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.
- 【INSTANT & SUFFICIENT HOT WATER】Applied with 9kW heating system, the electric tankless water heater ECO90B supplies instant & endless hot water of 116℉or higher temp, no waiting for preheat nor temperature fluctuations, perfect companion for sinks, bringing you perfect experience of comfort and relaxing.
- 【UPGRADED HEATING SYSTEM】Featuring micro-computer control and patent heating technology, ECO90B electric water heater promises no “cold water sandwiching”. And unique heating element avoids any corrosion inside pipes so as to extend service lifespan.
- 【CONVENIENT USE】The ECO90B electric tankless water heater comes with digital display & touch control panel so temp setting is an easy job. It's space saving, measuring: 15.4″(H) x 10.3″(W) x 2″(D). Plus it has a stylish, modern design that blends in any decor. Please verify it is the right size for you: 9kW@240V; pipes fittings: 1/2" NPT.
- 【SAFE AND DURABLE】Applied with multiple protection devices, every piece ECO90B tankless water heater goes through strict tests to ensure 100% safety. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【SMART SELF MODULATION】The on demand electric water heater ECO90B adjusts power input based on flow rate and temp setting in real time. As water flow reduces, power input decreases, thus you still get ideal, comfortable temp instead of scalding hot water. Optimal energy efficiency 99.8% saves considerable electricity charge per year.
- 【LIGHTWEIGHT & INSTANT HOT WATER】 Only weighing 9 lbs and energy-saving, this portable propane water heater is perfect companion for your journey. With maximum power output 34,000 BTU/HR, you can get 1.32 gallons endless hot water easily wherever you are. No need to preheat before operating the propane hot water heater. As soon as you turn on the tap, you will get water at the temperature you desire.
- 【FULLY EQUIPPED】 No need to look around for accessories! This portable tankless water heater comes with a CSA gas regulator, a high pressure shower head with a 5-foot(1.5 meters) stainless steel hose, an US universal gas connector(fitted already), 2 garden hose adapters, wrenches and fitting kits.
- 【EASY TO INSTALL & USE】 Started with 2.5 PSI low water pressure, this tankless water heater propane is good for RV camping, outdoor trip and washing pets. No electricity required, ignition of the propane water heater is with 2 pieces D cell batteries(not included). With the LED display, you can easily adjust the temperature to meet your need.
- 【100% SATISFACTION】 This on demand propane water heater is the real deal! We aim to ensure that every customer have a happy and worry-free purchase experience. If you have further query please feel free to contact us.
- 【5 SAFETY PROTECTIONS】 Designed with oxygen depletion safety shut-off protection, over-heating protection, anti- freezing protection(a drain plug to discharge residual water), flame failure device and dry combustion protection, the camping propane water heater aims to keep you and your family safe all the time.
- 【SAFE and DURABLE】Newly updated and applied with multiple protections, such as leakage protection, over heating protection and auto stop,every piece electric tankless water heater ECO140B goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.
- 【POINT of USE WATER HEATER】The sleek tankless water heater ECO140B is compact as shoes box, making it possible to install anywhere point of use to avoid waste, ideal for shower, kitchen, bar, school and hair salon. Please verify it is the right size for you: 14kW at 240V(only); dimensions 11.14" (W) x 15.87" (H) x 3.46" (D); plumbing connections :1/2" NPT. In order to install 14kW Tankless Water Heater it would requires 240 Voltage, 1X60AMP Double Pole Breaker and 1X6AWG/2 wires with Grounding.
- 【SELF MODULATION INSTANT WATER HEATER】The electric on demand tankless hot water heater ECO140B adjusts exact power input based on current flow rate and temp setting. For example, less power will be consumed by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 98% saves considerable electric charge for you.
- 【CONVENIENT USE】The electric tankless water heater 14kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240V water heater tankless, you needn’t go through hard lesson of setting. Now turn on the faucet and let the smart instant hot water heater do the rest.
- 【INSTANT & SUFFICIENT HOT WATER】 With real powerful 14kW smart heating system, the tankless hot water heater electric ECO140B supplies sufficient instant and endless hot water of 120℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for small apartment use, including shower, sink faucets, dishwasher, washing machine, etc.
- User Friendly - Touch control panel and digital temperature display, easy to set your desired temp. Lightweight and easy to install vertically facing up or down. Open tap to start the unit heating with activation flow rate of 0.4GPM.
- Safe & Healthy - ETL certified and equipped with Multiple Protection from leakage, dry fire, over-heating and over pressure. IP25 waterproof. Stainless steel heating element and no storage water, preventing sediment / scale build-up.
- Space Savings - 7.8W×6.3H×3.9D inch, compact small Point of Use water heater designed for Single Sink use, wall mounted fitting in small spaces throughout kitchen closet, bathroom sink, hair salons, bar counters and hotel receptions. Temperature ranges from 85°F- 131°F
- Self Modulating - On demand water heater automatically adjust the power based on the change of inlet water flow and temperature, saving up to 50% energy consumption and preventing over-heating.
- Important Note - Please verify this unit is the right size for you: 3.5kW@120V, requiring 40A Circuit Breaker, 9AWG wire size and 1/2"NPT water connections
- Instant Heating - 24 hours ready to continuously supply instantaneous hot/warm water at preset temperature throughout your home only when needed. NO standby energy consumption. NO wait for tank to fill up. MUTS HARD WIRED. Drawing only 110-120 Volts
- Safety protection: To ensure safety when you take a shower, it has multiple safety protections, such as over-heating protection, anti-freezing protection, flameout protection, dry combustion protection, incomplete combustion safety protection, low water flow protection, and high water pressure protection.
- Easy to install and use: Connect gas supply and water supply, no need to preheat, no need to wait. You and your lovely family lovely pet can enjoy an instant and on-demand hot water shower anywhere anytime. Fully adjustable heat and water flow.
- Power efficiency: The capacity of the gas water heater will be 6L (1.6 gallons)/min and the heat output is 36MJ per hour, which means low gas consumption can effort high efficiency on heater work.
- Saving energy: It has battery-operated automatic IC ignition, which means when you turn on the shower, the tankless water heater automatically ignites and when you finish bathing, the water heater turns off the flame automatically.
- Wide application: The portable inline water heater is perfect for an outdoor shower, camping shower, RV shower, outdoor pet shower, or road trip.
What Tips Are Recommended To Recognize Which Of best hot water heater for hard water Will Satisfy You Most?
Some people are apprehensive about purchasing best hot water heater for hard water. Numerous factors must be addressed while making a significant purchase. Our market expertise will help you make the best decision as soon as possible.
The thing has been added to the list of products that have been subjected to technical testing and evaluation. Please keep the following points in mind:
Digital Displays
Efficiency Rating
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.
Tankless Or Tank
Venting Needs
Anti-Scale Devices
Tank Capacity
Gas Or Electric
Brass Vs. Plastic Drain Valves
Space
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.
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 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.
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.
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.
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.
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.
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 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.
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.
In summary, we will update best hot water heater for hard water list as soon as new information is available. For the latest news, please visit our websites regularly or subscribe to our newsletter.
Please not feel hesitant to contact us if you have any queries or difficulties with best hot water heater for hard water. If you ask, we'll do everything we can to help!
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