Smart technology is no longer limited to our phones, speakers, and thermostats; it has reached one of the most essential appliances in the home: the water heater. In 2025, smart water heaters will become a top choice for homeowners who want convenience, energy savings, and peace of mind.
But with so many options available, which smart water heater should you choose? And what exactly does a Wi-Fi enabled water heater do? Let’s dive into the best smart water heaters of 2025 and everything you need to know before buying.
What Is a Smart Water Heater?
A smart water heater is a modern appliance that connects to your Wi-Fi network, allowing you to control, monitor, and schedule hot water usage directly from your smartphone or smart home system.
Key Features of Smart Water Heaters:
- Remote control via mobile apps.
- Energy monitoring and usage tracking.
- Leak detection alerts.
- Maintenance reminders (e.g., flushing notifications).
- Smart scheduling for energy efficiency.
- Voice control integration with Alexa or Google Assistant.
In simple terms, it gives you control over your water heating system anytime, anywhere.
Best Smart Water Heaters of 2025
Here are some of the top-performing smart water heaters in 2025 based on features, efficiency, and user satisfaction.
a) A.O. Smith Signature 300 Electric Tank Heater
The A.O. Smith Signature 300 Electric Tank Water heater is a reliable option for homes requiring frequent hot water on a budget. It is priced at a 50-gallon model, around $ 600- $ 800, with a dual 5,500-watt element, 9-year warranty and energy star certification by a similar energy factor (UEF) by 3.84, which ensures energy efficiency. Its Wi-Fi-enabled iCOMM app allows remote monitoring, leak detection, and temperature adjustments, adding convenience and safety.
| Pros | Cons |
| ✅ Reliable Performance – Provides consistent hot water for medium to large households. | ❌ Not Tankless – Takes up more space compared to compact tankless models. |
| ✅ Durable Build – Made with high-quality materials designed for long lifespan. | ❌ Slower Recovery Rate – May take time to reheat water if demand is high. |
| ✅ Multiple Size Options – Available in 40, 50, and 55-gallon capacities. | ❌ Higher Energy Use – Tank-style heaters can be less energy-efficient than hybrid or tankless systems. |
| ✅ Easy Maintenance – Equipped with anode rod for corrosion protection and accessible drain valve for flushing. | ❌ No WiFi/Smart Features – Lacks remote monitoring and control compared to smart water heaters. |
| ✅ Affordable Price Point – More budget-friendly than hybrid or smart heaters. | ❌ Electric Only – May not be ideal for homes preferring natural gas models. |
| ✅ Good Warranty – Comes with a standard limited warranty for peace of mind. | ❌ Requires Dedicated Space – Installation needs adequate floor area and ventilation around the tank. |
READ MORE: How to Fix Low Water Pressure in Your Shower
b) Rinnai RXP160iN Tankless Gas Water Heater
Rinnai RXP160in is a high-demonstration tankless gas water heater designed to give continuous warm water on demand. With advanced efficiency technology, it reduces energy waste by offering WiFi connectivity for smart home integration. Ideal for families who want reliable, space-saving and environmentally friendly warm water solutions.
Pros & Cons Table:
| Pros | Cons |
| ✅ Endless hot water supply with tankless design | ❌ Higher upfront cost compared to traditional tank models |
| ✅ Compact and space-saving installation | ❌ Requires professional installation |
| ✅ Energy-efficient with reduced standby heat loss | ❌ May need gas line upgrade for older homes |
| ✅ WiFi-enabled for remote monitoring & control | ❌ Hot water delivery time can vary depending on distance from unit |
| ✅ Long lifespan (up to 20 years with maintenance) | ❌ Higher maintenance cost than standard tank heaters |
c) Rheem Ikonic SR Tankless Water Heater
Rheem Ikonic SR tankless water heater combines powerful performance with smart technology, making it one of the most advanced models in the lineup of Rheem. It provides accurate temperature control, underlying WiFi and energy efficiency, which is perfect for modern homes that give importance to convenience and stability.
Pros & Cons Table:
| Pros | Cons |
| ✅ Tankless design provides unlimited hot water | ❌ Expensive upfront investment |
| ✅ WiFi-enabled with smart app for scheduling and monitoring | ❌ May require professional installation and electrical upgrades |
| ✅ Energy-efficient with eco-friendly operation | ❌ Longer wait time for hot water in some setups |
| ✅ Sleek, modern design | ❌ Maintenance and descaling required regularly |
| ✅ Excellent for households with high hot water demand | ❌ More complex installation than tank models |
d) Rheem Performance Platinum Hybrid Water Heater
Rheem performance Platinum hybrid water heater is a top-rested hybrid electric model that combines heat pump technology with traditional electrical elements. It offers significant energy savings up to 75% less energy use while providing reliable hot water for families. This unit is ENERGY STAR® certified and includes WiFi connectivity for easy control.
Pros & Cons Table:
| Pros | Cons |
| ✅ Hybrid technology saves up to 75% on energy costs | ❌ Higher initial cost than standard electric heaters |
| ✅ WiFi-enabled with EcoNet app for remote control | ❌ Requires more installation space and proper ventilation |
| ✅ Large capacity options (50, 65, 80 gallons) | ❌ Not ideal for very small households with low hot water demand |
| ✅ ENERGY STAR® certified for maximum efficiency | ❌ Heavier and bulkier than tankless models |
| ✅ Excellent warranty coverage | ❌ Can be noisy when operating in heat pump mode |
READ MORE: How to Test a Water Heater Thermostat
Popular Smart Water Heaters in International Markets
While American brands dominate, other regions also have advanced smart geysers and Wi-Fi enabled models.
1. Havells Adonia-i
The Havells Adonia-i is a premium smart water heater that blends technology with elegance. It comes with a striking LED color-changing display that indicates the current water temperature, giving a stylish look to your bathroom. Built with advanced heating technology, it ensures quick heating and high efficiency.
Smart Features:
- WiFi-enabled remote control via Havells mobile app.
- LED color indicators to visually display water temperature (blue for cold, amber for warm, red for hot).
- Custom scheduling to pre-heat water at set times for convenience.
| Pros | Cons |
| Stylish design with LED indicators | Expensive compared to others |
| WiFi & app-based smart controls | Limited capacity options |
2. Racold Omnis Slim
The Racold Omnis Slim is designed for modern compact bathrooms, offering a sleek and space-saving build without compromising performance. It combines safety, energy efficiency, and comfort with intelligent heating solutions.
Smart Features:
- Smart Bath Logic lets you customize hot water usage based on individual needs.
- Eco Function for automatic energy savings.
- Safety Plus Technology with 3 layers of protection against overheating and pressure buildup.
| Pros | Cons |
| Slim, compact design for tight spaces | Not WiFi-enabled |
| Energy-efficient operation | Smaller capacity |
3. Panasonic Duro Smart
Panasonic Duro smart water heater is designed for durability and efficiency, which offers reliable warm water with smart feature. Its strong construction ensures long life by providing users with enhanced control over energy consumption.
Smart Features:
- Smart timer & temperature settings for scheduled heating.
- Eco mode to reduce energy waste.
- Advanced safety system against overheating and dry heating.
| Pros | Cons |
| Strong brand reliability | Fewer advanced smart features |
| Durable & efficient | Limited availability in some markets |
4. Haier Smart Series
The Haier Smart Series brings affordable smart technology to water heating. It features intelligent scheduling and remote control capabilities, making it a budget-friendly option for households looking for convenience without a high price tag.
Smart Features:
- Mobile app integration for remote control and scheduling.
- Custom heating modes to adjust water temperature as per need.
- Smart timer to ensure hot water is ready when required.
| Pros | Cons |
| Smart controls at budget price | May lack premium design |
| Good warranty coverage | Limited size options |
READ MORE: A.O. Smith Water Heater Age
5. Crompton Solarium Qube
Crampton Solarium Cube is a stylish and inexpensive water heater designed for urban homes. With a compact cube -like manufacture, it easily fits into small places, ensuring reliable and quick water heating.
Smart Features:
- Advanced heating element for faster water heating.
- Smart energy management system for reduced power consumption.
- Safety features to prevent overheating and pressure-related issues.
| Pros | Cons |
| Affordable and compact | No WiFi-enabled features |
| Fast heating performance | Basic compared to premium models |
Should You Upgrade Your Old Heater Instead?
If your current water heater is still in good condition but lacks smart features, you don’t necessarily have to replace it.
A smart controller attachment can convert a traditional heater into a Wi-Fi enabled one. These controllers allow you to:
- Monitor energy usage.
- Schedule heating times.
- Get leak or fault alerts.
- Save on electricity or gas bills.
It’s a budget-friendly option if you’re not ready to invest in a brand-new smart water heater.
Benefits of a Wi-Fi Enabled Water Heater
- Convenience – Control temperature and schedules directly from your phone.
- Energy Efficiency – Reduce bills by heating only when needed.
- Maintenance Alerts – Prevent costly breakdowns.
- Safety – Get instant notifications of leaks or overheating.
- Integration – Works with your smart home ecosystem.
Things to Consider Before Buying a Smart Water Heater
Before you invest, think about:
- Fuel Type (electric, gas, or hybrid).
- Tank vs. Tankless depending on household size.
- Installation costs (tankless may require additional upgrades).
- Smart ecosystem compatibility (Google, Alexa, Apple Home).
- Warranty coverage for both the heater and smart components.
Conclusion
Smart water heaters in 2025 are no longer a luxury; They are becoming standard options for modern homes. Whether you choose a powerful Raini tankless unit, a budget friendly AO. Green with Smith, or a hybrid rheem model, you will enjoy energy saving, convenience and more control over the warm water of your home.
If you’re not ready to replace your existing unit, consider adding a smart controller to enjoy many of the same features at a lower cost.
Hot water has never been this smart and in 2025, it’s one of the smartest home upgrades you can make.
FAQs
1. What is the best smart water heater in 2025?
The best overall for most households is the A.O. Smith Signature 300, while the Rinnai RXP160iN is ideal for large families who need endless hot water.
2. Do smart water heaters really save money?
Yes, smart scheduling and energy monitoring can save homeowners 10–30% on energy bills, especially with hybrid models.
3. Can I control a smart water heater when I’m not at home?
Absolutely. Most Wi-Fi enabled models allow remote access via smartphone apps.
4. Are smart water heaters compatible with Alexa or Google Home?
Many models integrate with voice assistants, letting you adjust temperature or modes using simple voice commands.
5. How long does a smart water heater last?
With proper maintenance, a tank-style smart water heater lasts 10–12 years, while tankless models can last 15–20 years.
