Hard water can wreak havoc on your plumbing and appliances. Scale buildup, dry skin, and dingy laundry are just a few of the problems. A dual tank water softener offers a continuous supply of softened water, eliminating downtime for regeneration. If you’re tired of dealing with the negative effects of hard water and want a reliable, high-capacity solution, then a dual tank system could be the answer.
Here’s a quick look at our top picks:
- Fleck 9100SXT Dual Tank Water Softener: Best overall for performance and reliability.
- Aquasana Whole House Water Filter with Salt-Free Water Conditioner: Best salt-free option.
- AFWFilters AIS Mach Series Dual Tank Water Softener: Best for large households with very hard water.
- Whirlpool WHESFC Pro Series Hybrid Water Softener: Best hybrid (softener and filter) system.
- Springwell FutureSoft Salt Free Water Softener: Best for eco-conscious users.
Top 5 Best Dual Tank Water Softener Reviews
1. Fleck 9100SXT Dual Tank Water Softener
The Fleck 9100SXT is a workhorse known for its reliability and efficiency. It uses a metered regeneration system, meaning it only regenerates when needed, saving you salt and water. The digital SXT controller is easy to program and provides clear information about the system’s status. I remember helping my dad install a Fleck system years ago, and it ran flawlessly for over a decade.
Pros:
- ✅ On-demand regeneration saves salt and water.
- ✅ Durable and reliable Fleck valve.
- ✅ User-friendly digital controller.
Cons:
- ❌ Higher upfront cost compared to single-tank systems.
- ❌ Requires some plumbing knowledge for installation.
- ❌ Can be overkill for very small households.
Verdict: The Fleck 9100SXT is a top-tier choice for those who want a dependable and efficient dual tank water softener. It’s ideal for medium to large households with moderate to high water hardness.
2. Aquasana Whole House Water Filter with Salt-Free Water Conditioner
The Aquasana system provides whole-house filtration and salt-free conditioning. This is a great alternative if you’re concerned about the environmental impact of salt-based softeners or have dietary restrictions. This system doesn’t actually soften water, but it does prevent scale buildup by altering the molecular structure of the minerals. I know several people who swear by these types of systems for their ease of maintenance.
Pros:
- ✅ Salt-free operation is eco-friendly and requires no salt.
- ✅ Filters out chlorine, sediment, and other contaminants.
- ✅ Easy to install and maintain.
Cons:
- ❌ Doesn’t actually soften water (reduces scale but doesn’t remove minerals).
- ❌ May not be effective for extremely hard water.
- ❌ Replacement filters can be expensive.
Verdict: The Aquasana is a good option for those who want to filter their water and prevent scale buildup without using salt. It’s best suited for homes with moderately hard water and those looking for a low-maintenance solution.
3. AFWFilters AIS Mach Series Dual Tank Water Softener
The AFWFilters AIS Mach Series is built for households with high water consumption and very hard water. Its dual tank design ensures a continuous supply of softened water, while its high-capacity resin tanks can handle even the toughest water conditions. It comes with an advanced control valve for efficient regeneration and water usage. My neighbor had this installed after his old softener couldn’t keep up, and he’s been thrilled with the results.
Pros:
- ✅ High capacity for large households and very hard water.
- ✅ Continuous softened water supply.
- ✅ Efficient regeneration process.
Cons:
- ❌ Can be expensive.
- ❌ Requires professional installation due to its size and complexity.
- ❌ May be overkill for smaller homes with less severe water hardness.
Verdict: The AFWFilters AIS Mach Series is a powerful solution for large families with extremely hard water. If you need a heavy-duty softener that can keep up with high demand, this is an excellent choice.
4. Whirlpool WHESFC Pro Series Hybrid Water Softener
The Whirlpool WHESFC Pro Series combines water softening and filtration in one unit. This hybrid system not only softens water but also reduces sediment, chlorine taste, and odor. It’s a convenient option for those who want to improve both the quality and softness of their water. I’ve always liked the idea of combination units to save space and simplify maintenance.
Pros:
- ✅ Combines softening and filtration.
- ✅ Reduces chlorine taste and odor.
- ✅ Space-saving design.
Cons:
- ❌ Can be more expensive than separate systems.
- ❌ Filter replacement required.
- ❌ Softening capacity may be lower than dedicated softeners.
Verdict: The Whirlpool WHESFC Pro Series is a good choice for those who want a convenient all-in-one solution for water softening and filtration. It’s ideal for smaller households with moderately hard water.
5. Springwell FutureSoft Salt Free Water Softener
The Springwell FutureSoft system offers salt-free water conditioning, preventing scale buildup without the use of salt. It uses a proprietary technology to change the structure of hard water minerals, preventing them from sticking to pipes and fixtures. This is a great option for those who are environmentally conscious or have concerns about sodium intake. A friend of mine chose this system because of its eco-friendly features and has been very happy with it.
Pros:
- ✅ Salt-free and eco-friendly.
- ✅ Prevents scale buildup effectively.
- ✅ No salt to add or discharge.
Cons:
- ❌ Doesn’t actually soften water (reduces scale but doesn’t remove minerals).
- ❌ May not be as effective as salt-based softeners in very hard water conditions.
- ❌ Can be more expensive than some salt-based options.
Verdict: The Springwell FutureSoft is an excellent choice for those seeking a salt-free water conditioning system that is environmentally friendly and requires minimal maintenance. It’s best suited for homes with moderately hard water.
Buying Guide
Choosing the right dual tank water softener depends on several factors. Here are some things to consider:
- Water Hardness: Get your water tested to determine the level of hardness. This will help you choose a softener with the appropriate capacity.
- Water Usage: Consider your household’s water consumption. Larger families will need a higher-capacity system.
- Regeneration Type: Metered regeneration is more efficient than timed regeneration, as it only regenerates when needed.
- Salt-Free vs. Salt-Based: Decide whether you prefer a salt-free system or a traditional salt-based softener. Salt-free systems don’t actually soften water but prevent scale buildup.
- Budget: Dual tank water softeners can be expensive, so set a budget before you start shopping.
- Installation: Some systems are easier to install than others. Consider whether you’ll need professional installation.
- Certifications: Look for systems that are certified by organizations like NSF International to ensure they meet industry standards.
- Space: Dual tank systems take up more space than single-tank systems, so make sure you have enough room for installation.
FAQs
Q: How does a dual tank water softener work?
A dual tank water softener uses two resin tanks. While one tank is in service softening water, the other tank is either in standby mode or regenerating. This ensures a continuous supply of softened water, even during regeneration.
Q: What are the benefits of a dual tank water softener?
The main benefit is a continuous supply of softened water. This is especially important for large households or businesses with high water consumption.
Q: How often does a dual tank water softener need to regenerate?
The regeneration frequency depends on your water hardness and water usage. Metered systems regenerate only when needed, while timed systems regenerate on a set schedule.
Q: Are salt-free water conditioners as effective as salt-based softeners?
Salt-free conditioners prevent scale buildup but don’t actually remove the minerals that cause hardness. They are a good option for those who want to avoid salt but may not be as effective in very hard water conditions.
Q: Can I install a dual tank water softener myself?
Some systems are easier to install than others, but most dual tank systems require some plumbing knowledge. If you’re not comfortable with plumbing, it’s best to hire a professional.
Conclusion
Choosing the best dual tank water softener depends on your specific needs and circumstances. Consider your water hardness, water usage, budget, and preferences when making your decision. Whether you opt for a traditional salt-based softener or a salt-free system, a dual tank water softener can provide a continuous supply of softened water and protect your plumbing and appliances from the harmful effects of hard water. The Fleck 9100SXT remains a solid all-around choice, but the other options offer compelling alternatives depending on your priorities.
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