A certified demand softener for one to four people that also reduces barium and radium, a plus on some well water.
Home Depot $489
A low cost metered softener for a small household on city or well water that wants the basics done cheaply. Buyers who want verified salt efficiency should look at a certified model.
- 32,000 grainsCapacity
- NoNSF/ANSI 44
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
- Among the cheapest metered softeners from a maker that publishes a manual and warranty
- Regenerates by metered water use, so it only spends salt after you have used the soft water
- Bypass valve comes in the box, so you can switch to hard water for repairs without shutting off the house
- No NSF/ANSI 44 certification, so its capacity and salt use are the maker’s own figures
- Aquasure publishes no system service flow or salt efficiency
- The 5 year valve warranty drops to 1 year unless you register within 60 days
The Aquasure Harmony family
Every Aquasure Harmony model we rank, smallest first. Ratings compare each against its own size.
| Model | Capacity | Rating | Price |
|---|---|---|---|
| Aquasure Harmony 32K (this one) | 32,000 grains | 3.2/5 | $523.29 |
| Aquasure Harmony 48K | 48,000 grains | 3.3/5 | $629.99 |
| Aquasure Harmony 64K | 64,000 grains | 3.2/5 | $749.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | AS-HS32D |
|---|---|
| Capacity | |
| Rated capacity | 32,000 grains |
| Resin | 1 cu ft |
| Control | |
| Valve | Aquatrol digital metered |
| Regenerates on demand | Yes |
| App or remote monitoring | No |
| Bypass valve included | Yes |
| Resin tank | 8 x 44 in |
| Certification and warranty | |
| NSF/ANSI 44 | No |
| Valve warranty | 5 years |
| Tank warranty | 10 years |
Alternatives in this size
A low-cost, NSF certified demand softener for a small household on city water, with excellent salt efficiency.
Blain's Farm & Fleet $469.99A premium small softener for buyers who want long warranty cover and lower salt use and will pay well above budget brands for it.
Amazon $1,159Compare
Compare the Aquasure Harmony 32K with any other water softener →
More from Aquasure: every Aquasure product ranked.