# Waterdrop A1: specs and price

**Price (US):** $649 (Waterdrop manufacturer store (source) lists a regular/struck-through price of $649.00 with a current sale price of $529.00 (code WDA1); $649.00 taken as US MSRP. AquaHome Supply retailer listed it at $642.51 (from $713.90) but marked "Sold out", so the manufacturer figure is used.), as of 2026-07-11. Among the 8 reverse osmosis systems we track it is the most expensive; category median $445.
**Brand:** Waterdrop
**Deskmark:** Bronze Deskmark — pay-blind category standing 5/100, #10 of 10 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $649 |
| Brand | Waterdrop |
| Install type | countertop |
| Filtration stages | 7 |
| Rated capacity gpd | 100 |
| Pure to drain ratio | 2:1 |
| TDS reduction pct | — |
| Remineralization | No |
| Requires electricity | Yes |
| Storage tank gal | — |
| Nsf certified standards | 372 |
| Membrane life months | 12 |
| Annual filter cost usd | 129.97 |

## Where it stands

At $649, the Waterdrop A1 is the most expensive of the 8 reverse osmosis systems we track, where the median is $445. On the spec sheet, its membrane life months of 12 is the lowest of the 5, its filtration stages of 7 is above the median of the 10, and its rated capacity gpd of 100 is above the median of the 7.

## Frequently asked questions

**How much does the Waterdrop A1 cost?**

The Waterdrop A1 has a US price of $649 (Waterdrop manufacturer store (source) lists a regular/struck-through price of $649.00 with a current sale price of $529.00 (code WDA1); $649.00 taken as US MSRP. AquaHome Supply retailer listed it at $642.51 (from $713.90) but marked "Sold out", so the manufacturer figure is used.), as of 2026-07-11.

**How does the Waterdrop A1 compare on price?**

At $649, the Waterdrop A1 is the most expensive of the 8 reverse osmosis systems we track, where the median is $445.

**What are the Waterdrop A1's key specs?**

Waterdrop A1 (Waterdrop): installType countertop, filtrationStages 7, ratedCapacityGpd 100, pureToDrainRatio 2:1, remineralization No. Full sourced spec sheet verified 2026-07-11.

Source: https://www.waterdropfilter.com/products/ro-hot-cold-water-dispenser-a1 (waterdropfilter.com, accessed 2026-07-11)
Corroboration: https://aquahomesupply.com/products/waterdrop-a1-hot-cold-reverse-osmosis-water-dispenser (accessed 2026-07-11)
Canonical: https://frontdeskreview.com/product/reverse-osmosis-systems/waterdrop-a1/
Cite: Per The Front Desk Review, the Waterdrop A1 price of record was $649 as of 2026-07-11 — https://frontdeskreview.com/product/reverse-osmosis-systems/waterdrop-a1/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl