APEC Water ROTL-A1000 Tankless Reverse Osmosis review
By Daryna Klochko · Published · Specs checked Oct 15, 2026 · 
Scores 9.75/10, tied for 1st of the 20 RO systems we track. At $599 it costs more than the category median of $459.99. IAPMO lists it for PFOA/PFOS, TDS, one of 12 RO systems out of 20 with a certifier listing for a health claim. APEC Water also claims Chlorine, Lead, VOCs, Arsenic, which are not in the listing.
- Price
- $599
- Certified for
- PFAS · TDS
- Flow
- Not stated
- Cartridge life
- 12-month cartridge
- Cost per year
- $192
- Warranty
- 1 year (limited)
Certification
Listed by IAPMO under NSF/ANSI 58 for PFOA/PFOS, TDS, checked Oct 15, 2026. APEC Water also claims 4 more substances that are not in the listing. Search the IAPMO listings
- PFOA/PFOS
- TDS
APEC Water also claims Chlorine, Lead, VOCs, Arsenic: brand claims, not in a certifier listing.
The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 15, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 15, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
1 year limited; 2 years if registered within 8 weeks.
Warranty: 1 year limited; 2 years if registered within 8 weeks. Returns: 30 days. Shipping: not stated by the brand. Source: apecwater.com, checked Oct 15, 2026.
Source: apecwater.com, checked Oct 15, 2026.
Compared with similar RO systems
All 20 RO systems →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| A. O. Smith AOS-DFRO800 Tankless Reverse Osmosis | $474.99 | TDS | $290 | 2 years limited | 9/10 | Check price → |
| Brio G20-U ROSL700 Tankless Reverse Osmosis System | $499.99 | Brand claims only | $340 | 1 year (limited) | 8.75/10 | Check price → |
| APEC Water ROTL-A1000 Tankless Reverse OsmosisTHIS MODEL | $599 | PFAS · TDS | $192 | 1 year (limited) | 9.75/10 | Check price → |
| Kohler Aquifer RO (K-22155) | $648.75 | Lead · Cysts +13 | $656 | 5 years limited | 9.25/10 | Check price → |
| Pentair FreshPoint GRO-575 5-Stage Reverse Osmosis | $669.29 | Lead · Cysts +14 | $238 | 1 year | 9.25/10 | Check price → |
What owners say
Checked Oct 15, 2026Reviews only on the brand's own site. In our score this is 1.75 of 2 points. How we score
Store ratings change over time; the date shows when we checked.