iSpring RCD100 Countertop RO with Hot Water review
By Daryna Klochko · Published · Specs checked Oct 14, 2026 · 
Scores 9.25/10, tied for 3rd of the 9 countertop RO systems we track. At $419.99 it costs more than the category median of $329. Its cartridge cost of about $80 a year is below the $100-a-year median of the 9 countertop RO systems with a stated cartridge cost.
You need a certified health claim: none was found for it, unlike 4 of the 9 countertop RO systems
- Price
- $419.99
- Certified for
- Brand claims only
- Flow
- Not stated
- Cartridge life
- 6-month cartridge
- Cost per year
- $80
- Warranty
- 1 year
Certification
No certifier listing found.
iSpring also claims Chlorine, Lead, PFOA/PFOS, Arsenic, Fluoride: 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 14, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 14, 2026 · all from ispringfilter.comFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Warranty: 1 year. Returns: 30 days. Shipping: not stated by the brand. Source: ispringfilter.com, checked Oct 14, 2026.
Source: ispringfilter.com, checked Oct 14, 2026.
Compared with similar countertop RO systems
All 9 countertop RO systems →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Bluevua ROPOT-Lite | $299 | Lead · Cadmium +2 | $108 | 1 year limited | 9.5/10 | Check price → |
| Express Water ROC001 5-Stage Countertop RO, Instant Hot | $299.99 | Brand claims only | $139 | 1 year | 8.75/10 | Check price → |
| Waterdrop M6SL Mineral Countertop RO | $329 | TDS | $70 | 1 year | 9.5/10 | Check price → |
| SimPure Y7P-BW Countertop RO | $369.99 | Brand claims only | $100 | 1 year | 9/10 | Check price → |
| iSpring RCD100 Countertop RO with Hot WaterTHIS MODEL | $419.99 | Brand claims only | $80 | 1 year | 9.25/10 | Check price → |