Home Master TMAFC-ERP
#10 in With tankFull review
For someone who wants low water waste and mineralized water without needing an outlet. Buyers who want an NSF/ANSI 58 certification should look elsewhere.
Amazon $419.90$419.90
The Home Master TMAFC-ERP is the better under-sink reverse osmosis system overall, rated 2.9 to 2.6. The Home Master TMAFC-ERP leads on filter cost and price. The Home Master TMAFC-ERP costs $80.05 less ($419.90 vs $499.95).
Home Master TMHP HydroPerfection
#14 in With tankFull review
For well water homes that want UV and an iron prefilter with low water waste. On treated city water the cheaper TMAFC-ERP does the same job.
Amazon $502.06 Home Master $499.95$499.95
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Home Master TMAFC-ERP for filter cost ($113 a year in replacement filters vs $163 a year in replacement filters) and price ($419.90 vs $499.95).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every with tank under-sink reverse osmosis system; a clear win is highlighted. How we rank explains each one.
| Factor weight | Home Master TMAFC-ERP | Home Master TMHP HydroPerfection |
|---|---|---|
| Overall rating | 2.9/5 | 2.6/5 |
| Certification 25% | 0 no third-party certification | 0 no third-party certification |
| Filter cost 20% | 49 $113 a year in replacement filters | 27 $163 a year in replacement filters |
| Water wasted 15% | 82 1:1 pure to drain | 82 1:1 pure to drain |
| Output 10% | 0 50 gallons a day | 0 50 gallons a day |
| Price 15% | 15 $419.90 | 0 $499.95 |
| Warranty 15% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Home Master TMAFC-ERP | Home Master TMHP HydroPerfection | |
|---|---|---|
| Filtration | ||
| Output | 50 gallons a day | 50 gallons a day |
| Pure to drain | 1:1 | 1:1 |
| Stages | 7 | 9 |
| Remineralization | Yes | Yes |
| NSF/ANSI 58 | No | No |
| Replacement filters | $113 a year | $163 a year |
| Build | ||
| Tank | 3.2 gal | 3.2 gal |
| Booster pump | No | No |
| Smart faucet | No | No |
| Warranty | 5 years | 5 years |