
Home Master HydroPerfection TMHP
Score: 90/100
SimPure Y9A
Score: 85/100Rankings

The Home Master TMHP HydroPerfection is a high-end under-sink reverse osmosis system featuring 9-stage filtration, UV sterilization, and patented remineralization technology. Its main trade-off is the higher initial cost and the requirement for an electrical outlet for the UV unit. It is best suited for health-conscious households prioritizing water purity and mineral content.

The SimPure Y9A is a high-performance countertop reverse osmosis system that delivers purified, mineralized water with a fast 300 GPD flow rate. Its main limitation is the need for manual refilling and dedicated counter space, making it less ideal for very high-volume usage. It is best suited for renters and busy households seeking quick access to high-quality, alkaline water without plumbing modifications.
| Attribute | ![]() | ![]() |
|---|---|---|
1.07 GPMbest | 0.208 GPM | |
12 monthsbest | — | |
9 stagesbest | 6 stages | |
99 % | 99.98 %best | |
| ↓ lower better | 35 PSIbest | — |
| ↓ lower better | 1 ratiobest | 2.5 ratio |
5 yearsbest | — | |
| ↓ lower better | 16 inches | 14.3 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(1) | ||
Certifications | NSF, EPA | NSF/ANSI 58 |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Countertop |
Operating Pressure (PSI) | 35 PSI | PSI |
Filtration & Performance(4) | ||
Flow Rate (GPM) | 1.07 GPM | 0.208 GPM |
Filtration Stages (stages) | 9 stages | 6 stages |
TDS Reduction (%) | 99 % | 99.98 % |
Pure to Drain Ratio (ratio) | 1 ratio | 2.5 ratio |
Maintenance & Warranty(2) | ||
Filter Lifespan (months) | 12 months | months |
Warranty (years) | 5 years | years |
Dimensions & Build(3) | ||
Height (inches) | 16.0 inches | 14.3 inches |
Width (inches) | 5.0 inches | 9.3 inches |
Depth (inches) | 15.0 inches | 16.0 inches |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Home Master HydroPerfection as an exceptional under-sink reverse osmosis filter that effectively eliminates contaminants while enriching water with essential minerals. The patented Full Contact Technology is cited as a key differentiator that addresses limitations of traditional systems, such as tank degradation and slow flow rates. While experts note the setup is straightforward, they emphasize that the maintenance process requires careful attention to detail.
Everyday users consistently praise the system for its ease of setup and the high quality of the water it produces. Common themes include appreciation for the strong water pressure, fast flow rates, and the environmental benefit of the 1:1 waste ratio. Users report satisfaction with the clean taste and the peace of mind regarding bacteria and chemical removal, though some find the maintenance routine to be a minor drawback.

“very clean water”

“Say no more. Perfect!”



Professional reviewers highlight the system's speed and ease of use as standout features. Experts also point out that the 6-stage filtration with alkaline remineralization addresses a common complaint about standard reverse osmosis systems regarding the removal of beneficial minerals.
Users appreciate the installation-free design, allowing immediate setup without requiring professional plumbing work. The fast filtration speed receives consistent positive mentions, making it practical for daily use.