
Home Master TMHP-L
Score: 92/100
Aquasana SmartFlow RO
Score: 92/100Rankings

The Home Master TMHP HydroPerfection is a premium under-sink reverse osmosis system featuring 9-stage filtration, UV sterilization, and a non-electric permeate pump for high efficiency. Its main trade-off is the requirement for an electrical outlet and adequate under-sink space for its modular design. It is best suited for eco-conscious households prioritizing water conservation and comprehensive pathogen elimination.

The Aquasana SmartFlow® Reverse Osmosis System is a high-efficiency under-sink unit that removes 99.99% of 90 contaminants while restoring beneficial minerals. Its SmartFlow technology addresses common RO drawbacks like water waste and short filter life. It is best for homeowners prioritizing water quality and health who want remineralized, alkaline water.
| Attribute | ![]() | ![]() |
|---|---|---|
0.96 GPMbest | 0.75 GPM | |
12 monthsbest | 12 monthsbest | |
9 stagesbest | 4 stages | |
99 %best | 96.4 % | |
| ↓ lower better | 35 PSIbest | 40 PSI |
| ↓ lower better | 0 micronsbest | — |
| ↓ lower better | 1 ratiobest | 1.5 ratio |
5 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(1) | ||
Certifications | NSF, EPA | NSF/ANSI 42, 53, 58, 401; WQA |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Under Sink |
Operating Pressure (PSI) | 35 PSI | 40 PSI |
Filtration & Performance(4) | ||
Flow Rate (GPM) | 0.96 GPM | 0.75 GPM |
Filtration Stages (stages) | 9 stages | 4 stages |
TDS Reduction (%) | 99 % | 96.4 % |
Pure to Drain Ratio (ratio) | 1 ratio | 1.5 ratio |
Maintenance & Warranty(1) | ||
Warranty (years) | 5 years | 2 years |
Dimensions & Build(2) | ||
Height (inches) | 16.0 inches | 12.93 inches |
Width (inches) | 5.0 inches | 4.5 inches |


Professional reviewers highlight the system's innovative modular design and exceptional efficiency as primary strengths. The combination of a non-electric permeate pump, UV sterilization, and remineralization is noted as a comprehensive solution that solves common problems found in traditional canister and tankless RO systems, such as leaks, slow flow, and high water waste.
User feedback indicates strong satisfaction centered on water quality, efficiency, and ease of maintenance. Customers frequently highlight the 1:1 wastewater ratio as a key selling point and value the remineralization feature for improving water taste. There is a lack of detailed negative feedback or recurring complaints in the available data.




Professional reviewers highlight the Aquasana SmartFlow® as a top-tier reverse osmosis system due to its exceptional contaminant removal capabilities and patented SmartFlow® technology. Experts emphasize that the system effectively mitigates common RO drawbacks like water waste and short filter life.
Users consistently praise the system for its high contaminant removal effectiveness, specifically noting the reduction of PFAS, lead, and fluoride. The compact design and easy, tool-free maintenance are frequently cited as major advantages for everyday use.