
Home Master HydroPerfection TMHP
Score: 90/100
Express Water Alkaline UV
Score: 88/100Rankings

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 Express Water 100 GPD system is a multi-stage under-sink water filtration unit that integrates reverse osmosis, UV sterilization, and alkaline mineralization to remove up to 99.99% of contaminants. It offers comprehensive purification for large households, though the slow flow rate and space requirements are notable trade-offs. It is best suited for large households (8+ people) seeking comprehensive water purification.
| Attribute | ![]() | ![]() |
|---|---|---|
1.07 GPMbest | 0.035 GPM | |
12 monthsbest | — | |
9 stages | 10 stagesbest | |
99 % | 99.99 %best | |
| ↓ lower better | 35 PSIbest | 40 PSI |
| ↓ lower better | 1 ratiobest | — |
5 yearsbest | 1 years | |
| ↓ lower better | 16 inchesbest | 19 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(1) | ||
Certifications | NSF, EPA | NSF |
Installation & Compatibility(1) | ||
Operating Pressure (PSI) | 35 PSI | 40 PSI |
Filtration & Performance(5) | ||
Flow Rate (GPM) | 1.07 GPM | 0.035 GPM |
Filtration Stages (stages) | 9 stages | 10 stages |
TDS Reduction (%) | 99 % | 99.99 % |
Micron Rating (microns) | microns | null microns |
Pure to Drain Ratio (ratio) | 1 ratio | null ratio |
Maintenance & Warranty(2) | ||
Filter Lifespan (months) | 12 months | null months |
Warranty (years) | 5 years | 1 years |
Dimensions & Build(3) | ||
Height (inches) | 16.0 inches | 19.0 inches |
Width (inches) | 5.0 inches | 14.0 inches |
Depth (inches) | 15.0 inches | 5.0 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 reviews are limited, but the product carries NSF certification for its reverse osmosis components, validating its contaminant reduction claims. The system is distinguished by its triple-technology approach, integrating UV sterilization and alkaline mineralization with standard RO filtration, placing it in the premium category for comprehensive purification.
Users generally rate the system highly, praising its ability to produce clean, great-tasting water and its comprehensive filtration capabilities. The automatic leak detection and easy installation are frequently highlighted positives.