
Home Master HydroPerfection TMHP
Score: 92/100
VonWater 800GPD
Score: 92/100Rankings

The Home Master TMHP HydroPerfection is a 9-stage under-sink reverse osmosis system that utilizes patented Full Contact Technology to remineralize water with calcium and magnesium. It features a non-electric permeate pump for a 1:1 waste ratio and an EPA-registered UV LED sterilizer to eliminate bacteria and viruses. Best suited for health-conscious households prioritizing water purity and mineral content.

The VonWater V2-800N is a high-capacity, tankless reverse osmosis system that delivers 800 GPD with a highly efficient 2:1 wastewater ratio. It features a compact design that saves space and NSF/ANSI 372 certification for safety, though it requires an electrical outlet and professional-grade installation. It is best suited for households with high water needs and limited cabinet space.
| Attribute | ![]() | ![]() |
|---|---|---|
9 stagesbest | 7 stages | |
75 gallons per day | 800 gallons per daybest | |
99 percentbest | — | |
2.2 gallonsbest | 0 gallons | |
99 countbest | 9 count | |
12 monthsbest | — | |
| ↓ lower better | 5 inches | 4.9 inchesbest |
| ↓ lower better | 16 inchesbest | 16.3 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF Certified, EPA Registered UV | NSF/ANSI 372, EPA, SGS, FCC |
Storage(1) | ||
Storage Tank Capacity (gallons) | 2.2 gallons | 0 gallons |
General(1) | ||
Installation Type | Under-sink | Under Sink |
Maintenance(1) | ||
Filter Lifespan (months) | 12 months | 6-24 months |
Design(2) | ||
System Width (inches) | 5.0 inches | 4.9 inches |
System Height (inches) | 16.0 inches | 16.3 inches |
Performance(5) | ||
Filtration Stages (stages) | 9 stages | 7 stages |
Daily Production Rate (gallons per day) | 75 gallons per day | 800 gallons per day |
Wastewater Ratio | 1:1 | 2:1 |
Contaminants Removed (count) | 99 count | 9 count |
Feed Water Pressure (PSI) | 40 PSI | 14.5-87 PSI |
Features(2) | ||
Remineralization | true | false |
Faucet Type | Standard | Stainless Steel |

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.
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.

“very clean water”

“Say no more. Perfect!”



Professional reviewers highlight the system's exceptional filtration efficiency combined with significant space optimization and the efficient 2:1 pure-to-drain ratio.
Users consistently praise the effective filtration performance, space efficiency, and easy filter maintenance, though some note the installation complexity.