The Purex Testing Protocol
Most cleaning reviews rely on a quick visual check. Does the counter shine? Does the room smell like pine? That is olfactory theater. We measure what you cannot see. At Purex House Cleaning, we apply clinical scrutiny to residential sanitation. The gap between a surface that looks clean and a surface that is actually sanitary is massive. We bridge that gap. We test the products. We hire the services. We publish the exact results.
The cleaning industry thrives on vague promises. Companies slap a green leaf on a toxic solvent. Local franchises send unvetted contractors into your home. We built this review process to cut through the noise. We demand proof.
How We Select Subjects For Review
We ignore press releases. We reject sponsored placements. We select cleaning services, chemical solvents, and hiring platforms based strictly on reader demand and market presence. If a new background check API claims strict FCRA compliance for cleaning businesses, we run it through our operational checklist. If a St. Charles cleaning company dominates local search, we book them anonymously.
We pay out of pocket for every product and service. We never accept free deep cleans in exchange for coverage. This eliminates the VIP treatment services often give to reviewers. You get the exact same experience we do.
Our Evaluation Metrics
We do not guess. We quantify. Our testing protocol separates aggressive marketing from operational reality. We break our testing down into two distinct categories.
Evaluating Cleaning Services
We book the service. We track their arrival window. Before the crew arrives, we apply invisible UV fluorescent markers to high-touch zones. Light switches, cabinet pulls, toilet bases. After they leave, we check the zones with a blacklight. If the marker remains, they skipped the surface. We also audit their corporate hiring protocols. We verify their liability insurance status and check their background screening vendors to ensure they actually vet their staff.
Evaluating Cleaning Products
We test pH levels to verify surface safety on natural stone and hardwood. We use ATP luminometers to measure active biological matter left behind after a standard wipe down. A product must reduce the ATP count below clinical baseline thresholds to earn our recommendation. We test degreasers on baked-on kitchen grease. We test glass cleaners in direct sunlight to check for rapid-evaporation streaking.
The Time Investment
Quick tests produce blind spots. We spend 30 days of daily use with any chemical cleaner or vacuum before writing a single word. We track residue buildup over four weeks. We monitor spray nozzle degradation. We watch how formulas react to hard water over time.
For local cleaning services, we require three separate visits. One initial deep clean. Two standard maintenance cleans. Crews often perform flawlessly on day one and slack off by week three. We catch that drop in quality. A single visit tells us nothing about a company’s consistency.
What We Refuse To Cover
Limitations build credibility. We strictly exclude specific categories from our testing pipeline. If a product falls into these buckets, we will not review it.
- Multi-level marketing (MLM) cleaning products. We evaluate sanitation performance, not recruitment schemes.
- Unbonded independent contractors. If a service cannot provide proof of liability insurance, we will not send them into a home.
- Consumer-grade ozone generators. The respiratory risks far outweigh the deodorizing benefits. We refuse to recommend them for residential use.
The People Behind The Testing
Ray Stille leads our testing protocols. As the former Sub-Director of a Clinical Diagnostics Division, Ray spent a decade managing laboratory sterility and cross-contamination protocols. He brings clinical-grade scrutiny to residential cleaning. He understands chemical dwell times. He knows exactly how quaternary ammonium compounds react to heavy organic loads.
Ray built our ATP testing methodology from the ground up. He writes the protocols. He verifies the data. When a brand claims their botanical spray kills bacteria, Ray runs the swabs to prove them wrong.
How We Keep Reviews Accurate
Companies change formulas. Local cleaning franchises change management. A five-star service in spring often degrades by winter. We revisit our top recommendations every six months.
We run a fresh ATP swab test on our recommended surface cleaners. We verify that our top-rated background check providers maintain their FCRA compliance standards. If a product quietly dilutes its active ingredients to save money, we strip its ranking. We update the page. We tell you exactly why they dropped.