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Air quality and home automation, ranked on independently tested numbers.
Ranked lists
List · Draft
Top 10 Carpet Cleaners & Spot Cleaners
Full-size shampooers and portable spot cleaners, ranked on instrumented stain-test reputation and verified real-owner durability signal.
List · Draft
Top 10 Cordless Stick Vacuums
Ranked on instrumented suction/carpet/hair-tangle testing and owner-durability signal — not the marketing suction number on the box.
List · Draft
Top 10 Dehumidifiers for Basements
Ranked on ENERGY STAR-certified capacity and efficiency — not the inflated pre-2019 pint numbers.
List
Top 10 Robot Vacuums Under $500
Ranked on measured pickup tests and street price — not the marketing Pa number on the box.
List
Top 10 Air Purifiers for Allergies
Ranked on AHAM-verified CADR and true-HEPA media — not marketing "sq ft" claims.
Buying guides
Guide
How to Choose an Air Purifier for Allergies
CADR, true HEPA, and why the "sq ft" number on the box is mostly marketing.
Guide
How to Choose a Carpet Cleaner or Spot Cleaner
Full-size shampooer or portable spot cleaner, why over-wetting is the mistake that ruins carpets, and when renting the big machine beats buying one.
Guide
How to Choose a Dehumidifier for a Basement
Why a "70-pint" dehumidifier from 2018 and a "50-pint" one from today are basically the same machine.
Guide
How to Choose a Robot Vacuum Under $500
Measured pickup tests, navigation hardware, and why the Pa number on the box is mostly marketing.
Guide
Smart Lock Security Grades Explained (and Who's Really Grade 1)
ANSI/BHMA grades measure the deadbolt, not the app — and most smart-lock marketing never mentions them.
Guide
How to Choose a Cordless Stick Vacuum
Why the suction number on the box is marketing, and what to weigh instead — weight, runtime, batteries, and the Dyson durability question.
Guide
Why Every Lab Crowns a Different Best Laundry Detergent
Consumer Reports, Wirecutter, and Good Housekeeping all test rigorously — and still disagree. The reasons tell you how to choose.
Guide
How to Choose a Window Air Conditioner
Size it to the room first, then let CEER pick between the finalists — the efficiency spread is real money over a unit's life.
Data tables
Data · Sortable
Carpet & Spot Cleaner Specs Data
Type, tank capacity, weight, cord/hose length, and heated-cleaning claims for full-size shampooers and portable spot cleaners we researched — sortable.
Data · Sortable
Cordless Stick Vacuum Specs Data
Weight, bin size, claimed runtime, battery and filtration for every cordless stick vacuum we researched — sortable.
Data · Sortable
Dehumidifier Energy Star & Capacity Data
DOE-2019 pint/day capacity and Integrated Energy Factor for all 519 ENERGY STAR-certified dehumidifiers — sortable.
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EPA Safer Choice Certified Cleaning Products
322 EPA Safer Choice-certified household cleaners — all-purpose, laundry, dish and bathroom — sortable by company and fragrance-free status.
Data · Sortable
Smart Lock ANSI/BHMA Security Grades
The ANSI/BHMA A156.40 security grade most smart-lock shoppers never check — sortable, with honest gaps where no manufacturer grade claim exists.
Data · Sortable
Window & Room Air Conditioner Energy Star Data
Cooling capacity (BTU/hr), CEER efficiency, and running cost for all 420 ENERGY STAR-certified room air conditioners — sortable.
Data · Sortable
Robot Vacuum Specs & Test Data
Claimed suction, navigation, dock automation, measured pickup scores and street pricing for every robot vacuum we researched — sortable.
Data · Sortable
Air Purifier CADR & HEPA Data
Clean Air Delivery Rate, HEPA type, coverage and filter cost for every purifier we researched — sortable.