How-to articles

Practical advice to help you solve specific air quality issues at home.

Data-led studies

Original research on air quality issues from our data science team.

Opinion pieces

Thoughts, analysis and discussion of topics that matter to our readers.

Opinions

HouseFresh has virtually disappeared from Google Search results. Now what?
Gisele Navarro
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How Google is killing independent sites like ours
Gisele Navarro
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How to

Where should you place your air purifier?
Jeff Somers
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What exactly does an air purifier do?
Teddy Booth
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How to clean your air without an air purifier
Michelle Honeyager
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enery meter

How much electricity does an air purifier use?
Teddy Booth
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Do air purifiers help with smells?
Amparo Lopez
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Coway air purifier red light: What it means and how to fix it
Paul Allen
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8 common Coway air purifier problems (and how to fix them)
Amparo Lopez
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Blueair air purifier red light: What it means and how to fix it
Amparo Lopez
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How to humidify a room without a humidifier
Jeff Somers
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How to measure humidity in your house
Jeff Somers
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Guides

Natural ways to dehumidify a room without a dehumidifier
Amparo Lopez
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How to choose an air purifier: 10 things you need to know
Danny Ashton
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Do HEPA filters really remove viruses?
Amparo Lopez
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Air purifier vs ionizer: key differences 
Amparo Lopez
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Air purifier vs dehumidifier: key differences 
Paul Allen
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Air purifier vs humidifier: key differences
Teddy Booth
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16 ways to get rid of cooking smells
Marie Cookson
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An air purifier next to an open window

Can you use an air purifier with the windows open?
Michelle Honeyager
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CADR calculator: What size air purifier do I need?
Teddy Booth
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The myth of hypoallergenic pets for those with allergies
Amparo Lopez
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Data-led

Dry air capitals: The cities with the driest air in the world
Amparo Lopez
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The price of clean indoor air in every country
Danny Ashton
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The countries and states most concerned about indoor air quality
G. John Cole
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The U.S. wildfire index: How and where wildfires spread across America
G. John Cole
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A cigarette with smoke

How many cigarettes you’re indirectly smoking due to world pollution levels
G. John Cole
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The New York City ZIP codes with the most air quality and mold complaints
G. John Cole
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The U.S. real estate markets most vulnerable to climate change
G. John Cole
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The most humid cities in America and the world
Danny Ashton
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The cities with the most and fewest good air days
Danny Ashton
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The worst U.S. states for air quality
James Booth
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