Why would you ever need an air purifier? Isn’t the air inside your home cleaner than the polluted air outside?


Living in the USA, on average you’ll only spend 13% of your time outside1, and while you’re warned frequently about the dangers of pollution in the wider world, the truth is that the air inside your home can be far worse2. Our sealed-up, energy-saving homes, without proper ventilation, are trapping the air pollutants inside! Yes, you may vacuum frequently, and use an air conditioning unit, but that just moves the pollutants around through the air.


Cleaning the air is not just about hoovering up dust. There are a number of pollutants in your air which are doing you harm.

Indoor pollutants include:

  • Dust and dust mites – While there is no such thing as a dust allergy, you may be prone to sneezing when there’s dust in the air due to the presence of dust mite feces, cockroach debris, or some of the other allergens on this list.
  • Particles carrying viruses – You understand the importance of covering your mouth when you cough or sneeze when you have the cold or the flu – let’s face it, it’s good manners to not pass on your illness! But living in a modern home that is sealed up for better energy efficiency can mean that you and your family are trapped with the virus carrying particles floating around in the air. Gross!
  • Bacteria – Often we think that wiping over surfaces and cleaning the kitchen floor is going to be enough to remove bacteria from our homes, but bacteria can be airborne, and act much like viruses.
  • Pet hair and dander – Pet dander is a known allergen for sensitive individuals. The trouble with allergens is that they can be benign – until they’re suddenly not. So even though you’ve never had an allergic reaction to your friend’s dog when they visit your house, the dog leaves hair and dander behind in the air. This is not particularly clean for the air and it could be a ticking time bomb of allergy.
  • Mold – When a mold colony is thriving it sends out spores into the air looking for new places to reproduce. Mold spores are classed as a biotoxin and, in some people, can cause a host of allergic reaction symptoms. Long-term exposure to mold spores in the air can affect the ability of your immune system to protect you. Once the initial mold colonies are dealt with and controlled with Homebiotic spray, it’s important to eradicate the mold spores from the air and dust particularly – as these spores can go into hibernation and reactivate at a later date.
  • Pollen – Pollen can be easily transported into your home via your clothes or anything that you’ve been using outside. Hay fever is one of the most common allergies worldwide, affecting between 10-30% of the population3, and can make a lot of sufferers miserable. Unfortunately, with the advent of global warming, ragweed season is lasting longer and longer in the US, and the plant is spreading its reach further north4. If you want your home to be a haven during hay fever season you need to find a way of filtering pollen out of your home.
  • Carbon Monoxide – Carbon monoxide has become a problem both outside and inside the home. Carbon monoxide can be found in exhaust fumes and tobacco smoke. In fact, tobacco smoke contains too many harmful substances to cover in this article5! But carbon monoxide is a real danger to you, whether you smoke or not, because it blocks your blood from carrying oxygen around to your heart and other organs. Carbon monoxide exposure has been known to cause cognitive dysfunction6, but in high concentrations it can cause death, so it’s worth getting a detector for your home.
  • Volatile organic compounds or VOCs – These particles are of natural origin but have been used industrially in the process of making anything from building materials and soft furnishings to disinfectants, air fresheners and pesticides. Unfortunately VOCs are everywhere, and they can cause allergic reactions, asthma and neurological inflammation7,8.
  • Greenhouse gases – Greenhouse gases include carbon dioxide, nitrous oxide, and methane – all are bad news for your health. While it’s unlikely that you would have very high levels of these gases in your home unless you have a poorly ventilated heater or gas stove9, long-term exposure to low levels of greenhouse gases can cause asthma and an allergic reaction.

So what can you do about the dirty air in your home? You can invest in an air purifier.


There are several benefits to getting a home air purifier. Not only do you have the reassurance that you are protecting everyone in your household from bacteria, viruses, and various toxins, but there are also some brilliant specific health benefits to setting up an air purifier in your home.

These benefits include:

  • Ensuring your immune system is not always on high alert – While dealing with a low level pollen or pet dander allergy on a daily basis may not seem like a big deal, it can have a knock on effect to your general health. Constant exposure to an allergen can deplete your immune system, meaning that it won’t work so well against a more major threat, and can develop into an autoimmune disease10. Furthermore, dealing with even a mild allergy can affect your overall energy levels.
  • Eliminating bugs such as mosquitoes – Avoiding mosquitoes means avoiding malaria which can have a serious effect on your health. An air purifier is also more safe to use than insecticides, which may contain VOCs.
  • Reducing frequency of asthma attacks – Respite from asthma can only be a good thing, no matter what your age, and reducing frequency of asthma attacks inside your home by removing the smallest particle triggers is the way forward.
  • Protecting from second-hand and third-hand smoke – Even if you maintain a smoke free home, third-hand smoke is a new concern, particularly if you suffer from asthma. Overall, third-hand smoke can have the same health can issues as second-hand smoke, as particles from cigarette smoking can cling to clothing and objects outside the home and be transported inside. An air purifier protects against such pollutants.
  • Giving peace of mind for older people, children, or immunocompromised patients – for household members with undeveloped or compromised immune systems, an air purifier can help protect from viruses, bacteria, toxins, and allergens that may tip the immune system out of balance and cause complications.

An air purifier is a simple but incredibly effective way to combat the air pollutants in your home.


Not all air purifiers are equal – some models are more effective at filtering the air inside your home than others.Here are a few features to consider when purchasing an air purifier for your home.

The best air purifier:

  • Uses a certified HEPA filter as part of its filtering system. HEPA filters– meaning high-efficiency particulate air filters – remove some of the tiniest particles, including mold spores, dust mites, pollen, and dander. But your air purifier must use the HEPA filter as part of a whole filtering system to be truly effective.
  • Uses whisper quiet technology if it’s an ionizing purifier. Ionizing purifiers are great because they clean the air more quickly, but many models are quite noisy. With whisper quiet technology the unit doesn’t go above 35 decibels.
  • Has an energy saving feature. As it’s best to run your air purifier constantly to ensure that your air stays clean, choosing a unit that doesn’t increase your energy bill substantially is best.


After looking at dozens of home air purifiers on the market, in all price ranges and with a variety of features, we recommend the Rabbit Air BioGS 2.0 4-stage filter. It’s an exceptional value for the price, and covers all the important criteria we look for in an air filter. You can read the Amazon reviews for it to see for yourself.

Win a $400 Air Filter!

Until December 31 2018, each new Homebiotic subscriber will be entered to win a BioGS 2.0 Air Filter from Rabbit Air.

Start protecting your home today, and get 5% off your next order!

Start protecting your home today, and get 5% off your next order!


1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2443227/
2. https://journals.sagepub.com/doi/abs/10.3109/10915818909018049
3. http://www.worldallergy.org/wao-white-book-on-allergy
4. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0205677
5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084482/
6. https://www.ncbi.nlm.nih.gov/pubmed/24083408
7. https://www.ncbi.nlm.nih.gov/pubmed/25399826
8. https://www.ncbi.nlm.nih.gov/pubmed/15031958
9. https://www.epa.gov/indoor-air-quality-iaq/nitrogen-dioxides-impact-indoor-air-quality
10. https://www.ncbi.nlm.nih.gov/pubmed/19231288

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