The Real Reason HEPA Filters Are So Expensive Simply put, it all comes down to psychology and marketing. We buy HEPA filters and air purifiers to protect our health. And we truly value our health. So much so that we are often willing to spend a lot to protect our health.
Without an air quality monitor, it's difficult to assess the value of an air purifier. So, naturally, we use price as a factor in determining that more expensive equals better. If you have an unusually sized filter area, some online companies are creating custom filters for those unique systems. So, that was the easy part.
Now you know the size you need, but there are still options over options. It is important to weigh all options when examining air filters. Do you have long-haired dogs and cats that shed their hair? Does anyone in your family have environmental allergies? Yes, in general, more expensive air filters are more effective, but a single person without pets and with allergies might not need as much filtration as a family of five with three pets and a child with asthma. If you can find a reusable filter that captures the types of contaminants you need to filter for your family, then you could pay more money upfront, but ultimately save money.
For example, hospitals use filters with a rating of 16, but that's not necessary for your home environment, and using a filter with such a high rating will increase your energy costs. An electrostatic air filter is a washable air filter that uses static electricity to capture particles. The value of an electrostatic filter is that it captures smaller particles than a standard washable filter and is completely reusable.
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