Indoor Air Quality​

Keep your home safe and healthy with air purification technology that reduces airborne and surface contaminants, and pollutants.

Indoor Air Quality​

The indoor air quality in your home or office can be five times more polluted than outdoor air, primarily because indoor air is not properly sanitized. There are added contaminants that are simply not filtered out of the air, but instead accumulate over time in our modern, tightly sealed homes. This happens because bacteria, viruses, mold spores, and other toxins are too small to be captured by passive traditional air filters, and some can even pass through a HEPA filter.

So, since you spend up to 90% of your time indoors, it's important to consider the impact these pollutants can have on your long-term health. Luckily, you have found a company dedicated to solving indoor air quality problems in the most innovative and effective way possible.

Humidifiers and Dehumidifiers

Balance your home's humidity to help improve sleep and dry skin, enhance productivity, and keep you protected against airborne viruses. Additionally, AprilAire Humidifiers and Dehumidifiers help preserve your home and any contents susceptible to cracking and warping due to low humidity levels. While balanced humidity exists between 40 and 60%, it's important to remember that outdoor temperature and other home factors will impact what relative humidity level is attainable and recommended for your house.​

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Why Preferred Air?

Service is available 24/7

Technicians are polite, respectful, and take pride in their work

‍No surprises with up-front exact pricing

‍We serve both residential and commercial clients

More than 32 years of experience in the North Shore area


Our Customer Reviews

“They’re consistent, friendly, trustworthy, competitive pricing. I have been with this company for 10 years and have been pleased with their service.”

-J. Salamone

“Preferred Air has done my heating and AC work for a number of years. They are always prompt and friendly – very professional. …They are a great bunch.”

W. Steadman

“Just to let you know the people (who) work for you are great guys. They answered any questions that I had and were very neat and clean. (We) are very happy with all the work you have done. …Thanks!”

-L. & P. Flynn

“Bryan pointed out installation problems, that (another) contractor created, that were dangerous and needed to be fixed. …What a great job he did earlier in the week… I am so very happy.”

L. Richard

"The service people were prompt, courteous, efficient, and knowledgeable. Their reliability was very appreciated. I plan to use your services for years to come."

A. Rosa


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State Licenses
Massachusetts Refrigeration License #RC-148128
Massachusetts Master Sheet Metal License #2284
Massachusetts Sheet Metal Business License #493
Fully Insured
All our technicians are fully-insured with workman's comp for your protection and peace of mind!
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