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MERV and Your HVAC Air Filter

Let’s discuss how MERV, not Merv Griffin the talk show host from years past, but, MERV. The  Minimum Efficiency Reporting Value, and how it is used when measuring air filter effectiveness.  The MERV rating reveals how well your system’s air filter traps air particles and pollutants in your home air.

The MERV ranges from 1 to 20. 20 is typically for filters that can trap the tiniest particles, for example use in clean rooms. The correct air filter is important for two reasons:

  1. The filter traps pollutants in the air that could be harmful, including dust, pet dander, viruses, bacteria and mold.
  2. The correct air filter can keep your home comfort system running efficiently by increasing air flow and keeping harmful debris from building up in your comfort system.

Low cost filters have MERV ratings from 1-4.  Higher quality filters are rated from 9-12. Below is a breakdown of MERV ratings according to the EPA (Environmental Protection Agency):

MERV Rating Efficiently Traps:
1-4 Pollen, dust mites, sanding dust and carpet fibers
5-13 Dusting aids, fabric protector, mold spores and hair spray.
14-16 Bacteria and tobacco smoke
17-20 Used in clean rooms, pharmaceutical manufacturing, and around carcinogenic substances

 

If you have questions about selecting the best air filter for your home’s heating and cooling system, contact the experts at Hobaica Services, 602-995-0387.

Serving the Valley of the Sun since 1952 we’re always glad to answer questions about your heating or cooling system.

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Check Out Our Reviews . . . From Neighbors Near You

Marc Jouandet
Marc Jouandet
01:27 07 May 21
Scott came by today to perform routine maintenance on our air conditioners. He discovered one of the capacitors to be failing & was able to replace it quickly & efficiently. Now I can get through the summer without worries. Thanks Scott!
Lynne Paxton
Lynne Paxton
00:00 07 May 21
Ryan Waters did a maintenance check on my AC and repaired a valve on my Mastercool evap. He is always pleasant to work with and did a good job. Thanks Ryan.
Steve Sachs
Steve Sachs
18:33 06 May 21
Travis was amazing! Very knowledgeable and thorough. He completed a service of my A/C unit and a warranty replacement of a failing capacitor. I highly recommend Hobaica for any electrical, HVAC, or plumbing work you need done. I have used them for years and they continue to impress.
Tatia Key
Tatia Key
00:56 06 May 21
Hobaica has been a real pleasure to work with, and I would highly recommend them to anyone looking to replace their A/C. Andy made the selecting, purchasing and scheduling process extremely easy, explaining all our options and answering all our questions very clearly. Jorge performed the installation, and he was courteous, competent, efficient, professional, friendly, and helpful, a delight to have him working on/in my home.I am happy that Hobaica reached out to us for our 2-year inspection. A big thanks to Scott for making sure our unit is operating properly and efficiently.
Ellen Carter
Ellen Carter
23:58 05 May 21
5/5/21Ryan came today to service our air conditioning system and to flush our water heater. He is always courteous and professional. Our air-conditioner and water heater were in good condition.Thank you very much for GREAT SERVICE!
john ngo
john ngo
23:55 05 May 21
Danny Unglaub is a true professional. He came to my house on time and checked all parts of my air conditioning unit. He is very thorough. We will ask for him on our next appointment.
Joan Salvatierra
Joan Salvatierra
21:24 05 May 21
Mike serviced our a/c today. He was punctual, polite, pleasant and efficient. He was knowledgeable in explaining issues and answering my questions. He went out of his way to be helpful,
Hope Dymek
Hope Dymek
18:49 05 May 21
Scott was punctual, polite and professional. A thorough inspection of our HVAC systems was completed as well as installation of new capacitors. Hobaica was quick to schedule our maintenance request, and Scott was knowledgeable and efficient. Great value and great service!
anne feuerborn
anne feuerborn
23:56 04 May 21
Ryan was awesome. He was a trustworthy and diligent worker. My new water heater looks terrific!

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