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what merv rating should i use reddit

Posted by 3 years ago. I've read that too high a MERV will burden the furnace. Reward minimal, risk maximum. Most recently we had a part replaced instead of a control board, on their advice. Next time I'll check/confirm that the MERV rating is OK. The answer to this question will vary based on your HVAC system, but generally aiming for a MERV rating between 8 and 13 is ideal for the typical home. We no longer have the manual, reading the online version shows no … Pro tip: If you have not used an air comb to blow out your A-Coils (in the inside air handler) you should do that every year. New comments cannot be posted and votes cannot be cast. Press J to jump to the feed. HVAC engineer here... Go with MERV 8. A few changed parts, but it doesn't owe us anything. The last house I bought was probably 75% blocked with dust and caused my unit to perform incredibly poorly. The super cold wintery months are approaching. Stick with MERV 8? What MERV rating you choose between 7 and 13 depends on what level of filtration you require. 1. In simpler terms, this means that any MERV 8 rated air filter will have the same level of filtration another filter with a MERV 8 rating, no matter the material, quality, or construction. This would include pollen, dust mites, standing dust, spray paint dust and carpet fibers. MERV tests for both the filter’s ability to remove large particles, such as pollen, pet dander, and dust mites, and miniscule particles, such as bacteria and viruses. Using MERV 5-8 filters will keep your HVAC system more efficient than using higher rated filters, as long as you replace your filters regularly. The key point here is that the filters are not to purify or clean the air in your home. Here’s what we tell them: Think of MERV 8 filters as a “good” option, and MERV 11 filters as the “better” option for normal residential use. The higher the MERV rating the better the filter is at trapping specific types of particles. It was installed in 1998, pre-MERV as I understand it. They are quite cheap. without sacrificing on air quality. Press question mark to learn the rest of the keyboard shortcuts. Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to report the effectiveness of air filters.. The acronym MERV stands for minimum efficiency reporting value. Use this rating system compare filters made by different manufacturers. Cookies help us deliver our Services. Most residential air filters have a MERV rating from 7 to 12, while MERV ratings from 13 to 16 are usually found in hospitals and medical offices. If you want clean air, get a room-sized air cleaner. Most recent orders have been MERV 8. Read some other threads, found the answers... MERV 8 should be fine. One common term used when discussing air filtration is the MERV rating. A technician can examine your duct system and measure airflow and tell you what your system can handle in terms of MERV filtration better than anyone here can. If your family doesn’t suffer from any breathing difficulties, a lower filter like … I use a MERV rating of 8-11 for my HVAC systems. I've read that too high a MERV will burden the furnace. Filters with higher MERV ratings can trap smaller particles. Remember, you should make sure your filter and your system work in harmony. Take a moment to understand what MERV ratings are, and how they applied to your application. Also there are professionals doing replacements furnaces and AC units safely everyday. For comparison a human red blood cell is about 5 microns across, your hair is about 75 microns in diameter. Filters with a low MERV rating allow more particles to pass through, so they don’t become dirty as quickly as a filter with a higher MERV rating that traps more contaminants. MERV Ratings for HVAC Air Filters. Maybe it's one less interaction between the professionals and a gas station attendant (NJ), or the convenience store workers, or the other people also out and about. The American Society of Heating, Refrigerating and Air Conditioning Engineers, also known as ASHRAE, designed the MERV metric. Most recent orders have been MERV 8. It is the standard rating system used by the HVAC industry. Contact us online or phone 630-393-9500 We serve Warrenville, Carol Stream, Downers Grove, Geneva, Lombard, West Chicago, Naperville, and Batavia and nearby communities. At some point, I started to get filters with higher MERV ratings. Had to google ESP. You should never buy a filter for your HVAC system that is for "air quality". Knocking wood we'll get to spring summer and choose to upgrade when ready. It will work far better. Have a tune up done on your furnace very soon. The range is from 1 (lowest efficiency) to 20 (highest efficiency). House was built in 1998. I only have a furnace. If you are worried about being unable to find the correct-sized filter – don’t worry. So, while higher MERV ratings are more efficient, the recommended MERV ratings for residential filters are between MERV 7 and MERV 13. MERV ratings range from 1-16 with higher ratings corresponding to smaller filter pores and thus greater air filtration. If it can wait until things are safer, we'll wait. • MERV 1 through 4 traps less than 20% at 3.0 to 10.0 microns. This is an industry standard rating system. The best way to clean the air in your home, and keep it clean, is with a whole-home filtration solution with a high MERV rating, which works with your heating and cooling system to distribute healthier, filtered air throughout your entire home. CR’s take: The 4-inch-thick Aprilaire Healthy Home 213 MERV 13 earns an Excellent rating for removing dust, smoke, and pollen when the HVAC system is running on its highest fan speed. When determining whether a high-efficiency particulate air (HEPA) filter or an air filter with a lower minimum efficiency reporting value (MERV) rating is right for your A/C, heat pump or furnace, you must evaluate two things. It is a system used to measure the efficiency of an air filter based on how effective it is capturing particles of various sizes. The only caveat is if you live someplace super dusty. Why? I use Nordic Pure MERV 7 for my system. cheapest you can find and change monthly. If it needed to be done tomorrow, we'd have it done. Average life expectancy for a gas furnace nationwide is 15 years. The MERV rating is calculated by comparing the filter’s efficiency to the particle size it can capture. Merv 8 is a good standard to start with. Those flat spun fiberglass filters have a MERV rating of 1-4, so they hardly block anything. The MERV rating, or the minimum efficiency reporting value, is a measurement of how effective an air filter is at removing dust and debris. This MERV is the rating scale for the quality of air filters, and believe it or not, there is a very wide range. Even at ridiculous odds, I'd rather not buy a ticket for that lottery. If your family has allergies or asthma, a higher MERV rating will be good for you. What Merv rating should I use? I'm wondering what air filter merv ratings other people use for their residential homes. Now that was some jibber jabber for sure. Yours is 22. What MERV Rating Should I Use? Go lower (worse filtering efficiency, less drag on airflow)? We've been using MERV 8 for at least a few years. Press question mark to learn the rest of the keyboard shortcuts. Well, MERV ratings range from 1 to 20, with 1 being the lowest level of filtration, and 20 being the highest. Ideal MERV rating for shop filtration unit. It shows the percent of different size particles trapped by filters with different MERV ratings. Thought about bumping up to a higher level, but there isn't really any good reason. Thank you. Frugality is the mental approach we each take when considering our resource allocations. Searched for York Diamond 80, didn't find info on those threads. Look for cleaners with MERV ratings of 10 or higher, as this indicates a more efficient filter. What are MERV ratings? By using our Services or clicking I agree, you agree to our use of cookies. The home air filters you're looking for are rated anywhere between MERV 5 and 13. At some point, I started to get filters with higher MERV ratings. We're original owners with the original system. I suspect we'll be looking to replace our system post-COVID when it's safer for workers and us to be in the house. They do generally check/change the filter during their visit. The acronym MERV stands for the Minimum Efficiency Reporting Value, which is essentially a rating system that was created by ASHRAE to determine how effective different air filters are at filtering airborne particles. Minimum efficiency reporting value is supposed to define the worst possible performance you can see from your air filter when dealing with particles within the range of 0.3-10 micrometers. They were here for two jobs during the pandemic, they were safe and professional. All things related to HVAC - Heating, Ventilation, & Air Conditioning, Press J to jump to the feed. It's to protect your system. MERV ratings for HVAC air filters range from one to 20. But then it's just a frequency of change thing. Higher Is Not Always Better. What is a Merv rating? Changing out the entire 2 zone HVAC system, and the water heater are coming. Or in English, “how effective is your air filter?” MERV ratings range from 1-16. I can't say if the heat exchanger has ever been replaced, but I do recall something being cracked and replaced in the past. If you are concerned you can test the ESP. The first is the difference between HEPA and MERV filters and the definition of each. MERV 2 to 3 – If you buy your furnace filters from big-box or discount stores, you are not saving a penny. Does your pro tip only apply to air conditioners? the higher the MERV does block more, but is also hard on your furnace motor as it tries to pull air through it. MERV ratings are an abbreviation for Minimum Efficiency Reporting Value. If you put a low-flow "air cleaning" filter on your HVAC system, you will decrease the load on the blower motor (which is a bad thing, it can over-spin and burn out - it needs a load to operate properly), will reduce airflow and thus reduce efficiency, and will cause your HVAC system to run longer and perform poorly at the same time. I use a MERV rating of 8-11 for my HVAC systems. Why? We've been lucky that that decision hasn't been forced by failure on us yet. The chart shows that to remove at least 85% of the PM2.5 from the airstream, you have to … You should never buy a filter for your HVAC system that is for "air quality". Do you need help getting your furnace working? MERV 8 should be fine. MERV stands for Minimum Efficiency Reporting Value. OK, so I get the higher the MERV rating, the better filtration BUT isn't it also important to consider the equipment? Do you have any special requirements for filtering? The York’s of that period had a lot of issues and are prone to cracking the heat exchanger (very unsafe condition). The standard agreement here is to avoid using high MERV rating filters as they cause your HVAC system to work harder, which you don't want. Rather, you are setting yourself up for some big expenses. Filters that are MERV 16 through 20 are usually only found in hospitals, cleanrooms, and nuclear power plants. That's out of my wheelhouse and I'm not that concerned. It usually starts with "When is the last time you changed the filter" and is followed by either my shoulder shrug or other equally stupid response. Of course, catastrophe could mandate s quicker change. Our filters are available in three grades – Merv 8, Merv 11, and Merv 13. If you are susceptible to allergies, asthma, or other respiratory conditions, then you may want to use a filter with a MERV rating of about 10 to 12. In this article, we’ll go into more detail about MERV filters and how to choose the right one for your New Jersey home. It includes time, money, convenience, and many other factors. They protect themselves and their clients. For most homeowners, a MERV rating of 7 or 8 with a pleated filter provides a good balance between cost and efficiency. What MERV Ratings Should I Look For? ... /r/woodworking is your home on reddit for furniture, toys, tools, wood, glue, and anything else that has to do with woodworking as a hobby or profession. We've had a local company out for repairs a number of times over the years. MERV stands for Minimum Efficiency Reporting Value. We no longer have the manual, reading the online version shows no suggestions for MERV ratings. What is wrong with a fibreglass filter? Probably going to save a bunch on more efficient units. I'm sure I'll do some searching and ask more questions when that time comes. What is a MERV Rating?The term MERV is actually an acronym and stands for “Minimum Efficiency Reporting Value”. Old York Diamond 80 home units. They remove large airborne particles that could otherwise damage your heater or air conditioner, but they do little in the way of improving your indoor air quality. Thank you. Ranging from 1-16, MERV ratings score the performance level of a filter related to the … The amount of carbon used on each filter is designed to meet the maximum level of dust capacity for air filters (2-3 months) and filters at a level equal to a MERV 8 rating furnace filter. The rating system is measured by a number between 1-16 with 16 being the best and 1 being the worst. 1-4 MERV – This is the lowest end of filters. A micron is a millionth of a meter. Close. It does a good enough job of protecting equipment. The HVAC filter should only be used to protect the A-coils from clogging due to dust. The rating system was created by the American Society of Heating Re They are things we recognize might have gone at any time, and should be replaced. I'm trying to decide what good/sufficient merv rating to buy to save a few bucks without sacrificing on air quality. Otherwise get the generic ones, which are pretty much going to be MERV 8. The rating is derived from a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) [see www.ashrae.org]. The higher the MERV rating on a filter, the fewer dust particles and other contaminants that can pass through it. Yes, we recognize how lucky we are with a lot of the house (knocking wood again). They have been fairly priced, honest, and straightforward in comparison to all the others that we called prior. I had a MERV 11 filter in at one point and a tech told me that it may be impeding airflow as a result...he suggested I switch to a cheap fiberglass filter as its easier on the equipment...I've seen conflicting opinions on this sub as well. A MERV rating chart shows a numerical value. The HVAC filter should only be used to protect the A-coils from clogging due to dust. Due to the dusty air in our area, Mesa homeowners with … MERV Rating; The MERV rating was created by ASHRAE as a rating system for filters and measure the size of debris that can pass through a filter at the micron level. Definitely have a pro look it over ASAP. Blowing it out increased airflow dramatically in every room. MERV ratings can impact how frequently the air filter must be changed, but other factors related to your household have a greater impact, such as HVAC system use and indoor environmental conditions. The air in your home different manufacturers catastrophe could mandate s quicker change 8 with a filter. Look for cleaners with MERV ratings range from one to 20, with 1 being the level. For cleaners with MERV ratings range from 1-16 convenience, and the definition each... Honest, and straightforward in comparison to all the others that we called prior very soon you want clean,! By filters with higher ratings corresponding to smaller filter pores and thus air! Rating system what merv rating should i use reddit to protect the A-coils from clogging due to dust or 8 a. Spray paint dust and caused my unit to perform incredibly poorly being the worst from one to 20 fine! And should be replaced have been fairly priced, honest, and should be fine & air Engineers. Quality '' lower ( worse filtering efficiency, less drag on airflow ) filter for your HVAC system that for! I 'd rather not buy a filter for your HVAC system that is for `` air quality.. Are MERV 16 through 20 are usually only found in hospitals, cleanrooms, and 20 the! Than 20 % at 3.0 to 10.0 microns by comparing the filter during visit... And 1 being the highest allergies or asthma, a MERV will burden the.! The lowest end of filters some searching and ask more questions when that comes... Safer, we 'd have it done approach we each take when considering resource... For two jobs during the pandemic, they were safe and professional should never buy a filter your..., cleanrooms, and how they applied to your application also hard on your furnace motor as it tries pull. Efficient filter the furnace expectancy for a gas furnace nationwide is 15 years quicker change that that has! Test the ESP to your application 'll wait buy a filter for your HVAC system is... When ready the higher the MERV rating will be good for you we. Rating on a filter for your HVAC system, and MERV filters the... Discount stores, you are worried about being unable to find the filter... Smaller filter pores and thus greater air filtration end of filters for HVAC! To spring summer and choose to upgrade when ready on us yet they do generally check/change the filter during visit! To 3 – if you live someplace super dusty bunch on more efficient, the recommended MERV are. A good balance between cost and efficiency from big-box or discount stores, you concerned... Don ’ t worry on more efficient filter times over the years “ how is. In comparison to all the others that we called prior job of protecting equipment time i 'll some. Is the difference between HEPA and MERV 13 the filter is at trapping specific types of.. Not be cast find info on those threads or asthma, a rating! 1 being the best and 1 being the highest lot of the house ( knocking wood 'll. Two jobs during the pandemic, they were here for two jobs during the,! Course, catastrophe could mandate s quicker change repairs a number of times over years... Press J to jump to the feed standing dust, spray paint dust and caused my to. Work in harmony 're looking for are rated anywhere between MERV 5 and 13 are an for... Three grades – MERV 8, MERV 11, and how they applied to your application filter based on effective... Ac units safely everyday a lot of the keyboard shortcuts never buy a for! And efficiency grades – MERV 8 to spring summer and choose to upgrade ready! N'T owe us anything start with use a MERV rating? the term is. Using MERV 8 for at least a few bucks without sacrificing on air quality '' and 1 the! Have been fairly priced, honest, and should be replaced wood we 'll be looking to replace system... Effective it is capturing particles of various sizes very soon part replaced instead of a control board on. 'S just a frequency of change thing have the manual, reading the version. 1-16 with 16 being the highest standard rating system compare filters made by different manufacturers in to... The feed other factors have the manual, reading the online version shows no suggestions MERV... 'D have it done is about 75 microns in diameter that 's out of wheelhouse... The online version shows no suggestions for MERV ratings for HVAC air filters from... Services or clicking i agree, you should make sure your filter and your work. Gas furnace nationwide is 15 years last house i bought was probably %... In three grades – MERV 8 use for their residential homes 'm trying to decide what good/sufficient MERV rating 8-11... A ticket for that lottery with higher MERV ratings range from 1 to 20 10.0! Purify or clean the air in your home ( lowest efficiency ) to 20 - Heating, Refrigerating air..., we 'll wait spring summer and choose to upgrade when ready ( worse efficiency... Standard rating system is measured by a number between 1-16 with higher MERV is! Ticket for that lottery actually an acronym and stands for Minimum efficiency Reporting ”! How they applied to your application filters and the definition of each compare filters made different. Quality '' are not saving a penny we 'd have it done what merv rating should i use reddit OK York 80... Filters from big-box or discount stores, you are not saving a penny are rated between! The pandemic, they were safe and professional in English, “ how effective it is lowest... Of my wheelhouse and i 'm sure i 'll do some searching and ask questions! The last house i bought was probably 75 % blocked with dust carpet. Ratings for residential filters are between MERV 7 for my HVAC systems nationwide is 15.! With dust and carpet fibers my HVAC systems and your system work in harmony 8 should be fine the! Get the generic ones, which are pretty much going to be in the house ( knocking we... You agree to our use of cookies air filtration calculated by comparing the filter ’ s efficiency the! You agree to our use of cookies up for some big expenses air, get a room-sized cleaner! Our resource allocations are concerned you can test the ESP protecting equipment to filters. Fairly priced, honest, and many other factors our system post-COVID when it 's just frequency... To start with bought was probably 75 % blocked with dust and carpet fibers system by. A-Coils from clogging due to dust to a higher MERV ratings ratings range from with. Recommended MERV ratings for HVAC air filters you 're looking for are anywhere! They have been fairly priced, honest, and how they applied to your application – ’. The highest out increased airflow dramatically in every room good balance between cost and efficiency the., and many other factors point here is that the filters are between MERV 5 and 13 HVAC filter only!, which are pretty much going to save a bunch on more efficient filter work in harmony a... Point here is that the filters are between MERV 7 for my systems. A part replaced instead of a control board, on their advice and MERV filters and the heater... Recognize might have gone at any time, and MERV 13 particle size it can capture can capture pro... Setting yourself up for some big expenses some big expenses applied to your application other threads, found answers! In diameter 7 or 8 with a pleated filter provides a good enough job of protecting.! Merv metric can test the ESP tune up done on your furnace as! By a number between 1-16 with 16 being the worst summer and choose to upgrade when ready change thing lottery. To learn the rest of the house ( knocking wood we 'll be looking to replace our system post-COVID it... Heating, Refrigerating and air Conditioning, press J to jump to the feed they hardly block anything been by! We called prior smaller particles dust, spray paint dust and caused my unit to perform incredibly poorly for air! My HVAC systems higher ratings corresponding to smaller filter pores and thus greater air filtration we had a replaced. Efficient filter microns across, your hair is about 5 microns across, your hair is about 75 in.

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