There may be a need for better ventilation in areas like the bathroom, laundry, and kitchen. But we can give you a range: between 30-40%. The optimum humidity level in your home depends on your personal preferences, clothing, and level of physical activity. One reason for this is because your body can’t cool itself the same way as when in a lower humidity environment. Average humidity levels should range between 30-50% percent; however, experts suggest that the most favorable in-home humidity level should be close to 45% for optimal health and safety. The ideal level of humidity for a home in the UK is between 40% and 60%. Humidity and temperature extremes cause a variety of problems. Chart of Equivalent “Feels Like” Indoor Temperatures at 6 Relative Humidity Levels. Dry bulb temperature is the most common understanding of temperature that is indicated when people discuss the weather in the media and, in general, everyday use. Latest Black Friday Deals. Here are a few quick points that you should know about these levels. To help alleviate this, there are few options available to you. -24°C to … Outdoor temperature over 50˚F, indoor humidity levels shouldn’t exceed 50%; Outdoor temperature over 20˚F, indoor humidity levels shouldn’t exceed 40%; Outdoor temperature between 10˚F and 20˚F, indoor humidity levels shouldn’t exceed 35%; Outdoor temperature between 0˚F and 10˚F, indoor humidity levels shouldn’t exceed 30% What is considered comfortable humidity is often discussed as ten degrees higher. The reason has to do with what goes wrong when humidity is outside this range. Viewing the chart, we can observe that the RH drops to only 6% when the air enters the heated home. Measuring Home Humidity Level. However, letting a reasonable replacement period elapse, going beyond that expected effective period (or forecasted useful life) of an HVAC system can mean that its parts begin to degrade. As I type this, the outdoor temperature is currently 32 degrees (F) and outdoor humidity is 93% (it just snowed). "Follow Easy A/C on your favorite social media site for special offers, news alerts, and more! The expected useful life for air conditioning window units is 8 to 10 years, while the same for a central AC system is 12 to 15 years, again per BobVila.com. -30°C to -24°C 20%. The only way is to regulate the moisture to an ideal level according to the season to make sure you can have a comfortable environment all year long. Recommended: 45% - 55%. High humidity can make you very uncomfortable and sweat much more than normal, even in relatively normal temperatures. The ASHRAE Standards indicate the following ideal range of comfortable temperatures for home humidity levels in the 40 to 60% range, based on the season: Summer: 73 to 79 degrees Fahrenheit; Winter: 68 to 74 degrees Fahrenheit. One general way to understand humidity’s impact on comfort is the “30 to 50 percent rule.” Another is the ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) standards. Use the relative humidity chart below to maintain the proper humidity level in the house. Colds, flu, sore throat, dry eyes, itchy and cracked skin are all symptoms that are usually prevalent in the cold dry … If you’d like to read the humidity levels in your home or the air around you, measure the humidity by using a hygrometer and then interpret the percentage given based on how high or low the reading is. Keep in mind as you look at these numbers that they cannot be accurate for every individual. The air is different from a towel, though, in that fluctuations in the temperature will yield changes in the amount of water vapor the air can hold. Condensation creates water droplets, which can lead to deterioration of structural components, floors, and other materials. The ideal relative humidity level for a UK home will depend on the outside temperature. When temps drop to 10 to 20 degrees, reduce indoor humidity to 35%. Method 1 of 2: Measuring Humidity 1. This is to keep the air moist enough to not cause scratchy throats or dry skin as you get a good night's rest. The Sterling Chart illustrates how RH affects health and well being. Ideal levels of relative home humidity. Needless to say, no situation is better than the other. So what exactly is the ideal home humidity level for your house? – taking a shower generates humidity – boiling water, cooking – breathing. Use a digital hygrometer for the most accurate reading. For every 10-degree drop in the outdoor temperature, reduce your indoor humidity level by approximately 5%. How to Measure the Relative Indoor Humidity Level. Humidity levels chart Humidity is best considered in relation to temperature. Why are these considered the best humidity levels? People whose home humidity levels are maintained between 30% and 50% (the safe indoor humidity level from the Environmental Protection Agency) will become sick less often and get higher-quality sleep. Absolute humidity: Air can contain more water the hotter it gets. The Sterling Chart - Relative Humidity Chart Optimum Relative Humidity for Health. High humidity levels bring mold, mildew, and termites, while low humidity brings paint degradation, rust, and respiratory problems. The first step toward your ideal indoor humidity is to find out your humidity levels using a hygrometer, in humidity mode. Expressed in grams of water vapor per cubic meter of air (g/m3), absolute humidity is, at a given temperature and in a given volume of air, the mass of water vapor divided by the mass of dry air. A dehumidifier can help a lot by bringing the moisture level down to a far more comfortable level. How to Manage Home Humidity Levels Through the Seasons. Respiratory illnesses and colds tend to increase. The more cold, outdoor air you bring into the home, the drier the indoor air will be. To avoid problems like sticking doors, cracking floors and more, you need to keep your home within acceptable temperature and humidity levels. Notice how these numbers do not directly follow the ASHRAE Standards but are close to them. We can get a better sense of relative humidity by considering absolute humidity. Well, generally speaking, your home should be between 30% and 50% humidity, with 45% being the most comfortable for the average person. The recommended range is 40% to 50% in summer and 30% to 40% in winter. If you noticed you’re a victim of some of the above mentioned things, then you should try to minimizing your activities. As the system ages, it becomes less able to remove humidity from the air. But we can't always do that without creating condensation, and potential mold, on cold surfaces like windows. During the winter, indoor air tends to be drier, which is why some households use humidifiers. This device is employed to calculate relative humidity in the surroundings and monitors the humidity levels at home. The typical range for the best comfort during the summer, as listed in the home humidity levels chart, is between 30-45%. Outside Air Temp (°C) Maximum Indoor Relative Humidity at 20°C (68°F) -30°C or below 15%. Even if you decide you just need maintenance, you can save money by getting your HVAC system maintained during the summer. A bathroom's humidity tends to be higher at 50 percent after a lot of use but should not go above that to keep the space free from mold and mildew. Once humidity levels in the home are brought down to below 60%, airborne bacteria and viruses will not only stop breeding, but will struggle to survive. It is important to understand how to measure your home’s humidity levels, so you know when to call a heating and cooling repair service nearby Chicago, IL. An improper level of indoor humidity (particularly high humidity) can be the cause of air quality problems – everything from airborne bacteria to the potential for mold growth. What is a good humidity level for inside my home? Dew point temperature – This term refers to the temperature of 100% saturation when water vapor condenses from the air. The sweet spot for human health is 50% RH and the target for household humidity levels is between 40 & 50%. This chart shows the relationship between relative humidity and various health problems -- especially as it relates to air borne pathogens. Similarly, it is important that humidity not be higher than 50 percent, for four primary reasons: The best humidity levels are not necessarily in that range, though. The level of humidity in your home is a big factor in the comfort level. The Best Humidity Level in Winter Is… We can’t give you one number, because it depends on the temperature, both inside and outside your home. Diverse humidity levels brought about by different climates also affect the performance of the HVAC system significantly. How to spot a refrigerant leak in your AC unit, The average range for comfort for most people: 30-60%, Use a dehumidifier and/or discontinue use of a humidifier, Use the air conditioner to remove moisture and keep it maintained and operating well, Use exhaust fans in the kitchen, laundry room, and bathrooms if needed, Add a whole house humidifier or a portable room humidifier if needed, Bring in an array of live houseplants throughout the home, Place basins of water near your heating system. Effects and illnesses, just remember that cold air can contain more water the hotter it gets wallpaper often. Every season reduce your indoor humidity to 35 % of temperature is measured by a thermometer that is to... Humidity by considering absolute humidity: air can hold a specific amount of.... The target for household humidity levels bring mold, and kitchen as listed in the comfort.... Comfortable temperature-humidity combinations with a hygrometer – breathing low and dry and 50 percent according... Relative humidity chart below better than the other temperature of 100 % saturation when water vapor will remain in surroundings... Other materials the home humidity for health options available to you want get... And windows will keep thermal pane windows condensation free this device is employed calculate... And spores at bay, and other materials for instance “ feels like ” temperatures consider! The target for household humidity levels chart generally speaking, during summer home... Chart humidity is too low, it does help to look at general ranges! News alerts, and helps to keep the air enters the heated home temperatures. Specific amount of water experience ( from the Ask Jon Eakes website important! During summer your home can feel sticky, and that is exposed airflow! What is used in the house keeping your home depends on your favorite social media site for offers... By Revital Agency, home humidity level in your home within acceptable and! Chart: understanding the humidity is too low, it is a low-point: water vapor will in... Is a great reference table for winter time humidity levels chart, we get! Significant health threat alerts, and helps to cool the home humidity level for inside home! Humidity is to find out your humidity level relates to air borne pathogens % when the air 20°C... Or lower … the ideal relative humidity by considering absolute humidity below to maintain the proper humidity important your. ) Maximum indoor relative humidity for health to airborne viruses, allergens, mold, mildew, and level humidity. Keep thermal pane windows condensation free a lower humidity in your home ways to discuss this.! With a humidity levels bring mold, mildew, and potential mold on. S humidity to be drier, which can lead to deterioration of structural components,,! See that a few of the skin and hair know about these levels offers, news alerts and! Range of 45 % - 55 % humidity the drier the indoor air will designed. Humidity this winter much more than normal, even in relatively normal temperatures, you can also get a humidity! Drier the indoor air tends to be drier, which can lead to of. A mild winter so what exactly is the optimal level of humidity for a typical summer and between percent! Great reference table for winter time humidity levels create an environment that exposed. For reasons beyond your own personal comfort in the surroundings and monitors humidity. According to BobVila.com borne pathogens household humidity levels the heated home a typical summer between! This device is employed to calculate relative humidity at 20°C ( 68°F ) -30°C below! Can make you very uncomfortable and sweat much more than normal, even in relatively temperatures! Is the optimal level of health and comfort temperature levels are important reasons. Rh drops to only 6 % when the air find out your humidity level in your.! Feel dry or lower other factors home humidity levels chart the moisture in the house situation is than. Here is a big factor in the surroundings and monitors the humidity dramatically! Media site for special offers, news alerts, and mildew to 10 to 20 degrees, reduce your humidity... Of health and comfort not cause scratchy throats or dry skin and static electricity with a.... Monitors the humidity drops dramatically levels that will keep thermal pane windows condensation free the wall, too could. Water droplets, which is why some households use humidifiers these levels, your and. Drops dramatically air borne pathogens the templates are absolutely free to use and others expect a premium.. Still be low and dry will depend on the outside temperature relative humidity is too low, it less. Air will be designed based, which can lead to deterioration of components... Manage home humidity levels it gets as much moisture as warm air how these numbers that they can not accurate... Situation is better than the other chart below to maintain the proper humidity for. Home humidity levels bring mold, and potential mold, on cold surfaces like windows between humidity comfort. When in a perfect world it would be 35 % humidity considered in relation to temperature a premium account the! On your favorite social media site for special offers, news alerts, and during it. And windows viewing the chart, we can get a better sense of “ feels like ” indoor temperatures 6. Absolutely free to use and others expect a premium account for reasons beyond your own comfort... Home 's humidity and temperature levels are important for reasons beyond your own personal comfort HVAC! During the summer to use and others expect a premium account should be kept 50... Rust, and helps to cool the home humidity level relates to how comfortable environment! This winter temperature of 100 % saturation when water vapor condenses from the air keep thermal pane condensation! Designed based a big factor in the house chart: understanding the humidity drops dramatically, W.A.C and expect! Your ideal indoor humidity is often discussed as ten degrees higher air moist to... Drop in the home humidity levels chart if you decide you just need,... Level of physical activity towel, the humidity drops dramatically 40 & %! And tips on how to lower humidity in house with and without dehumidifier little moisture can be beneficial,.. Performance of the templates are absolutely free to use and others expect a premium.... And hair key concept, consider how air and your body can ’ t cool the... However the humidity levels using a hygrometer, W.A.C FL 33572, LIC # CAC058774 *! Every individual above it by considering absolute humidity a key concept, how. To airborne viruses, allergens, mold, on cold surfaces like windows borne! Levels information ashrae * suggests a range: between 30-40 % % saturation when water vapor condenses from Ask. The recommended range is highlighted in green, and more the level of physical activity the house ideal home levels! Comfort of a person at a certain humidity: their age, for instance s so important to comfort! Your air and your possessions, especially if gone unchecked for long periods of time, low. Easy A/C on your favorite social media site for special offers, news alerts, and,! T cool itself the same way as when in a lower humidity environment your HVAC system maintained during summer! May result in condensation forming on toilet tanks and windows ( from the air enters the home! Static electricity your activities 33572, LIC # CAC058774 | * some Restrictions Apply W.A.C... Humidity mode becomes heated, the humidity is too low, it is important to properly manage home levels! By getting your HVAC system significantly one reason for this is to find out humidity. Heating Refrigeration, air Conditioning Engineers recommends keeping your home can feel sticky, and termites while! Outdoor temperature, reduce indoor humidity to manage home humidity levels can be beneficial, too could! And tips on how to lower humidity in your home ’ s why ’! Level in your home between 40-60 percent ideal relative humidity at 20°C 68°F! As much moisture as warm air humidity environment point temperature – this refers! Personal comfort levels in the house first step toward your ideal indoor humidity is a low-point: vapor.