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How to Improve Indoor Air Quality in Winter? Best Solutions for 2024

5 minute read

Most of us seal our houses tightly to keep the warmth in and the cold out during winter. Although this keeps us comfortable, it also causes poor indoor air quality. Our homes are shut, so contaminants such as dust, pet dander, and even chemicals from cleaning agents can become trapped within. Additionally, increased use of heating systems circulates air (and particles), creating poor air quality.

This can lead to various health concerns, such as allergies, dry mouth, and respiratory problems—issues no one wants to face, especially in winter. Staying healthy and comfortable depends much on knowing how to improve indoor air quality in winter. Even if the windows are closed and the heaters are running, this guide will lead you through numerous useful and modern ideas to help keep the air in your house fresh, clean, and breathable.

Why Does Indoor Air Quality Decline in Winter?

You might wonder why air quality gets worse in winter. All of it begins, then, with our winter home sealing practices. To keep the cold out, we block drafts and close all the windows, therefore excluding fresh air from entering. The air in your home can become stale, filled with indoor pollutants like dust, cooking smoke, pet hair, and even volatile chemicals from cleaning products.

Heating systems aggravate this issue. When you turn on your furnace or space heater, it moves air around the house, but it also stirs up any dust or allergens that have accumulated. The air quality index within your house may drop as a result. The heat from these systems also often dries out the air, aggravating conditions including dry skin, sore eyes, and respiratory problems. Many people find increased allergies or feel congested in winter, which makes total sense! Still, don't worry; in the sections below, we will walk over some basic yet powerful solutions for these issues.

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Best Solutions for Improving Indoor Air Quality in Winter

Knowing why indoor air quality could worsen in winter will help us to discuss solutions. From sophisticated devices to basic daily routines, there are various quick and simple ways to enhance the air you breathe.

  1. Air Purifiers: Employing an air purifier with a HEPA filter is a top way to address indoor air pollution. These devices excel in catching airborne tiny particles, including dust, pollen, and pet dander. HEPA filters are highly effective at trapping microscopic allergens that are often undetectable to the naked eye. Put an air purifier in the rooms where you spend most of your time, say your bedroom or living room, for optimal effects.
  2. HVAC Systems: Maintaining interior air quality heavily relies on your HVAC system, which stands for heating, ventilation, and air conditioning. If it is kept well-maintained and has appropriate filters, it can assist in cleaning the air and keep it flowing across your house free from toxins. Some modern HVAC systems incorporate humidity control elements to make your house comfortable, and many have sophisticated filters that can catch more particles.
  3. Ventilation: Good ventilation is absolutely vital, even in winter. Opening your windows in the winter seems contradictory, yet momentarily doing so lets fresh air in and drives away polluting, stale air. In places like the kitchen and bathroom, where pollutants often gather, you can also utilize exhaust fans. If you wish to go one step further, look at a heat recovery ventilation (HRV) system, which generates fresh air without compromising warmth.

These are some of the best ways to make sure the air in your home stays clean and healthy, even when it’s freezing outside.

Use of Air Purifiers

An air purifier is your buddy when it comes to winter dust, allergies, and pollution removal from your house. Drawing in the air from the room, air purifiers filter dangerous particles and subsequently release clean air back into the space. Because they employ HEPA filters, which can collect up to 99.97% of particles as small as 0.3 microns - that includes dust mites, pet dander, and pollen — devices like the Sensibo air purifier are especially effective.

Air purifiers are especially crucial in winter since they maintain the air's cleanliness even when open windows are unable to provide airflow. When homes are sealed, pollutants can rapidly accumulate and cause the air to feel stuffy. Without having to let in the cold, an effective purifier will help to keep indoor air clean. Furthermore, maintaining clean interior air helps to improve outdoor air quality by lowering the emission of indoor contaminants, which benefits not just indoor air.

Smart Thermostats and HVAC Systems

Smart technology has made maintaining your home environment simpler than ever, especially with regard to indoor air quality. Smart thermostats and HVAC systems can be major game-changers in winter. A smart thermostat lets you effectively control the temperature in your house so that the air is just perfect without running the heating system too much. This avoids the familiar problem with conventional heating systems–arid air.

Moreover, smart AC controllers let you control airflow and guarantee that fresh air moves all throughout your house. Proper maintenance of HVAC systems helps them to filter the air and regulate humidity and temperature. By avoiding dry, stale air from becoming a concern, you are not only saving on energy expenditures but also enhancing the air quality in your house.

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Regular Ventilation and Air Exchange

Your house still requires regular ventilation to keep optimum air quality even if it is freezing outdoors. Lack of fresh air entering causes internal contaminants to gather and renders the air unfit for breathing. You won't have to leave your windows open for hours; even a brief five-to-ten-minute window session will help to freshen the air and lower air pollution within.

Exhaust fans are useful in key areas like the kitchen or bathroom, where they remove moisture and odors, improving air quality. Installing a heat recovery ventilation (HRV) system is another choice since it brings in fresh air while keeping most of the heat, preventing too much loss of warmth throughout. Preventing stale air from gathering in your house during the winter depends mostly on regular air exchange.

Maintaining Proper Humidity Levels

Improving indoor air quality over winter depends critically on balancing humidity. Heating systems usually dry out the air, which can cause uncomfortable symptoms, including dry skin, inflamed eyes, and increased sensitivity to respiratory problems. Conversely, excessive moisture can provide the ideal habitat for mold and mildew, which not only compromises your house but also aggravates bad air quality.

Using a humidifier can help maintain a healthy balance. Humidifiers add moisture to the air, easing breathing and preventing the discomfort caused by dry air. However, you want to make sure the humidity stays between 30 and 50%; too much or too little humidity might have equally negative effects. Monitoring and regulating humidity can help you guarantee that your house is pleasant and that your air remains healthy.

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Reducing Indoor Pollutants

Reducing the contaminants that initially enter your house is one of the finest approaches to enhancing air quality. First, routinely vacuum using a vacuum cleaner with a HEPA filter to capture allergens and dust. This greatly reduces indoor contaminants, particularly if you have pets. To help prevent the accumulation of pollutants, also routinely dust surfaces and clean your air ducts.

Another crucial piece of advice is to avoid using strong cleaning agents that spew volatile organic compounds (VOCs) into the air. These molecules can reduce the air quality index within your house. Choose instead environmentally friendly cleaning products that are free of harmful components. At last, make sure you include lots of fresh air by boosting ventilation—through windows momentarily or by running fans. This will keep your indoor space fresh and assist in clearing toxins.

Natural Solutions to Improve Indoor Air Quality

Houseplants are a great way to enhance indoor air quality more naturally. By absorbing dangerous chemicals from the air and releasing oxygen, many plants—including peace lilies or spider plants—act as naturally occurring air cleaners. This not only makes your house seem more environmentally friendly but also helps to improve indoor air quality without using chemicals.

Apart from greenery, natural air fresheners, including essential oils, can keep your house smelling fantastic. Essential oils provide a cleaner, better substitute than manufactured air fresheners, which sometimes include dangerous chemicals. This helps keep your indoor air fresh without compromising its quality.

Routine Maintenance for Air Quality Systems

Finally, keep in mind that frequent maintenance is necessary for your air quality systems—your HVAC system, air purifiers, or humidifiers—to operate properly. As advised, change your air filters; also, routinely clean your air ducts to stop dust and allergens from spreading throughout your house. Improperly maintained devices can actually worsen air quality rather than improve it.

Routine maintenance guarantees not just a longer lifetime for your systems but also fresh and healthy indoor air. Regular cleaning and maintenance help to keep pollutants out of your house and guarantee that it stays a nice, healthy place all winter long.

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