That sleepy, unfocused feeling that hits your team around 2 p.m. might not be from a big lunch. It could be the air in your building. Poor indoor air quality is more than a comfort issue. It can hurt your team’s focus, cause health problems, and cost your business money. When air feels stale, it’s often full of carbon dioxide and tiny particles that float around.
The good news is that fixing this is often less expensive than you might think. A study by the Lawrence Berkeley National Laboratory found that the cost of better airflow can be as low as five cents per square foot per year. When you think about how much more work gets done and how many fewer sick days people take, the small cost is worth it.
Fixing the problem means looking at it from all sides. You need to check your heating and cooling system, find out where pollution is coming from, and use better cleaning methods. A complete plan for improving workplace air quality looks at everything from dust and pollen to the chemicals, called VOCs, that come from furniture and cleaning products.
Quick answer: Improving your office air is a smart, low-cost way to boost employee health and productivity. The key is a plan with several parts: good ventilation, effective filters, and stopping pollution at its source with professional cleaning and upkeep.
What’s inside
- What Are the Real Costs of Poor Air Quality?
- How Do You Measure Indoor Air Quality (IAQ)?
- What’s the Difference Between Filtration and Ventilation?
- Can Cleaning Services Genuinely Improve Air Quality?
- What Questions Should I Ask a Commercial Cleaning Provider?
- Frequently Asked Questions About Office Air
What Are the Real Costs of Poor Air Quality?
The biggest costs are lost work time and more sick days. When the air is bad, people can’t think as clearly and get sick more often. Bad air quality costs your business real money. It’s not just about comfort. It quietly hurts focus, decision-making, and employee health, which leads to real financial costs.
This problem is so common it has a name: “sick building syndrome.” It’s when people in a building feel sick, but there’s no clear reason why. Their symptoms often get better after they leave. According to the U.S. Environmental Protection Agency, complaints may be linked to up to 30% of new and remodeled buildings. This isn’t just a rare problem. It’s a common issue that hurts performance because of poor airflow and a buildup of pollutants in the air.
Modern, energy-efficient buildings are often the biggest culprits. They are sealed tightly to save on heating and cooling, but this also traps pollutants inside. As a result, indoor levels of some pollutants can be much higher than outdoor levels. Research from the U.S. Environmental Protection Agency shows that levels of certain volatile organic compounds (VOCs) average two to five times higher indoors. These VOCs are released from everyday items like furniture, carpets, cleaning products, and office equipment.
❝ A simple rule of thumb: if you can still smell cleaning products hours after the crew has left, or notice food smells from the day before, your building may not be bringing in enough fresh air. Fresh air needs to come in often enough to clear out these pollutants, not just trap them inside.
This buildup of pollutants directly affects your team’s health and your bottom line. Headaches, tiredness, dizziness, and irritation of the eyes, nose, and throat are common symptoms that lead to sick days. Another problem is “presenteeism.” This is when employees are at work but aren’t very productive because they don’t feel well. Fixing the air quality problems helps bring back that lost focus and productivity.
What Questions Should I Ask a Commercial Cleaning Provider?
You should ask for details about their cleaning products, equipment, and how they are trained to control things that get in the air. A company’s ability to answer these questions in detail separates a basic cleaning service from a partner who helps make your building healthier. Vague answers are a big red flag.
Start by asking about the chemicals they use. Ask for a list of their main cleaning products and their safety data sheets (SDS). Ask if their products are certified by groups like Green Seal or UL ECOLOGO. These labels prove the products have low levels of VOCs (harmful chemicals). The term “green cleaning” is used a lot in marketing, but these labels are real proof that the products are made to release fewer chemicals that can bother people.
Next, focus on equipment, especially vacuums. The single most important question here is about filtration. A standard vacuum can stir up fine dust and allergens, sending them into the air. A quality company will use commercial vacuums with several layers of filters, including a true HEPA filter. This type of filter is tested to remove at least 99.97% of airborne particles 0.3 micrometers in diameter.
❝ Ask if their vacuums use “true HEPA” filtration or just “HEPA-type” filters. A true HEPA filter is tested and certified to meet a certain goal. A “HEPA-type” or “HEPA-like” filter often works less well, doesn’t have that official approval, and traps far fewer of the tiny particles that can cause allergies and breathing problems.
Finally, ask about their process and training. How do they train staff to keep dust from spreading? Professionals should use damp microfiber cloths that trap dust, rather than dry-dusting or using feather dusters that just push dust around. Ask how they prevent spreading germs, like using different colored cloths for restrooms and desks. There aren’t national rules for cleaning methods, but they are important for the health of your building, which is something OSHA looks at when checking air quality.
A provider’s answers to these questions show that they understand how their work affects your building’s health.
| Evaluation Area | Basic Service | IAQ-Focused Service |
| Cleaning Agents | Standard, unspecified chemicals | Certified low-VOC, Green Seal/ECOLOGO |
| Vacuum Filtration | Standard bags or “HEPA-type” filters | Certified, multi-stage true HEPA filtration |
| Dusting Method | Dry dusting, feather dusters | Damp-wiping with microfiber cloths |
| Staff Training | General cleaning tasks | Specific training on dust and contaminant control |
What’s the Difference Between Filtration and Ventilation?
Filtration cleans the air already inside your building, while ventilation replaces stale indoor air with fresh outdoor air. They work together, but they do different jobs. Knowing the difference helps you make a good plan for clean air and avoid expensive mistakes with your building’s heating and cooling system.
Ventilation is the main way to get rid of harmful gases. This includes carbon dioxide (CO2) from people breathing, which causes that stuffy, sleepy feeling, and volatile organic compounds (VOCs) released from furniture and materials. Your HVAC system’s ventilation function pulls in outside air to mix with and push out the pollutants that have built up. This is measured in “air changes per hour” (ACH), which tells you how many times all the air in a room is replaced with fresh air each hour.
Filtration, on the other hand, goes after tiny particles. This includes dust, pollen, mold spores, and other tiny particles floating in the air. As air moves through your HVAC system, it passes through a filter made to trap these particles. The key measurement here is the MERV rating, or Minimum Efficiency Reporting Value. A standard filter might be a MERV 8, which is good for dust and pollen. A MERV 13 filter, often recommended for better air quality, is much better at trapping smaller things like bacteria and tiny drops from coughs or sneezes.
However, just putting in a higher-rated filter isn’t always the right move. This is where people trying to help can make a mistake.
❝ A higher MERV rating means the filter material is thicker. This makes it harder for air to pass through, a factor engineers call “static pressure.” Ask your HVAC technician: “What is the maximum MERV rating this system can support without slowing down the airflow too much or using a lot more energy?” If the system isn’t strong enough, forcing air through a thick filter can make it work poorly and even cause the fan motor to break.
The right approach is a balanced one. You need enough ventilation to handle gases like CO2 and VOCs, and the best filter your system can use to trap particles. In some cases, the best solution might be to add separate air purifiers with HEPA filters to certain rooms. This allows you to target specific problem areas without putting too much strain on your main heating and cooling system.
Frequently Asked Questions About Office Air Quality
Is poor air quality an OSHA violation? OSHA doesn’t have one big rule for indoor air quality. But, employers must provide a workplace that is free from known dangers. OSHA can give fines if certain pollutants, like carbon monoxide, are above the legal limits.
At what outdoor AQI should we be concerned about our office? The Air Quality Index (AQI) measures outdoor pollution, but it affects your indoor air too. When the local AQI is over 100 (“Unhealthy for Sensitive Groups”), you should check that your HVAC system isn’t pulling in too much polluted air. This might mean checking your filters or even reducing the amount of outside air you bring in during bad air days, like during a wildfire.
What are some low-cost ways to improve air quality without a major HVAC overhaul? You can make a real difference with simple rules and upkeep. Try a fragrance-free policy to cut down on chemicals in the air from perfumes and air fresheners. Fix leaks right away to stop mold. Make sure cleaning closets have good airflow so chemical smells don’t spread.
Can office plants actually clean the air? Plants do remove some chemicals (VOCs) from the air, but how much they help in a normal office is often exaggerated. The famous NASA studies were done in small, sealed rooms, which is very different from a large office. Plants can make people feel better and think the air is fresher, but you would need a huge number of them to really lower the pollution levels.
How often should commercial HVAC filters be changed? Changing them every three months is a good starting point. But you might need to change them more often if your building is in a polluted area, has a lot of people, or is near construction. The best way is to follow the manufacturer’s advice and check when the filter gets clogged and slows down the air.
A Clearer Path to Cleaner Air
Improving your building’s air quality isn’t a one-time purchase but a set of habits you do all the time. It starts with understanding where pollution comes from, like chemicals in new furniture or dust kicked up by people walking. A good plan has three parts: 1) removing particles already in the air, 2) bringing in fresh air to get rid of gases, and 3) stopping new pollutants from getting in by using smarter cleaning methods. Each part supports
About the author Go Premier Cleaning is a commercial cleaning company that provides services to maintain workplace environments. The company focuses on janitorial services and building upkeep. For more information, visit the Go Premier Cleaning homepage.
