Why Skipping Professional-Grade CO₂ Sensors Costs More.

Estimated Reading Time: 8 Minutes.

Before making up your mind to purchase one ridiculously unusable product, think again by considering the benefits of a cost-to-value ratio. According to EY’s findings, a short-termism mindset might bring consequences that undermine companies’ competitiveness, risking the long-term potential. 

Simply put, being a “cheapskate” was definitely not equivalent to the concept of frugal spending. The former is a sick obsession that sacrifices quality or durability for instant results and high risks, whereas the latter reflects more thoughtful approaches to gain the most out of a reasonable budget.

 

Hidden Cost of Elevated Carbon Dioxide

The appearance of CO₂ in mankind’s history was first recorded when Joseph Black, a Scottish chemist, first identified carbon dioxide as a distinct gas, referred to as “fixed air.” Since then, various researchers began to realize that rising levels of CO₂ gradually cause indoor participants to be slightly headachy and rather sluggish with dropping concentrations. 

Under normal atmospheric conditions, the air should contain approximately 21% oxygen and only 0.04% CO₂, meaning a concentration between 300 and 700 ppm, but as occupancy increases in confined spaces, dangers strike. In contrast to the level of fresh outdoor air (400 ppm), The OSHA Standards decided to mark 5,000 ppm as the sign of poor air quality because of the physiological effects that begin to seriously affect people. Using simple math, we ought to know that 5,000 ppm of CO₂ is actually 12.5 times higher than 400 ppm.

Let’s face it: health is a one-time event. Try to examine your workplaces using the table here to learn about the possible effects. It is true that ignoring CO₂ emissions is ruining our health. Several physiological problems are linked with high concentrations of CO₂, including an unusual respiratory rate, dyspnea (shortness of breath), sudden sleepiness, persistent dizziness, or narcosis related to CO₂.

The Importance of Prioritizing Value Over Price

In 2008, Warren Buffett sent a letter to his shareholders and wrote, “Ben Graham taught me that — price is what you pay; value is what you get.”

Price, the intersection where the majority of numbers that buyers encounter each and every day acts as the heartbeat of any commercial facilities, yet the debate of choosing lower initial costs or industry-level quality is still an arguable issue that few can resolve. 

When it comes to air monitoring solutions, most will be advised to spend their budget wisely on a worthwhile investment, not a piece of pseudo-worth almost zilch. After all, as the rising awareness of indoor air quality spreads over time, successful companies have learned the hard way to appreciate how small changes in costs can lead to large values in sustainability, where the cost of an ‘overlooked’ mistake often outweighs the price of an ‘affordable’ alternative. Hence, shifting the perspective from “What’s cheapest now?” to “What will give me the better value over time?” can prevent companies from wasting hard-earned money on pointless mistakes.

 

 

Stop Guessing: What It Means To Go Pro

Not a clue of how to choose the right air quality monitor? Fear not, as we clarify the six features that come in handy to make smarter decisions that serve you in the long run.

1. Differentiate eCO₂ and CO₂.
   
   Look for CO₂ sensors that are engineered with the latest NDIR (Non-Dispersive Infrared) technology that complies with ASHRAE 62.1-2022 standards, making them intended for real-world building performance.

   Basically, NDIR technologies are unaffected by VOCs since they could work independently of CO₂ gases with the principle of gas molecules that selectively absorb infrared energy from a broadband light source, later removing specific wavelengths from the spectrum and then being isolated by an optical filter designed for precise gas monitoring. Due to their great durability, NDIR sensors became the most advantageous hardware in a long-term monitoring solution.

   On the other hand, low-cost sensors are susceptible to using eCO₂, or estimated concentration of carbon dioxide, as a cheaper substitute for NDIR. Despite both having a similar appearance, eCO₂ is a whole different parameter that responds to TVOCs by using algorithms that generate an approximate value by using a special reactive layer that would be exposed to the air during the measurement procedure. When misused, it leads to incorrect outcomes that skew business decisions.

 

2. Prioritizing Accuracy
   
   In order to prevent deviation in measurements, data-sensitive applications often depend on a precisely defined accuracy since the deployment settings may vary based on different needs from companies, but professional devices stand out by guaranteeing a trustworthy reading due to the fact that they were initially intended for multi-year stability and provide clear and specific accuracy (e.g., readings such as ±30 ppm or ±3%).

   Even though inexpensive products may be satisfactory at first glance, their accuracy gradually deteriorates over time; thus, specific long-term stability is uncommon. They are also seen to lack recalibration options that are important for continuous monitoring and auditing. Whereas industrial-made devices are strictly devoted to upgrading their drift compensation in the firmware to counteract the effects of gradual changes or errors in a system. 

 

3. Calibration Features

   A fundamental methodology of calibration is extremely vital in CO₂ sensors. Through ongoing comparison between the measurement values delivered by the device being used and an acceptable range with known accuracy provided by manufacturers, technicians in companies could ensure the device remains within reference ranges and is verified by certification standards.

   Professional-grade equipment is responsible for supporting baseline adjustments or sensitivity calibration, while traceable measurement methods in manuals will be provided. Conversely, those ‘no-name’ sensors rely solely on random factory calibration, which lacks a clear review of the validating process, making readings inappropriate for professional or regulated environments. After all, regardless of how good CO₂ data appears on a screen, it cannot be trusted without calibration.

 

4. Data Logging and Cloud-Native Storage

   The benefits of choosing the professional devices are that they aim to provide continuous data logging services at a minute-level average, which surpasses typical low-cost sensors that only gather a set of short-term data.

   When it comes to storage options, the two functionalities are very different; a functioning sensor saves businesses CO₂ data for more than a year and additionally offers a web dashboard and mobile applications to simplify data export and identify long-term trends. Cheap sensors, however, are hardly suitable for formal audits or compliance reporting due to limited capabilities.

 

5. Integration With Building Systems

   Professional sensors are gaining insights of the real-world strategies through tons of hands-on projects, ensuring their integration actually fits with diverse building systems. Although low-cost gadgets aid in budget reduction, the expenses of them having limited and insufficient options bring challenges to the decision tables.

   Manual interpretation to connect with HVAC systems or BMS protocols will be bugging people’s patience and leading to further complications without proper guidance. Consequently, company budgets are recommended to be used wisely on specialized devices that support various types of connectivity, like Wi-Fi, MQTT, Modbus, and BACnet.

   With the right choice, the strategic integration of CO₂ sensors deployed into demand-controlled ventilation (DCV) systems in buildings could also assist ventilation to prevent excessive consumption while optimizing occupant health.

 

6. Compliance With Standards and Certifications

   As global awareness grows, green building certifications have become a pivotal factor in the real estate sector, along with a huge interest in air quality. According to official reports, carbon dioxide has now been recognized as one of the main traits that the industry is focusing on, where it can be a game-changing factor for affecting employees’ well-being and productivity; a key foundation while building healthy buildings, schools, and workplaces; and a core requirement for WELL, LEED, and RESET certifications.

 

 

With that being said, prioritizing these requirements helps to secure a win-win scenario: where developers get to track progress across the site by matching all core pillars of sustainability targets, which include energy efficiency and indoor air quality. Stakeholders are also available to promote more competitive listings, attract high-value clientele, and develop properties proven to reduce operational costs while outpacing local market appreciation, whereas occupants freely enjoy a peaceful environment without having to withstand toxic air.