How should air be handled by non-circulating direct gas-fired industrial air heaters?

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Handling air properly is essential for the efficient operation of non-circulating direct gas-fired industrial air heaters. In this context, ducting air directly from outdoors is the best practice for several reasons.

Firstly, direct outdoor air ensures that the heaters are using fresh air, which is crucial for combustion efficiency. This makes sure there is an adequate supply of oxygen for the gas combustion process, leading to better fuel efficiency and minimizing the potential for generating harmful emissions.

Additionally, drawing air from outdoors helps maintain better control over indoor air quality. Using indoor air can lead to contamination issues or a build-up of harmful gases, especially in enclosed industrial settings. Outdoor air typically has a more consistent temperature and quality, which is beneficial for the heating process.

Using air from a basement or mixing with indoor air can introduce various contaminants and moisture that could hinder the heater's efficiency and performance. Providing air through filters is generally a good practice for improving air quality but does not substitute for the need to source air from outside in this specific context. By prioritizing outdoor air, the heaters can operate more effectively and maintain a healthier working environment.

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