Practical, cost-effective ways to protect employees, equipment, and energy budgets during peak heat. 

As temperatures rise during the summer months, so do the risks associated with inadequate cooling in manufacturing environments. Excessive heat can compromise employee safety and comfort, strain HVAC systems, and increase the likelihood of equipment failure. 

While maintaining comfortable temperatures on the factory floor is critical, doing so can be challenging, especially for facilities working with tight budgets or energy efficiency goals. The good news: improving cooling performance doesn’t always require a full system overhaul. Below are seven practical, proven strategies to help keep your plant cooler while managing energy costs. 

1. Install HVLS Fans 

Proper air circulation is one of the most effective ways to reduce heat buildup on the factory floor. While standard fans may offer limited relief, High Volume Low Speed (HVLS) fans are designed to move large amounts of air efficiently, breaking up hot air stratification and creating a consistent cooling effect. 

Many HVLS fans are also programmable and can work in tandem with existing HVAC systems to improve comfort while lowering overall energy usage. When selecting a fan, key considerations include blade diameter, rotational speed, and blade pitch. If you’re unsure where to start, your local GaMEP region manager can help connect you with reputable vendors that offer multiple options and site evaluations. 

2. Change the Color of Your Roof 

Roof color plays a larger role in facility temperature than many organizations realize. Dark-colored roofs absorb and retain heat, while lighter-colored or reflective surfaces help deflect solar radiation. 

If your facility has a dark roof that contributes to higher interior temperatures, upgrading to a light-colored roof can significantly reduce heat gain and improve long-term energy efficiency. For plants where a full roof replacement isn’t feasible, reflective roof coatings offer a more affordable alternative and can be applied similarly to paint while delivering impactful thermal benefits. 

3. Insulate Your Building, Piping, and Equipment 

Proper insulation is essential for controlling heat within a manufacturing facility. Without it, excess heat escapes into work areas, forcing cooling systems to work harder and driving up energy costs. Insulating walls, piping, and mechanical equipment helps stabilize temperatures and improves overall efficiency. 

Tools such as mobile-connected thermal imaging cameras can help identify energy loss from missing or damaged insulation, inefficient HVAC components, or electrical issues, allowing facilities to target improvements where they matter most. 

4. Practice Preventive Maintenance 

Routine HVAC preventative maintenance helps cooling systems operate closer to peak efficiency, lowering energy costs and reducing the risk of costly mid-season failures. While maintenance may seem straightforward, small warning signs, such as unusual noises, inconsistent temperatures, or clogged filters, can be easily overlooked. 

Even basic actions like regularly changing air filters can produce noticeable improvements. Whether through an external service provider or trained internal staff, consistent maintenance scheduling is a critical step in managing summer heat effectively. 

5. Shift Your Operational Hours 

For facilities with scheduling flexibility, adjusting operational hours can reduce heat exposure. Running heat-generating equipment during overnight or early morning shifts can minimize thermal buildup and ease demand on cooling systems, while providing employees with a more comfortable work environment during extreme summer temperatures. 

6. Invest in Zip Doors 

Frequent door openings throughout the day allow cool air to escape and hot air to enter, contributing to temperature fluctuations and higher energy use. High-speed zip doors help address this issue by automatically closing quickly and securely after each use. 

Some models include alerts if doors remain open too long and are constructed from flexible materials that better withstand impact, reducing damage and maintenance costs, all while helping maintain consistent airflow throughout the facility. 

7. Install Locked Programmable Thermostats 

One of the simplest and inexpensive ways to improve cooling efficiency is also one of the most commonly overlooked: controlling thermostat access. In many facilities, employees adjust temperature settings throughout the day based on personal comfort, causing HVAC systems to constantly cycle and work harder than necessary. 

Installing programmable thermostats with locked settings helps maintain consistent temperatures, reduce unnecessary system strain, and lower energy costs. These thermostats can be scheduled to align with operational hours, automatically adjusting temperatures during off-shifts or low-occupancy periods without manual intervention. Programmable thermostats can also be adjusted with season changes. 

By limiting unauthorized changes and creating a controlled cooling strategy, facilities can improve comfort, extend HVAC system life, and avoid the hidden costs of constant temperature fluctuations. 

Enhance Workplace Safety with Proven Manufacturing Cooling Methods Today 

Utilizing these seven strategies will help keep temperatures lower and conditions more comfortable for employees, but in the hot summer months, it is important to recognize heat stress before it causes injury. Keep your employees safe by educating yourself and employees on heat illness prevention strategies with this class from our partners at Georgia Tech Safety, Health, and Environmental Services. 

If you’re looking to reduce energy costs, improve cooling efficiency, keep employees safe from heat stress, or strengthen your preventative maintenance strategy, contact your local GaMEP region manager to explore customized solutions for your facility.