coil cleaning improves energy efficiency

In today’s rapidly evolving world, energy efficiency has become a paramount concern for commercial and institutional buildings. As we strive to reduce our carbon footprint and minimize energy consumption, one often overlooked yet highly effective method is steam coil cleaning.

Coil cleaning improves energy efficiency in various HVAC systems, including air handler units, chilled water systems, and direct expansion (DX) systems. This article explores how this simple maintenance task can yield substantial energy savings, referencing organizations like the Environmental Protection Agency (EPA), American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), and National Air Duct Cleaners Association (NADCA).

The Crucial Role of Coils in HVAC Systems

Coils are essential components in HVAC systems, responsible for transferring heat between air and a cooling or heating medium. In air handler units, coils facilitate the heat exchange process, ensuring that indoor spaces remain comfortable. Chilled water systems and DX systems, on the other hand, utilize coils to extract heat from the air and maintain optimal temperatures. Over time, coils can accumulate dust, dirt, and debris, forming a layer that acts as an insulator and hampers heat transfer efficiency.

Coil Cleaning Improves Energy Efficiency

Steam coil cleaning improves energy efficiency is not just a statement; it’s backed by scientific evidence and industry standards. When coils are clogged with contaminants, they struggle to transfer heat effectively, leading to increased energy consumption. A study conducted by the EPA has shown that dirty coils can increase energy consumption by up to 37% in air conditioning systems. Therefore, regular coil cleaning is a cost-effective measure to enhance system performance and minimize energy waste.

Support from Industry Leaders

Leading organizations in the HVAC field, such as ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) and NADCA (National Air Duct Cleaners Association), stress the importance of coil cleaning. ASHRAE’s Standard 180-2018 outlines best practices for maintaining HVAC systems, highlighting the significance of coil cleanliness. NADCA, in its research, emphasizes that clean coils contribute to optimal airflow, reducing the load on HVAC systems and subsequently lowering energy consumption.

Implementation and Benefits

Regular and deep steam coil cleaning not only improves energy efficiency but also extends the lifespan of HVAC equipment, reduces maintenance costs, and enhances indoor air quality. By removing the insulating layer of dirt and debris, heat transfer efficiency is restored, allowing systems to operate at their intended capacity. The result? Reduced energy consumption, lower utility bills, and a smaller environmental footprint.

In conclusion, the importance of coil cleaning in improving energy efficiency cannot be overstated. The accumulation of contaminants on coils impedes heat transfer, leading to increased energy consumption and higher operational costs. By adhering to industry standards advocated by organizations like the EPA, ASHRAE, and NADCA, building owners and facility managers can optimize their HVAC systems, maximize energy efficiency, and contribute to a more sustainable future. Remember, a small investment in coil cleaning today can yield significant energy savings and benefits in the long run. Contact us today to get started with our PURE-Steam 14-point coil cleaning service and reduce your energy costs!


1. U.S. Environmental Protection Agency (EPA). (2015). ENERGY STAR® Guide for Buildings: Managing Energy and Costs in Buildings.

2. American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). (2018). Standard 180-2018: Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems.

3. National Air Duct Cleaners Association (NADCA). (n.d.). NADCA’s Resources and Publications.

4. Proctor, P., & Siegel, J. A. (2007). Effect of Cooling Coil Fouling on Energy Use in Humid Climates. Energy and Buildings, 39(3), 374-378.