HVAC systems rely on cooperation between your evaporator and condenser coils working together to get their job done. Over time, these coils can become dirty, causing the system to lose efficiency by reducing the ability to exchange heat. This causes increased energy costs and reduces the life of HVAC systems. Both are costly. How do you stop this from happening? Preventative maintenance. One of the most important things to do is make sure you follow a good coil cleaning program as part of your overall preventive maintenance program.
Dirty Coils Waste Money
When your HVAC system is operating with dirty coils, it can use up to 37% more energy than if they were clean. [i] A coil that has been fouled up with dirt, grease, or grime cannot work as efficiently as it once did. What are the dirty coils symptoms you need to watch out for?
- High Compression Ratio
- Compressor Overload
- Tripping High-Pressure Switch
- Low Capacity
- Poor Efficiency
- Coil Freezing
- Compressor Damage Due to Liquid Flood Back
Do you want to reduce the chance of issues like this occurring? Make sure you implement coil cleaning as part of your regular maintenance program. Coil cleaning should occur consistently to ensure that there is no build-up or deterioration to the coils. Do it as often as you can, especially in dusty environments, but at a minimum in the Spring and Fall, or depending on the HVAC unit’s amount of use and location.
Lack of Maintenance Reduces Efficiency
When your system is not operating efficiently, your cooling capacity can go down by 30%. Just think of what that does to monthly energy bills. Staying on top of your coil cleaning maintenance is the only way to ensure you are keeping your HVAC operating at maximum efficiency.
Do you know how to clean coils properly? The severity of the dirt on the coils will determine the cleaning method required; however, the easiest solution is to use a coil cleaning system. These products are specifically designed for cleaning coils. Simple match the system to the right coils. They are available for cleaning evaporator coils, condenser coils in rooftop units (RTU), air-cooled chillers and heat exchangers, air handling units (AHU), PTAC units, and more.
When using coil cleaning systems, it is essential to use a machine that provides just the right amount of PSI pressure to keep coils from becoming damaged. Smaller units require lower PSI and lower water volumes. In contrast, larger condenser coils may require higher pressures and water volumes up to 3.5 gallons per minute.
The Proof Preventative Maintenance Matters
You don’t have to take our word that good coil maintenance and cleaning matters. Experts have done their own research to explore how efficient an HVAC system can be with the proper maintenance. A study printed in the American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. (ASHRAE) Journal concluded that good maintenance and operation practices (including coil cleaning) could improve energy performance and indoor air quality performance.
Co-op City, a 300-acre complex with multiple establishments, and houses a total of 15,372 apartments (one of the largest New York undertakings) that are heated and cooled by convectors called Packaged Terminal Air Conditioners (PTACs). PTACs are the type of units you would find in hotel rooms. When asked how they were handling the 60,000 to 80,000 coils that make up the units, the answer was by “replacement.” When asked how they were handling the 60,000 to 80,000 coils that make up the units, the answer was by “replacement.” When a maintenance plan was introduced, the maintenance manager reported that they were doing 50% fewer replacements of the coils due to cleaning them without removing them. The Co-op City air quality was improved, and the efficiency in the units multiplied.
Westchester One houses five separate data rooms, all of which require significant amounts of cooling. Many of these server rooms operate 24 hours a day, seven days a week, 365 days a year-and the HVAC must too. There are reports that the energy bills from Westchester One have reduced by thousands because they can use the whole coil for the operation now that they can properly clean them. One bill was even $20,000 below budget!
See the Proof with Your Own Eyes
If you have been looking for a way to make the HVAC at your home or business, run more efficiently, our coil cleaning solution to help you satisfy those needs. There is no longer a need to remove coils or replace them consistently when you can clean them and extend their lives (and the life of your unit).
You don’t have to take our word for it. Try it yourself and see just how much more efficient your system is and how much money you can save. When you begin your coil cleaning program, you will see in a short time just how much better your unit runs when you keep it clean and maintained. For help deciding what solution is best for you, check out our Coil Cleaning Buying Guide.
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