A BVS Worker Performing Maintenance on an open AHU With The Copper Coil Visible


The Air-Handling Unit is constructed from many different components that play a crucial role in regulating air quality and air temperature. Among those components is the AHU coil which is responsible for the heating and cooling of the air. In this article, we’ll delve into the importance of replacing both your AHU coils when necessary, and the positive impact is can have on the overall performance of you HVAC system.


Common Benefits

1. Enhanced Energy Efficiency

Over time, AHU coils can accumulate dirt, debris, and wear and tear, which negatively impact the system’s energy efficiency. Inefficient coils require your HVAC system to work harder to achieve the desired temperature, leading to increased energy consumption. Replacing worn-out coils can significantly improve energy efficiency, resulting in lower utility bills and reduced environmental impact.

2. Optimal Temperature Control

A deteriorating AHU coil can lead to irregular heating or cooling, making it challenging to maintain a comfortable indoor temperature. Uneven heating and cooling can result in discomfort and dissatisfaction among occupants. By replacing your AHU coil, you can ensure that your HVAC system operates smoothly, delivering consistent and precise temperature control.

3. Improved Air Quality

AHU coils are essential for maintaining indoor air quality. When coils are in poor condition, they can become a breeding ground for mould, bacteria, and allergens. Additionally, they may struggle to dehumidify the air properly, leading to excess moisture and potential indoor air quality issues. Replacing your AHU coil promotes better air quality, reducing the risk of respiratory problems and allergies among occupants.

4. Increased AHU Lifespan

Regularly replacing the AHU coil as part of routine maintenance can extend the lifespan of your entire HVAC system. Proactive measures can prevent more extensive and costly damage to other system components. This means you won’t have to replace your entire HVAC system prematurely, saving you money in the long run.

5. Reduced Maintenance Costs

AHU coils that are past their prime often lead to more frequent HVAC system breakdowns and repairs. Continuously fixing issues related to worn-out coils can be expensive and inconvenient. By investing in a new coil, you can reduce the need for constant maintenance, freeing up your time and budget for other important matters.

6. Environmental Responsibility

An efficiently operating HVAC system is not only cost-effective but also environmentally responsible. Reduced energy consumption contributes to a smaller carbon footprint and helps in the conservation of natural resources. By replacing your AHU coil when necessary, you’re actively participating in sustainable practices.

7. Enhanced Comfort and Productivity

A well-functioning HVAC system with a fresh AHU coil provides a comfortable indoor environment that enhances occupant comfort and productivity. Whether it’s your home or workplace, a comfortable atmosphere can positively impact overall well-being, concentration, and performance.


Your AHU coil is a critical component of your HVAC system, and its proper functioning is essential for your comfort and health. Replacing your AHU coil when it shows signs of wear and tear is an investment in the long-term performance, energy efficiency, and durability of your HVAC system. It not only saves you money in terms of reduced energy bills and maintenance costs but also contributes to a healthier, more comfortable indoor environment. Make sure to schedule regular maintenance and consult with HVAC professionals to determine when it’s time to replace your AHU coil, ensuring your HVAC system operates at its best.

If you want to learn more about AHU coil replacements, feel free to send us an email at info@bvs-ltd.co.uk or give us a call 01256 518170