Skip to content
HVAC Coils
Heatxforce design and manufacture complete HVAC coil solutions for air conditioning, ventilation, and process cooling applications across multiple sectors. We can produce coils in a wide range of materials and configurations to suit your system requirements and operating conditions. We can supply complete new coils or carry out supporting works including refurbishment, repair, re-coiling, pressure testing, cleaning, and performance upgrades.
From specification and design through to installation, refurbishment, repair, maintenance, and ongoing support, we deliver reliable and efficient HVAC coil solutions tailored to demanding operational environments.
We work closely with clients to improve thermal performance, increase energy efficiency, reduce operating costs and extend equipment life through bespoke coil solutions and expert engineering support.
Experts in Design, Supply, Repair & Installation
Speak with our experts
Fill out our quick and easy contact form with your enquiry and we'll get back to you.
HVAC Coils Explained
What Are HVAC Coils?
HVAC coils are key components within heating, ventilation, and air conditioning systems that help transfer heat to achieve the desired indoor temperature. They are typically made from copper tubes with aluminium fins and are designed to either heat or cool the air as it passes through the system. In simple terms, they are the parts of an HVAC unit that do the actual temperature-changing work.
There are different types of HVAC coils depending on the system and its purpose. Evaporator coils are used for cooling, condenser coils help release heat, and heating coils are used to warm the air. Because they sit at the centre of the heat transfer process, HVAC coils play a major role in system performance, energy efficiency, and indoor comfort.
Where Are They Used?
HVAC coils are used in a wide variety of residential, commercial, and industrial buildings. They are found in air conditioning units, heat pumps, air handling units, fan coil units, chillers, rooftop units, and ventilation systems. Anywhere that air needs to be heated, cooled, or dehumidified, HVAC coils are likely to be part of the system.
They are commonly installed in homes, offices, schools, hospitals, shopping centres, warehouses, factories, and other climate-controlled spaces. Their versatility makes them suitable for everything from small domestic systems to large-scale commercial and industrial HVAC installations where precise temperature management is essential.
How Do They Work?
HVAC coils work by transferring heat between the air and the refrigerant, water, steam, or electric element inside the coil. As air moves across the coil surface, the coil either absorbs heat from the air or adds heat to it, depending on whether the system is cooling or heating. The fins attached to the tubes help increase surface area, allowing heat transfer to happen more efficiently.
In a cooling application, warm indoor air passes over a cold evaporator coil, and the coil absorbs heat from the air, lowering its temperature before the air is circulated back into the room. In a heating application, warm water, steam, or electric resistance inside the coil heats the air as it passes over the surface. This process allows HVAC systems to maintain comfortable indoor conditions consistently and efficiently.
The performance of an HVAC coil depends on factors such as coil size, material, airflow, fluid temperature, fin design, and cleanliness. When properly selected and maintained, HVAC coils help improve energy efficiency, system reliability, and overall comfort in a wide range of environments.
Find Your HVAC Coils Solution
HVAC Coils Specification & Design
Heat Transfer Requirements
Calculating the required heat transfer capacity based on building-specific factors like room size, insulation, and outdoor climate can be complex.
Heatxforce's Specification and Design services meticulously analyse your heating exchange needs to determine precise heat transfer requirements. We ensure optimal performance by tailoring coil designs to meet specific building demands and conditions.
Steam Pressure and Temperature
Coils must be designed to handle specific steam pressures and temperatures, requiring careful material and design selection.
Our experts at Heatxforce select and engineer coils to withstand your system’s exact pressure and temperature conditions, ensuring reliable and safe operation.
Material Selection
Choosing materials resistant to corrosion and scaling, especially with impure steam, is critical.
Heatxforce utilises high-quality, corrosion-resistant materials such as copper, aluminum, and stainless steel, customised to handle your steam system’s unique conditions and prevent long-term issues.
Coil Design and Configuration
The design must maximise heat transfer while fitting within the available space, considering length, width, and fin arrangement.
We design and configure coils to optimise heat transfer and fit seamlessly within your space constraints, ensuring efficient operation and minimal disruption.
Flow Dynamics
Proper steam distribution across the coil surface is necessary to avoid hot spots and inefficient heating.
Heatxforce engineers design coils for even steam distribution, carefully managing steam velocity and flow dynamics to ensure uniform heating and efficiency.
Maintenance Access
Coils need to be designed for easy maintenance and cleaning, addressing potential buildup of deposits or scale.
Our designs prioritise accessibility for maintenance and cleaning, incorporating features to manage deposits and ensure long-term performance with minimal upkeep.
Safety Standards
Adherence to safety standards and codes, such as ASME guidelines, is essential to prevent overpressure or overheating.
Heatxforce designs coils that meet or exceed relevant safety standards and codes, ensuring safe operation and compliance with ASME and other regulations.
System Integration
The coil must be compatible with existing HVAC systems, including control systems and associated components.
We ensure that our coil designs are fully compatible with your existing HVAC infrastructure, integrating smoothly with control systems, valves, and pumps for optimal system performance.
Energy Efficiency
Enhancing energy efficiency through design elements that minimise heat loss and optimise heat transfer is important.
Heatxforce focuses on energy-efficient designs, optimising coil surface area and minimising heat loss to reduce operational costs and improve overall system efficiency.
Specialist Expertise
Expertise in steam system design is crucial for tailored solutions based on specific requirements.
Our team of specialists brings extensive experience in thermal dynamics and HVAC systems, providing expert guidance and customised solutions for your steam system needs.
Cost Considerations
Balancing design requirements with budget constraints, including material, manufacturing, and installation costs.
Heatxforce provides cost-effective solutions by evaluating all factors to balance design excellence with budget constraints, ensuring value without compromising quality.
Compliance
Designs must comply with local regulations and industry standards, which can vary by location.
We ensure that our designs adhere to all relevant local regulations and industry standards, providing compliance assurance and peace of mind.
HVAC Coils Installation & Commissioning
System Compatibility
For HVAC coils to function efficiently, they must be compatible with the existing steam system’s pressure, temperature, and flow rates. Mismatches can lead to suboptimal performance or system failures.
Heatxforce evaluates your steam system’s specifications to ensure the HVAC coils we install are precisely matched to your system’s requirements. Our detailed assessment guarantees that the coils are correctly sized and optimised for your system, enhancing performance and efficiency.
Design Specification
HVAC coils must be designed to handle the exact steam pressures and temperatures of your system. Deviations from these design parameters can result in performance issues or reduced operational lifespan.
Our team carefully reviews the design specifications for your HVAC coils to ensure they meet the exact pressures and temperatures of your steam system. This rigorous design adherence ensures reliable and effective coil performance.
Material Compatibility
The materials used in the coils need to be resistant to the corrosive effects of steam to prevent degradation over time. Using inappropriate materials can lead to premature failure of the coils.
Heatxforce selects high-quality materials, such as stainless steel and specialised alloys, for your HVAC coils. These materials are specifically chosen to resist steam-related corrosion and degradation, ensuring long-term durability and performanc
Installation Location
The location where coils are installed plays a significant role in their performance. Incorrect placement can lead to inefficient steam distribution or exposure to conditions that might cause damage, such as excessive vibration or extreme temperatures.
We strategically install HVAC coils in optimal locations to ensure effective steam distribution and avoid exposure to harmful conditions. This careful placement maximises the performance and longevity of your coils.
Safety Considerations
Installing HVAC coils in a steam system involves handling high-pressure, high-temperature conditions, which can be hazardous. Proper safety protocols and adherence to regulations are essential to prevent accidents.
Heatxforce prioritises safety during installation by following stringent safety protocols and relevant regulations. Our experienced technicians ensure that all safety measures are in place to protect both the system and personnel.
Leak Prevention
Proper sealing of connections and joints in HVAC coils is crucial to prevent leaks. Leaks can lead to system inefficiencies, energy losses, and potential damage.
Our experts meticulously seal and test all connections and joints in the HVAC coils to prevent leaks. This thorough approach ensures that your system operates efficiently and without interruptions.
Maintenance Access
For ongoing performance, HVAC coils should be installed in a manner that allows easy access for future maintenance and inspections. Poor accessibility can complicate servicing and inspections.
We plan installations with accessibility in mind, ensuring that HVAC coils are positioned to allow straightforward access for maintenance and inspections. This facilitates easier servicing and helps maintain system efficiency.
System Balancing
After installation, the HVAC system may need balancing to ensure even steam distribution and prevent issues like uneven heating or pressure drops. Imbalance can affect system performance and efficiency.
Heatxforce provides thorough system balancing services to ensure that steam is evenly distributed throughout the system. Our balancing process helps to prevent uneven heating and pressure issues, optimising overall system performance.
Commissioning
Proper commissioning is essential to verify that HVAC coils and the overall system function correctly under operational conditions. Inadequate commissioning can result in undetected issues that affect performance.
We handle the complete commissioning process, including rigorous testing of the coils and the steam system under real operating conditions. This ensures that everything is set up correctly and operates efficiently.
Compliance and Certification
Ensuring that HVAC coil installations comply with local codes and standards is necessary for legal and safety reasons. Proper certification and inspections are required for compliance.
Heatxforce ensures that all coil installations meet local codes and standards. We manage all required certifications and inspections, providing you with assurance that your installation is fully compliant and safe.
HVAC Coils Overhaul & Repair
Corrosion
Steam systems often produce moisture, which can lead to corrosion of HVAC coils over time, reducing efficiency and system reliability.
Our corrosion-resistant treatment services and coil replacement options are designed to extend the life of your system. We use advanced anti-corrosion coatings and perform thorough inspections to prevent future issues.
Leaks
Wear and tear can cause leaks in coils, resulting in decreased system efficiency and the need for costly repairs.
We detect leaks early with state-of-the-art diagnostics, sealing small issues and replacing heavily damaged coils to restore full functionality. Our preventive maintenance services also help catch leaks before they escalate.
Freezing
In colder climates, improper maintenance can lead to frozen coils, causing extensive damage and expensive repairs.
Heatxforce offers freeze-protection solutions, including insulation upgrades and strategic system enhancements. We ensure your coils are equipped to withstand cold temperatures, minimising downtime.
Scaling / Deposits
Mineral buildup inside the steam system can cause scaling on coils, reducing efficiency and leading to costly repairs.
Our descaling and cleaning services remove harmful mineral deposits, ensuring optimal coil performance. We also offer routine maintenance to prevent future scaling and enhance energy efficiency.
Pressure Imbalance
Incorrect steam pressure, whether too high or too low, can lead to coil failures and reduced heating efficiency.
Our experienced technicians diagnose and adjust pressure imbalances to protect your coils from damage. We fine-tune your system to ensure optimal pressure levels, preventing costly breakdowns.
Airflow Blockage
Dirt, dust, and debris can accumulate on coils, blocking airflow and leading to decreased system efficiency and potential damage.
Heatxforce provides comprehensive coil cleaning services, restoring proper airflow and boosting system performance. Our routine maintenance plans help prevent future blockages, ensuring long-term reliability.
Improper Installation
Incorrect coil sizing or poor installation can lead to operational inefficiencies and frequent repairs.
Our installation specialists ensure proper coil sizing and expert installation, setting up your system for success from the start. We correct faulty installations, minimising repair needs and ensuring optimal system performance.
HVAC Coils Maintenance & Service
Corrosion and Rust
Steam systems create a moisture-rich, high-temperature environment, making HVAC coils particularly susceptible to corrosion and rust over time. Regular inspections and the application of corrosion-resistant coatings are essential for preventing damage, but these processes can be costly and time-consuming.
Heatxforce offers comprehensive corrosion management services, including detailed inspections and advanced coating applications. Our expert technicians ensure your coils are well-protected, ultimately reducing long-term maintenance costs and extending the life of your equipment.
Scaling and Deposits
In areas with hard water, minerals can accumulate on HVAC coils, leading to scaling that significantly reduces heat transfer efficiency. Preventing performance loss requires routine descaling procedures or chemical treatments, which often necessitate shutting down the system for service.
Heatxforce provides effective descaling services that utilise specialised treatments designed to minimise system downtime. Our maintenance plans include regular scaling assessments and preventative measures, ensuring your system operates at peak efficiency.
Condensation and Drainage
Inefficient drainage of condensation can lead to water buildup within the coils, resulting in decreased efficiency and potential water damage. Proper installation and maintenance of the condensate drain system are critical to avoiding these issues, necessitating regular inspections to remove blockages.
At Heatxforce, we ensure your condensate drainage systems are maintained effectively. Our team conducts regular inspections and cleanings to prevent blockages, safeguarding your equipment and enhancing overall system performance.
Airflow Blockages
Dust, debris, and other contaminants can accumulate on HVAC coils, restricting airflow and reducing efficiency. To maintain optimal performance, regular coil cleaning is necessary, often involving disassembly and specialised cleaning agents.
Heatxforce offers thorough coil cleaning services that include disassembly and the use of industry-grade cleaning solutions. Our meticulous processes restore optimal airflow, helping to enhance the efficiency and longevity of your HVAC system.
Steam Trap Failures
Steam traps play a crucial role in removing condensate from steam systems but can fail over time due to wear and tear. Malfunctioning steam traps can lead to inefficiency or water hammering in the system, creating further complications that require professional diagnosis and timely replacement.
Heatxforce’s trained technicians provide expert steam trap assessments and replacements. We proactively monitor your steam traps to ensure they function correctly, preventing inefficiencies and protecting your system from potential damage.
Temperature and Pressure Control
Improper control of steam pressure and temperature can cause coil overheating or damage, potentially leading to warping or reduced efficiency. Regular calibration and maintenance of control systems are vital for ensuring correct operation.
Heatxforce specialises in calibrating and maintaining pressure and temperature control systems. Our experts ensure your system operates within optimal parameters, extending the lifespan of your coils and improving energy efficiency.
Access and Space Constraints
Accessing HVAC coils can be challenging, particularly in large, complex steam systems installed in tight or confined spaces. Maintenance may require disassembly and specialised tools, complicating service procedures and increasing downtime.
Heatxforce is well-equipped to handle these access challenges. Our technicians use specialised tools and techniques to perform maintenance efficiently, minimising disruptions while ensuring thorough and effective service.
Leak Detection and Repair
Leaks can develop in steam systems over time, whether in the coils themselves or in connecting pipes and joints. Detecting and repairing these leaks can be difficult and often requires specialised tools, such as ultrasonic leak detectors or infrared cameras, along with experienced professionals for effective repairs.
Heatxforce utilises advanced leak detection technologies to identify and address leaks promptly. Our expert team ensures your system operates efficiently and safely, reducing energy loss and improving overall performance.
Energy Efficiency Concerns
Over time, HVAC coils can lose efficiency due to wear, tear, or the buildup of deposits, resulting in increased energy consumption and costs. To maintain optimal efficiency, regular servicing—including cleaning and tuning—is required.
Heatxforce provides energy efficiency assessments and tailored maintenance plans designed to enhance performance. Our services include cleaning, tuning, and system optimisation, helping you minimise energy waste and reduce operational costs.
Proper Training and Expertise
Steam systems are complex, and improper maintenance can lead to costly damage or dangerous malfunctions. Ensuring that only highly trained professionals handle servicing is crucial for maintaining safety and efficiency.
At Heatxforce, we prioritise training and expertise. Our team consists of certified professionals who adhere to the highest safety standards, guaranteeing that your system is maintained safely and effectively.
Codes, Standards & Certifications
Heatxforce build pressure equipment in accordance with PD5500 and ASME VIII Pressure vessel codes whilst conforming to the European Pressure Equipment Directive (PED) and UKCA Pressure Equipment Safety Regulations (PESR), which are mandatory inspection requirements applicable to pressure vessels and systems.
Our welding procedures are in accordance with ISO 15614-1 and ASME IX.
Welder qualifications are in accordance with ISO 9606-1 and ASME IX.
All of our welding related qualifications are certified by TUV Nord.
For more information,
View our
brochure