Structured Manufacturing Data (2026)

Heating/Cooling Coil Section

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Heating/Cooling Coil Section used in the Repair and Installation of Machinery and Equipment sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Heating/Cooling Coil Section is characterized by the integration of Coil Tubes and Fins. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper tubes construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A modular section within an Air Handling Unit (AHU) containing coils for heating or cooling air

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Product Specifications

Technical details and manufacturing context for Heating/Cooling Coil Section

Definition
The Heating/Cooling Coil Section is a critical component of an Air Handling Unit (AHU) that houses heat exchange coils responsible for adjusting the temperature of air passing through the system. This section typically contains either heating coils (using hot water, steam, or electric elements) or cooling coils (using chilled water or refrigerant) to condition the air to the desired temperature setpoint before distribution to occupied spaces.
Working Principle
Air flows through the coil section where it comes into contact with the coil surfaces. For heating, hot water or steam circulates through the coils, transferring thermal energy to the air. For cooling, chilled water or refrigerant absorbs heat from the air, lowering its temperature. The coil's finned tube design maximizes surface area for efficient heat transfer between the fluid inside the tubes and the air passing over the fins.
Common Materials
Copper tubes, Aluminum fins, Galvanized steel casing
Technical Parameters
  • Coil section dimensions (height × width × depth) for AHU integration (mm) Per Request
Components / BOM
  • Coil Tubes Part
    Contain heating/cooling fluid for heat transfer
    Material: Copper
  • Fins Part
    Increase heat transfer surface area between tubes and air
    Material: Aluminum
  • Header Part
    Distribute fluid to multiple coil tubes and collect return fluid
    Material: Copper or steel
  • Casing Part
    Structural enclosure that directs airflow through coils
    Material: Galvanized steel
  • Drain Pan Part
    Collects condensation from cooling coils
    Material: Stainless steel or galvanized steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Heating/Cooling Coil Section.

Coil Section Heat Exchange Section AHU heating coil replacement cooling coil section repair modular coil section installation copper tube aluminum fin coil galvanized steel casing coil unit

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Air Handling Unit (AHU)
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 25 psig (1.72 bar) working pressure, 50 psig (3.45 bar) test pressure
flow rate: 100-10,000 CFM (2.83-283 m³/min) air flow range
temperature: -20°C to 120°C (operating), -40°C to 150°C (design)
face velocity: 300-700 fpm (1.5-3.6 m/s) recommended
Media Compatibility
✓ Chilled water/glycol solutions ✓ Low-pressure steam (≤15 psig) ✓ Refrigerant (R-410A, R-134a)
Unsuitable: Corrosive chemical fumes or abrasive particulate-laden air streams
Sizing Data Required
  • Required heating/cooling capacity (BTU/hr or kW)
  • Entering air conditions (dry bulb/wet bulb temperatures)
  • Available fluid pressure drop (for hydronic coils) or refrigerant circuiting requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced pitting and perforation
Cause: Exposure to corrosive condensate, chemicals in air streams, or improper material selection leading to galvanic corrosion between dissimilar metals in coil and fin construction.
Fouling and airflow restriction
Cause: Accumulation of dirt, debris, biological growth, or scale on coil surfaces due to inadequate filtration, poor maintenance, or water treatment issues, reducing heat transfer efficiency and increasing pressure drop.
Maintenance Indicators
  • Visible water leakage or corrosion stains around coil connections and drain pans indicating seal failure or material degradation
  • Audible hissing or gurgling sounds during operation suggesting refrigerant leaks, air entrapment in hydronic systems, or improper drainage
Engineering Tips
  • Implement routine coil cleaning with appropriate chemical solutions and low-pressure water rinsing to remove fouling without damaging fins, combined with regular inspection of protective coatings and sacrificial anodes where applicable
  • Maintain proper water chemistry in hydronic systems with corrosion inhibitors and biocides, and ensure air filtration meets ISO 16890 standards to minimize particulate loading on coil surfaces

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI/ASHRAE 33-2016 - Methods of Testing Forced Circulation Air Cooling and Air Heating Coils DIN EN 1886:2007 - Ventilation for buildings - Air handling units - Mechanical performance
Manufacturing Precision
  • Tube diameter: +/-0.05mm
  • Fin spacing: +/-0.1mm
Quality Inspection
  • Hydrostatic pressure test
  • Leak detection test (helium or refrigerant)

Factories Producing Heating/Cooling Coil Section

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in this heating/cooling coil section?

This coil section features copper tubes for efficient heat transfer, aluminum fins for enhanced surface area, and a durable galvanized steel casing for corrosion resistance.

How do I install this modular coil section in an existing AHU?

Installation involves securing the galvanized steel casing to the AHU frame, connecting the coil headers to your system's piping, and ensuring proper sealing and drainage with the included drain pan.

What maintenance does this coil section require?

Regular maintenance includes cleaning the aluminum fins to prevent airflow restriction, checking for tube corrosion or leaks, and ensuring the drain pan remains clear to prevent water accumulation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Repair and Installation of Machinery and Equipment.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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