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Help CenterCustom High-efficiency Pillow-type Heat Recovery Unit With 5-Year Warranty and Mill Test Report
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with annual export sales of US$5–10 million. We are proud to introduce our Custom High-efficiency Pillow-type Heat Recovery Unit, designed to maximize energy savings in commercial and industrial ventilation systems. This unit combines advanced cross-flow heat exchange technology with a compact pillow-shaped structure, offering exceptional thermal efficiency and long-lasting durability. Backed by our 5-year warranty and a comprehensive Mill Test Report, it is the ideal solution for clients seeking reliable, custom-tailored heat recovery.
Key Features & Benefits:
- High Heat Recovery Efficiency: Recover up to 85% of exhaust air energy, drastically reducing HVAC operating costs.
- Pillow-type Design: Optimized airflow channels minimize pressure drop while maximizing heat transfer surface area.
- Customizable Dimensions: Available in any size to fit your ductwork and space constraints – contact us for your specific requirements.
- Robust Construction: Made from corrosion-resistant aluminum alloy or stainless steel (optional), suitable for harsh environments.
- Low Maintenance: Smooth surfaces and accessible design allow easy cleaning and inspection.
- 5-Year Warranty: Covers manufacturing defects, giving you peace of mind.
- Mill Test Report Provided: Each unit is tested for performance and leak tightness; report is included with shipment.
Technical Specifications:
| Parameter | Value / Range |
| Heat Recovery Efficiency | 75% – 85% |
| Airflow Capacity | 500 – 10,000 m³/h (customizable) |
| Operating Temperature | -20°C to +60°C |
| Pressure Drop | ≤ 150 Pa (at rated flow) |
| Material Options | Aluminum 6063 / SS304 / SS316 |
| Connection Size | Custom flanged or spigot |
Why Choose Boli as Your Heat Recovery Partner?
With over 25 years of manufacturing experience, our factory in Hengshui, Hebei, has exported to over 15 countries and regions across North America, Europe, Asia, and Africa. We strictly control quality from raw material selection to final testing. Each unit is individually inspected and accompanied by a Mill Test Report confirming its performance. Our 5-year warranty is a testament to our confidence in product reliability. We offer flexible customization – from size to material – to match your project needs exactly. Contact us today for a quote or technical consultation.
Frequently Asked Questions
-
What is a pillow-type heat recovery unit?
It is a cross-flow heat exchanger with a unique pillow-shaped core that allows air streams to pass through separate channels, transferring heat from exhaust to fresh air without mixing. -
How efficient is this unit?
Our standard units achieve 75–85% thermal efficiency, depending on airflow and temperature difference. Higher efficiency can be customized. -
Can I order a specific size?
Absolutely. We manufacture custom dimensions to fit your ductwork. Provide your required airflow and connection size, and we will design accordingly. -
What does the 5-year warranty cover?
It covers defects in materials and workmanship under normal use. The warranty does not cover damage caused by misuse or improper installation. -
What is a Mill Test Report?
It is a document that certifies the material composition and mechanical properties of the metal used in the heat exchanger, ensuring traceability and quality. -
Can this unit be used for outdoor installation?
Yes, with optional weatherproof housing and corrosion-resistant materials. Please specify outdoor use when ordering. -
Do you provide installation support?
We provide detailed installation manuals and technical drawings. For complex projects, remote consulting is available upon request. -
What are the shipping ports?
We ship from Tianjin, Qingdao, or Shanghai. Delivery time depends on order quantity and destination.
Contact our sales team at Boli Hardware Wiremesh Products Factory for a customized solution. We are ready to help you reduce energy costs with a reliable, high-efficiency heat recovery unit.
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