A cold chain is a heat chain Cold stores, freezers, and refrigerated warehouses move heat out continuously. That rejected heat is a free resource - if you capture it. Cold-chain recovery turns a pure energy cost into a partial energy gain. Where the heat is Condenser reject - the biggest, hottest stream (30-50C). Route it […]
District Energy Station Heat Recovery: Sharing Heat Across Buildings
One plant, many buildings A district energy station produces heating and/or cooling centrally and distributes it through a network to multiple buildings. Recovery is built in at two levels: the central plant reuses its own waste heat, and buildings return low-grade heat to the network. CHP at the core Many stations run combined heat and […]
Heat Pump Waste Heat Recovery: Lifting Low-Grade Heat
The low-grade problem Much recoverable heat is low-grade - 25-60C drain water, vent air, or process streams. Too cool to use directly, but too warm to waste. A heat pump lifts it to a useful temperature using a little electrical work. How it pairs with air-to-air recovery Start with passive air-to-air or air-to-water recovery to […]
AHU Components: Fans, Filters, and the Recovery Core
Anatomy of an Air Handling Unit An AHU conditions outdoor air before it enters a building. The core components are: the supply fan, the exhaust fan, filters, coils (heating/cooling), and - increasingly - a heat recovery core. How these are arranged decides both air quality and energy use. Fans Supply and exhaust fans move the […]
Heat Pipe Heat Exchanger Selection: When Passive Recovery Wins
What a heat pipe is A heat pipe is a sealed tube with a working fluid that transfers heat by evaporation and condensation - no moving parts, no power, no cross-flow. In HVAC, banks of heat pipes sit in the airstream to pre-cool (or pre-heat) incoming air using the exhaust stream. It is the most […]
Applications of Counter-Flow Air-to-Air Heat Exchangers
Counter-flow air-to-air heat exchangers are high-efficiency thermal management components designed to transfer heat between two separate air streams without mixing them. By allowing the hot air and cold air to flow in opposite directions, the exchanger maintains a larger temperature difference throughout the heat transfer process, achieving higher efficiency compared with traditional cross-flow designs. Due […]
Stainless Steel Air-to-Air Plate Heat Exchanger for CO/RCO Catalytic Combustion Exhaust Heat Recovery
This stainless steel air-to-air plate heat exchanger is specifically designed for use in CO (Catalytic Oxidation) and RCO (Regenerative Catalytic Oxidation) systems. It efficiently recovers waste heat from high-temperature exhaust gases generated during catalytic combustion processes, significantly reducing energy consumption and improving overall system efficiency. Constructed with high-quality stainless steel, the heat exchanger offers excellent […]
Rectangular Sensible Heat Exchange Core for EV Charging Station Ventilation | Counterflow Air-to-Air Heat Exchanger
This product is a high-efficiency rectangular sensible heat exchange core specially designed for ventilation and cooling of EV charging stations, electrical cabinets, and energy storage enclosures. Featuring a counterflow air-to-air heat exchange structure, it enables effective heat transfer between internal and external air streams while keeping them completely separated, preventing dust, moisture, and contaminants from […]
Marine Product Drying & Waste Treatment Heat Recovery Unit – Corrosion-Resistant Stainless Steel
This equipment is designed for the efficient drying and processing of seafood by-products, including fish, shrimp, shellfish, and seaweed. It features an integrated heat recovery system that maximizes energy efficiency while reducing operational costs. Constructed entirely from salt-resistant stainless steel, the unit ensures long-term durability in harsh marine and high-salinity environments. Ideal for sustainable seafood […]
QIYU Air-condition Energy Recovery Equipment Co,Ltd.
QIYU Air-condition Energy Recovery Equipment Co,Ltd. is a professional manufacturing company specialized in indoor air quality research and related product research and development, developed in combination at home and abroad combined with advanced technologies. At present, our company has set up branches in Beijing, Guangzhou, Shanghai, Chongqing, Xi’an and other major cities. With the improvement […]