Recover waste heat. Engineer cleaner energy.
Zibo Qiyu designs and manufactures air-to-air heat exchangers and waste-heat recovery systems for industry, HVAC and clean-energy applications worldwide.
Heat exchanger families
Plate, rotary, cross-flow and counter-flow cores engineered for drying, ventilation, purification and flue-gas applications.
Drying heat recovery
Drying heat recovery
View series →Fresh air purification
Fresh air purification
View series →Cross flow heat exchanger
Cross flow heat exchanger
View series →Counterflow heat exchanger
Counterflow heat exchanger
View series →rotary heat exchanger
rotary heat exchanger
View series →Flue gas plume elimination
Flue gas plume elimination
View series →mine ventilation
mine ventilation
View series →Breeding ventilation
Breeding ventilation
View series →Heat recovery bin
Heat recovery bin
View series →Air conditioning unit
Air conditioning unit
View series →Featured products
How to Estimate Heat Recovery Savings and Payback
A step-by-step method to estimate annual energy savings, fuel cost reduction and payback period for air-to-air…
How to Select the Right Air-to-Air Heat Exchanger for Your Application
A practical guide to choosing between plate, rotary, cross-flow and heat-pipe air-to-air heat exchangers based on…
Fresh-Air Energy Recovery in HVAC Systems with Cross-Flow Plate Exchangers
Cross-flow plate heat exchangers pre-condition outdoor air in air-handling units, slashing heating and cooling loads while…
Flue Gas Plume Elimination and Waste Heat Recovery with Cross-Flow Exchangers
Cross-flow plate heat exchangers reclaim sensible heat from wet flue gas and help suppress the visible…
Energy-Saving Ventilation in Livestock and Poultry Houses with Cross-Flow Exchangers
Cross-flow plate heat exchangers recover heat from animal-house exhaust to warm incoming fresh air, cutting heating…
Pharmaceutical Cleanroom Exhaust Heat Recovery with Cross-Flow Exchangers
In GMP cleanrooms, cross-flow plate exchangers recover heat from exhaust air without any risk of particle…
Built for your process
From drying lines to mine ventilation, we match the right recovery core to your operating conditions.
How to Estimate Heat Recovery Savings and Payback
A step-by-step method to estimate annual energy savings, fuel cost reduction and payback period…
02How to Select the Right Air-to-Air Heat Exchanger for Your Application
A practical guide to choosing between plate, rotary, cross-flow and heat-pipe air-to-air heat exchangers…
03Flue Gas Plume Elimination and Waste Heat Recovery with Cross-Flow Exchangers
Cross-flow plate heat exchangers reclaim sensible heat from wet flue gas and help suppress…
04Energy-Saving Ventilation in Livestock and Poultry Houses with Cross-Flow Exchangers
Cross-flow plate heat exchangers recover heat from animal-house exhaust to warm incoming fresh air,…
Calculate, size & compare
Interactive calculators to help you estimate savings, select the right core and compare heat exchanger types.
Savings Calculator
Estimate payback and annual energy savings from waste-heat recovery.
Type Selector
Pick plate, rotary, cross-flow or heat-pipe for your application.
Psychrometrics
Dew point, wet-bulb, humidity ratio, enthalpy and specific volume.
Duct Loss
Estimate friction and fitting losses for round and rectangular ducts.
Drying Recovery
Size waste-heat recovery for drying ovens and dehumidifiers.
Product Comparison
Side-by-side comparison of plate, rotary, cross-flow and heat-pipe.
Need a custom heat recovery solution?
Send us your process parameters and we will engineer the right exchanger.