Which Heat Exchanger Do I Need?
Answer two steps and get an engineering recommendation. Rules follow QIYU field practice for mines, data centers, drying, pharma, commercial and boiler duties.
Step 1 — Your application
Mine / dusty exhaustContaminated, particulate-laden air
Data center / clean roomStrict isolation, low downtime
Drying / exhaust humidityHot, humid process exhaust
Commercial buildingShared return + supply air
Pool / lab / humid spaceHigh latent load
Pharma / clean exhaustNo air recirculation
Boiler flue gasCondensing / plume abatement
General / otherStandard ventilation recovery
Step 2 — Duty details
Yes — humidity matters
No — heat only is enough
Yes — zero mixing required
No — same building air
Max efficiency
Compact / freeze-tolerant
Lowest cost
If you skip a detail we apply the standard QIYU rule for that application.
Want a verified sizing?
Share your airflow, supply/exhaust temperatures and exhaust description — we will confirm the core, freeze protection and pressure budget.
Call: 15753355505
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