Air-to-air heat recovery is applied across very different buildings, and the “best” exchanger depends on what each building values most: air purity, uptime, moisture control, or simply first cost. Below are three common sectors and the logic that drives their choice.<\/p>\n
Air quality is non-negotiable. Fresh-air volumes are huge and infection control forbids stream mixing, so plate (fixed-plate) exchangers<\/a> dominate. See our dedicated hospital heat recovery guide<\/a>.<\/p>\n Here the priority is continuous, reliable cooling with the lowest possible PUE. Sensible plate recovery and air-to-water loops<\/a> feed the cooling plant; see the broader data-center heat recovery overview<\/a>.<\/p>\n Process and exhaust air carry both heat and moisture, often with grease or particulates. Enthalpic recovery plus robust cleanability wins. Our food-processing heat recovery guide<\/a> covers it.<\/p>\n For climate-specific nuance, read selection by climate<\/a>, and validate any choice with an AHU selection calculation<\/a>.<\/p>\n Each sector has a different duty profile: hospitals run 24\/7, data centers peak with IT load, food plants cycle with production shifts. The exchanger should be commissioned against that profile, not a generic test, and the as-built effectiveness recorded. A device that performs in the catalogue but is never verified on site can quietly under-deliver for years.<\/p>\n Application also dictates how the core is serviced. Food and pool environments need wash-down access; hospitals need sealed, low-leakage cores that stay clean; data centers need cores that can be serviced without taking the cooling plant offline. Specify access, cleanability, and spare-core logistics alongside first cost.<\/p>\n The same decision logic repeats everywhere: separate streams and you need a plate or heat pipe; maximize effectiveness at scale and a rotary wheel wins; humid or moist exhaust calls for enthalpic or desiccant; distant ducts call for a run-around coil. Climate nuance then fine-tunes the choice. Start from the universal checklist, then apply the sector-specific constraints above.<\/p>\n Which exchanger is right for hospitals?<\/strong> What about data centers?<\/strong> Which type suits food plants?<\/strong> Is there a universal selection rule?<\/strong>Centres de donn\u00e9es<\/h2>\n
Food plants<\/h2>\n
A universal decision checklist<\/h2>\n
\n
Commissioning to the duty profile<\/h2>\n
Lifecycle and service access<\/h2>\n
Reading across applications<\/h2>\n
Questions fr\u00e9quemment pos\u00e9es<\/h2>\n
Fixed-plate exchangers dominate because they keep streams separated for infection control. A rotary wheel is used only with a purge sector where small carryover is acceptable.<\/p>\n
Sensible plate recovery and air-to-water loops feed the cooling plant, prioritizing the lowest possible PUE and continuous reliability.<\/p>\n
Enthalpic recovery plus robust, cleanable cores handle the grease, moisture, and particulates in process and exhaust air.<\/p>\n
Separate streams and you need a plate or heat pipe. Maximize effectiveness at scale and a rotary wheel wins. Humid exhaust calls for enthalpic or desiccant, and distant ducts call for a run-around coil.<\/p>\n