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Open WhatsApp — It's FreeInstant HVAC fault diagnosis, refrigerant calculations, and commissioning guidance via WhatsApp. Trained on manufacturer service manuals from 50+ brands including Daikin, Carrier, Trane, Mitsubishi Electric, LG, Lennox, and York. Covers VRF systems, chillers, split units, rooftop packages, and controls.
- Equipment diagnostics and fault codes
- Manufacturer spec lookups
- Preventive maintenance checklists
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144,088 technical documents across 44 manufacturer brands and 69,275 models — every source this bot draws from, browsable in one place.
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