Luxury hotels invest heavily in lobby climate and appear LEED-certified. Guest rooms and corridors receive lower thermal design priority because less visible to arriving guests. Comfort gradient results: guests arrive impressed by lobby, walk to corridors and rooms, experience degraded thermal comfort. Complaints follow pattern. Thermopod™ Biothermal Microconditioning is Easy Retrofit for corridors: install during night maintenance hours, no ductwork modification, operates silently. Combined with lobby system, creates thermal parity across all guest-facing areas. LEED certification simplified when all zones meet standards simultaneously. Guest satisfaction improves measurably. Retention and referral improve from satisfied guests.