Don kasheen mai yawa a Armenia, kumun BAQ na Holtop suka bayyana AHU na tattalin yadda aiki ne (fresh-air heat recovery AHU) mai ƙarfi wanda ke cikin DX system. Alama ta gudanar da tattalin yadda aiki ne (fresh air) mai sauyi halin yanzu — ta sauya ko ta sanya yadda aiki ne (preheating or cooling) ta hanyar amfani da energy da aka samu daga yadda aiki ne (indoor exhaust) — don haɗa halin yanzu na kasheen wanda ke cikin halin yanzu na fage.
Alama na tattalin yadda aiki ne (heat-recovery wheel DX air handling unit) ta amfani da DX coil don tabbatar da yadda aiki ne (fresh-air supply temperature) na 24–26°C. Holtop ya shiga shi da modular chiller mai sauyi yadda aiki ne (air-cooled modular chiller) wanda ya bayyana yadda aiki ne (7°C chilled water) ga fan coil units (FCU) na gida, wanda ya tsara halin yanzu na gida a kowane yanki. Suka haɗa su don haɗa halin yanzu na HVAC wanda ke cikin halin yanzu na ƙarfi.
Holtop ko da yaushe bi high-iya aiki, hadedde HVAC mafita cewa bi iska more tattalin arziki, dadi da kuma lafiya. Ga gidajen cin abinci, otal-otal da wuraren baƙi na kasuwanci, haɗuwa da AHU mai dawo da zafi da mai sanyaya na zamani yana rage farashin aiki yayin kiyaye ƙwarewar cikin gida.

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