This tutorial explains about heat load calculation using hap using app or software in excel sheet. Hope you will understand heat load calculation in hvac with software and excel.#HVACinHindi #hapheatloadcalculationbr br Thanks and Love #TecEngineeringbr br LIKE | COMMENT | SHARE | SUBSCRIBEbr =====================================br ==========br br Hap 4.5 Software Downloadbr br Website - Facebook - br Telegram Group br br Instagrambr br Gmailbr tecmep46@gmail.