{"source":"Breaknorm","page":"https://breaknorm.co/company/nationalhvacservice.com","license":"https://breaknorm.co/terms","domain":"nationalhvacservice.com","name":"National HVAC Service","legal_name":"National HVAC Service","country":"US","country_second":"GB","city":"Nashville","admin1":"Tennessee","vertical":"property_construction","subvertical":"plumbing_heating_sanitary_trades","leaf":"hvac_air_conditioning_contractor","summary":"National HVAC Service is a service company that provides heating, air conditioning and energy solutions for commercial, industrial, government and other facility customers. Its offerings include emergency repair, planned maintenance, system design and installation, retrofits, operational assessment, indoor air quality and energy optimization. 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