Air Curtains

Can the ACT air curtain be surface mounted? Can the AB air curtains be mounted vertically? What replaces the ACR air curtain ? What replaces the AC air curtain How is the AB Gas Fired Air Curtain assembled? Is the combustion fan 200421 still available for the Gas Fired AB Air Curtain? How many modules can you integrate into an AB Industrial door curtain installation? What types of AB Industrial door curtains are there? What are the models of Guardian door curtains? What heat options are on the Guardian door curtains? What widths are the GUARDIAN air curtains heaters?