Terms And Conditions for discounts and information. You may only use one coupon code or 10 to 15 percent off per residence. Any and all discounts advertised will be for residential unless agreed and negotiated with owner or a head director of Aegis Fire And Security Systems. The Selected Services are chosen and discussed by the technician, engineer, manager or sales representative that is and will be taking care of the services provided by them. any and all agreements are to be shown on the invoice. Any and all information provided is secure and we do not share any information. we believe in confidentiality and privacy of any and all clientele.