Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!apple!motcsd!hpda!hpcupt1!hprnd!hprmokg!barry
From: barry@hprmokg.HP.COM (Barry Fowler)
Newsgroups: sci.electronics
Subject: Re: Fire detection for horse barn - how?
Message-ID: <10040013@hprmokg.HP.COM>
Date: 4 Aug 89 18:16:07 GMT
References: <825@tetons.UUCP>
Organization: HP Networked Computer Mfg. Operation
Lines: 4

You might send away for brochures from some of the burglar alarm
companies.  They also use sensors for home fire protection in
conjunction with their alarm systems.  Some manufacturers that 
come to mind are Honeywell and Ademco.