This archive of the original XTension site is kept alive for historical and sentimental reasons. There is a lot of great info here but many links will be broken.

XTension is alive and well and can be found here:
XTension Logo
the Tour

Our New Site

Start Here !

Where to Order

Site Map

Ideas !

Download Page

220 volt World ?

Discussion List

What Others Say

Parts is Parts



About Sand Hill
The PRO of Home Automation
Serving thousands of homes
since 1996

Version 8.0 is the Latest

XTension serves 20 different controllers
Any number of them, concurrently

Supports Oregon Scientific
and KaKu/HomeEasy wireless devices

ZWave and the Barionet

Don't miss our new WIKI site !

Be sure to see the
Features and History pages.

Just look at these screen shots

Older Tutorials and Articles Here

MacWorld: XTension will help you add features to a house that would make Bill Gates jealous.

If you have any complaints or suggestions about this website, please tell michael(at)
Copyright 2018, Sand Hill Engineering All rights reserved
Mac Made
Pages updated frequently