Dirk - 

Forgive my listing of things you already know, but one must cover all the 
bases:
Have your utility company do a knock-down-drag-out energy audit so you're 
sure you know where the energy isseus are, and so they can tell you what to 
do first, and easily, to make a difference right away. The caulking and 
weather-stripping you'd do to keep heat in, will also keep in air-conditioning.

Keeping the lights off until needed AND gradually changing to lower-demand 
bulbs, will lessen the draw for lighting and for cooling. Colonial Williamsburg has 
had tremendous results from timed lights in new galleries. But ifyou can't put 
in those sensors or timers, just develop the habit of patrolling and turning off 
lights..it will help. 

Changing your non-collections spaces to 68 in the winter and 74 in the 
summer should be a must.  I live and work at 62 and 82 now...took awhile to 
get there though.

Make sure your air filters are clean and your systems serviced

Monitor water use and figure out what you can reasonably do to reduce it - 
because a LOT of energy expense goes to moving around that water. If you're 
not using it, you're not paying for it to come or go, and you're not buying the 
electricity to help it come and go. Automoatic faucets do less for you than 
you might think (USGBC thinks you save 10% only), so think low-flow, no-flow 
or dual-flush equipment next time you upgrade...if you're an historic house or 
other site with tank toilets, fill up a container of water to displace the amount 
put drawn into the tanks - every little bit helps. 

And most of all - track you bills and record your changes so you know what 
might be working in your favor.

Those are the biggest ones. Good luck.

Sarah Brophy
bMuse
www.bmuse.net

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