OPPs...this one
http://www.homedepot.com/prel80/HDUS/EN_US/diy_main/pg_diy.jsp?CNTTYPE=PROD_META&MID=9876&com.broadvision.session.new=Yes&CNTKEY=Products_2%2fPower+Tools%2fAir+Compressors+%26+Accessories%2fAir+Compressors
I have this Northern tool electric heater...220 volt...it works good here in North Carolina....
http://www.northerntool.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=6970&productId=595&R=595
I hooked up this heater from Northern Tool...its 220volt...electric, no open flame or moisture from propane/natural gas...
http://www.northerntool.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=6970&productId=595&R=595