EXHIBIT 3 AGREEMENT AS TO JOINT FILING OF SCHEDULE 13D Each of the undersigned hereby agrees that this Schedule 13D is, and any future amendment hereto may be, filed on its behalf in a single filing. October 23, 2000 UNITED TECHNOLOGIES CORPORATION...Agreement as to Joint Filing of Schedule 13d • October 23rd, 2000 • Solar Acquisition Corp • Air-cond & warm air heatg equip & comm & indl refrig equip
Each of the undersigned hereby agrees that this Schedule 13D is, and any future amendment hereto may be, filed on its behalf in a single filing.
