We have paid Guardian Care, offered by Columbia Gas of MA for dozens of years. No notice that they sold this to Columbia Home solutions... 400.00 Annual. Used once many years ago. Now Seniors and gas hot WATER HEATER HAS A PROBLEM. HAVE FILE AND NUMBER, THEY COME OUT AND TELL US NEW HOT WATER HEATER REQUIRED, $2300.00!!!!!! CALL FIND OUT COLUMBIA GAS DOES *** NOT OWN THEM. REFUSE TO LET ME S *** PEAK WITH MANAGER AT THIS COLUMBIA HOME SOLUTIONS!!!!! SOO TWO SENIORS GO TO HOME DEPOT BUY HOT WATER HEATER, 400.00 AND INSTALL. *** *** *** *** *** ***