Pine State Services, a South Portland-based company that services heating systems, says yearly cleanings are crucial and can alert technicians to potential problems. WMTW News 8's Jim Keithley ... more 
Pine State Services, a South Portland-based company that services heating systems, says yearly cleanings are crucial and can alert technicians to potential problems. WMTW News 8's Jim Keithley reports. less 
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WMTW - Portland ME
Wed, Jun 26, 2013 7:44 PM EDT