text:  Get 24-7 news coverage on WBAL.com and the WBAL radio app. Cooling your heating system on the fritz? Call the pros at Blue Dot and we'll waive the service call fee with any cooling, heating, or plumbing system repair. Feel confident knowing the trusted technicians at Blue Dot are ready seven days a week to fix all of your cooling, heating, or plumbing problems the right way, the first time. Call now or visit Blue Dot MD for details, terms, and conditions.