 Smoke and carbon monoxide detectors are two of the best life-saving investments for the safety of your family. Mr. Sparky will install the best unit for your home. Call 937-998-3300. Mr. Sparky is independently owned and operated. Licensed in the respective state or county. The doctor's office that accidentally mixed up your files has your social security number. The power company that mistakenly cut your service has your payment info. And the hotel that lost your reservation has your passport number.