The Mad Hatter has been in business since 1978 and is one of the largest Chimney Service companies in the nation. We inspect, clean, service and repair all areas of your fireplace and chimney. All of our technicians are drug-screened and extensively background-checked. Per The National Fire Protection Association, homeowners should have their chimneys, vents and fireplaces inspected at least once a year to ensure safe operation of their fireplace and chimney.