Your chimney provides protection against fire hazards, and the firebox has the same function. With regular chimney inspections and proper maintenance, you are helping to prevent a dangerous fire and avoiding repairs much more expensive than the cost of preventative measures. Hiring a professional chimney technician gives you the benefits of training, experience, and the best tools for the job of inspecting a chimney. Professionals also provide your best defense against the dangers of operating a fireplace when the chimney needs repairs. If you are interested in a do-it-yourself chimney and fireplace inspection, the following gives you an idea of what you can look for.