Looking for more information on the mechanical requirements for residential builders? Try these resources:

• Builders Association of Minnesota (BAM): This site includes a summary of the Minnesota Mechanical Code for one- and two-family dwellings.

• BAM Helpline 1-800-654-7783. If you call the BAM Helpline and provide them with specific information about the home you're building, they will calculate your make-up air, combustion air, and ventilation air requirements for you. There is a $50 processing fee for non-members.

• Click here to purchase the Minnesota Mechanical Code, from the MN Bookstore.

• Minnesota Department of Labor and Industry Building Codes and Standards Division: Get up-to-date information on building codes and standards and rule-making activities.