- March 11 & 12, 2025
- May 13 & 14, 2025
- July 8 & 9, 2025
- September 9 & 10, 2025
- November 11 & 12, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. PLEASE NOTE: There is no smoking on the Cape Cod Lumber property which includes inside vehicles. Upcoming Class Dates: -
Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. NOTE: This new Andover location is replacing the Peabody and Woburn locations. Upcoming Class Dates:- March 4 & 5, 2025
- April 1 & 2, 2025
- May 5 & 6, 2025
- June 3 & 4, 2025
- July 1 & 2, 2025
- August 5 & 6, 2025
- September 3 & 4, 2025
- October 7 & 8, 2025
- November 4 & 5, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- February 18 & 19, 2025
- April 15 & 16, 2025
- June 17 & 18, 2025
- August 19 & 20, 2025
- October 21 & 22, 2025
- December 9 & 10, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar above to register for both days. NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Upcoming Class Dates:- October 1 & 2, 2024
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- January 28 & 29, 2025 - CONFIRMED CLASS
- March 25 & 26, 2025
- May 28 & 29, 2025
- July 29 & 30, 2025
- September 23 & 24, 2025
- November 18 & 19, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- February 4 & 5, 2025 - CONFIRMED CLASS
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- February 11 & 12, 2025
- April 8 & 9, 2025
- June 10 & 11, 2025
- August 12 & 13, 2025
- October 14 & 15, 2025
- December 2 & 3, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- April 29 & 30, 2025
- July 22 & 23, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- February 24 & 25, 2025
- April 22 & 23, 2025
- June 24 & 25, 2025
- August 26 & 27, 2025
- October 28 & 29, 2025
- December 16 & 17, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates: -
Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- January 21 & 22, 2025 - CONFIRMED CLASS
- March 18 & 19, 2025
- May 20 & 21, 2025
- July 15 & 16, 2025
- September 16 & 17, 2025
- November 24 & 25, 2025
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Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:- February 26 & 27, 2025