Manual-J’s Required. 29 states have adopted codes equivalent to the 2009 or 2012 International Energy Conservation Codes (IECC). As a result, 29 states require Manual-J load calculations* be performed to properly calculate heating and cooling loads for new residential construction (See Section 403.6 of 2009 IECC and Section 1401.3 of 2009 IRC). With Home Energy [...]
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Saturday December 1, 2012 – Monday December 31, 2012 | Register Description: This 1-month online Manual-D Training course will provide you with a solid overview of Manual-D concepts, as well as a thorough training on Wrightsoft’s Right-D and Draw modules. This class offers the same material we typically deliver in our physical classes, plus even [...]
Tuesday March 19, 2013 – Tuesday March 19, 2013 Map and Directions | Register Description: Join us in Nashville, TN for this Manual-J training. Now that the ENERGY STAR program and many local codes are requiring Manual-J’s, this is an excellent opportunity to brush up on your skills or add a new service to your [...]
More and more state codes are requiring room-by-room Manual-J load calculations as part of the permitting and inspection process. Virginia, North Carolina, South Carolina, Georgia, Florida, and beyond, all recognize Manual-J as being the best way to properly calculate the heating and cooling load of a residential building. Whether you like it or not, the [...]
If you’re installing an HVAC system based on Manual-J sizing calculations, how do you know what size the ducts need to be for each room? Hopefully, you said “I’d use ACCA’s Manual-D, of course.” Assuming that was indeed your response, give yourself a pat on the back, and let’s move on. Take a look at [...]
Monday June 4, 2012 – Monday June 4, 2012 Map and Directions | Register Description: Manual-J is the first step of the HVAC design process. This process ensures that the designer understands the true energy needs of a building, so that a properly sized system can be selected. Due to the presence of new building [...]
Monday July 23, 2012 – Monday July 23, 2012 351 Ocean Ridge Pkwy. Map and Directions | Register Description: Manual-J is the first step of the HVAC design process. This process ensures that the designer understands the true energy needs of a building, so that a properly sized system can be selected. Due to the [...]
Manual-J Heating and Cooling Load Calculations Manual-J is the name for a specific protocol (often called “Heat Load Calculation” or “Cooling Load Calculation“) used to determine how much heating/cooling a home needs to stay cool and dry in the summer and warm in the winter. This load calculation process was developed by engineers in the heating [...]
Not only do homeowners want an efficient house, but they also assume that they will be comfortable in every room of the house. Unfortunately, this simple desire cannot be addressed solely by a great envelope system. To achieve comfort in every room, focused attention must be paid to proper design and installation of the HVAC system.