• An accurate heat load in less than 15 minutes
• Block load or room-by-room
• Calculates Heat Loss, Heat Gain, and duct sizing
• Pie-Chart points out problem areas in building
• Use on your iPad,  iPhone, Android phone or tablet
• Free version displays results in overall percentages

Upgrade to the Pro subscription version for:

• Actual BTU values and duct sizing
• Export Heat Load PDF report
• Access from a PC or Mac with Google Chrome
• Store your clients and calculations in the cloud