




🛠️ Master HVAC on the go with the ultimate pro’s slide rule!
The SuperCool Slide Rule Charging & Duct Sizing tool is a compact, plastic, pocket-sized HVAC calculator designed for professionals and students alike. It supports SuperHeat and SubCooling calculations for R410a and R22 refrigerants, offers precise duct sizing and CFM calculations for metal and flex ducts, and includes pressure drop charts for multiple duct types. With access to over 100 free tutorials via QR code, it’s the go-to training and diagnostic tool trusted by colleges and industry experts.
| Manufacturer | SuperCool Slide Rule Charging & Duct sizing |
| Part number | 4920570 |
| Item Weight | 54 g |
| Product Dimensions | 22.86 x 15.24 x 0.1 cm; 54 g |
| Item model number | 4920570 |
| Size | pocket size |
| Color | black |
| Style | Compact |
| Material | Plastic |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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