The KRS Tool Box is designed to be the best mobile resource for technical and service information for mid-west HVACR contractors, engineers, and building professionals.
You can customize outputs and include your company logo and information and improve the efficiency and professionalism of your company. We use your location to provide enhance the usability of our system tools.
Find and communicate with all Key Refrigeration Supply branches
View full details on KRS training and branch activities
Access our vast technical library to access resources and email resources to your customers from the app
Refrigeration characteristics and pressure temperature calculators for 21 current refrigerants
Box Load calculator to properly size refrigeration system and email results to your customer
Troubleshooting for condensers, rack systems, compressors and TXV’s
Temperature conversion for farenheit and celcius
Manual J heat and cooling calculation for ducted or hydronic systems with automated equipment selection. Customized output designed for residential and light commercial applications.
Duct sizing tools for metal and flex duct
Troubleshooting for Ruud, LG and Friedrich systems
Quick calculators for Wet Bulb and Dew Point Temperatures, CFM loads, BTU capacities and water flows and much more
Energy Calculators and Operating Cost Calculators
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