Field-ready equipment requests
Identify HVAC equipment and prepare the supplier request before your next call.
For contractors who need a clear preliminary capacity range and an accurate parts handoff without a lengthy estimate workflow.
Service workflow
Equipment request workbench
100% free core tool. Preliminary sizing, the supplier request, copy, and print never require payment or an account.
Step 1: Capture equipment details → Preliminary sizing updates live → Step 2: Review supplier-ready request.
Capture equipment details
New requestSupplier-ready request
Specialized Trade Calculators & Worksheets
Verified trade calculation modules directly synced with the primary workspace.
R454B Refrigerant Charge Calculator
R454b refrigerant charge calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate.
EPA Section 608 Leak Rate Calculator →
EPA Section 608 Leak Rate Calculator guide, calculator, and workflow checklist.
Comfort Cooling Leak Threshold Calculator
EPA Section 608 comfort cooling leak rate calculator: rolling average compliance, 10% statutory threshold, and 30-day repair deadlines.
EPA 608 Leak Rate Calculator
Interactive calculator and tool for embed.
HVAC Calculator CFM | HVAC Ledger Workflow Guide
Hvac calculator cfm: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator for HVAC.
HVAC Calculator Tonnage | HVAC Ledger Workflow Guide
Hvac calculator tonnage: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
HVAC Duct Calculator | HVAC Ledger Workflow Guide
Hvac duct calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator for HVAC.
HVAC Ductwork Calculator | HVAC Ledger Workflow Guide
Hvac ductwork calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
HVAC Installation Cost Calculator
Hvac installation cost calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate.
HVAC Load Calculator Software
Hvac load calculator software: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
HVAC Replacement Cost Calculator
Hvac replacement cost calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate.
Leak Rate Formula | HVAC Ledger Workflow Guide
Leak rate formula: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator for HVAC.
New HVAC System Cost Calculator
New hvac system cost calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
Refrigerant Calculator App
Refrigerant calculator app: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
Refrigerant Mass Balance Worksheet 2
EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate.
Refrigerant Weight Calculator
Refrigerant weight calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
Sizing HVAC Calculator | HVAC Ledger Workflow Guide
Sizing hvac calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator for HVAC.
Refrigerant Pipe Sizing Calculator
Refrigerant pipe sizing calculator: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate.
EPA Refrigerant Leak Rate
Epa refrigerant leak rate: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator.
Leak Rate Conversion | HVAC Ledger Workflow Guide
Leak rate conversion: EPA Section 608 compliant refrigerant ledger, statutory leak rate calculator, and audit-proof compliance certificate generator for HVAC.