Module 1 — Fundamentals
Scope types, CSI mapping, inclusions/exclusions, bid form structure.
❄️ Refrigeration Estimating — Master Index
Modules 1–10 • Self-Study Notes & Built-in Tools
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Module 2 — Cycle & Load Basics
BTUH, sensible/latent, TDs, diversity & usage profiles.
Module 3 — Equipment Takeoffs
Condensing units, evaporators, condensers, casework & options.
Module 4 — Piping & Accessories
Suction/liquid/discharge lines, fittings EQ length, oil & valves.
Module 5 — Controls & Valves
EEVs/TXVs, pressure & defrost controls, case controllers, BMS.
Module 6 — Insulation, Hangers & Supports
Vapor barriers, thickness selection, hangers, penetrations.
Module 7 — Refrigerants & Compliance
Refrigerant selection, A2L readiness, EPA 608, recovery/charge.
Module 8 — Labor & Productivity
Crew mixes, brazing vs press, vacuum timing, commissioning hours.
Module 9 — Costing & Assemblies
Assemblies for cases, walk-ins, line sets; quotes; freight & lifts.
Module 10 — Commissioning & Turnover
Pressure test, evacuation, charging, SH/SC targets, O&M.
S.F. Johnson Enterprises — Build. Learn. Preserve.