Refrigerant Pressure & Temperature Charts Phenomena-Based Lesson: The No-Cool Call Where the Gauges Looked Fine Teacher Discussion Guide | HVAC-R | Grades 9–12

This is the teacher discussion guide, with lesson flow, facilitation questions, anticipated student ideas and model explanations for leading the class discussion for the Phenomena-Based Lesson in the HVAC-R (grades 9–12) chapter Refrigerant Pressure & Temperature Charts, built around the phenomenon The No-Cool Call Where the Gauges Looked Fine. It is sold separately from the other two parts of the set.

Complete the set: Refrigerant Pressure & Temperature Charts Phenomena-Based Lesson: The No-Cool Call Where the Gauges Looked Fine Presentation; Refrigerant Pressure & Temperature Charts Phenomena-Based Lesson: The No-Cool Call Where the Gauges Looked Fine Student Response Sheet. Scaffolded version: Refrigerant Pressure & Temperature Charts Scaffolded Phenomena-Based Lesson: The House That Would Not Cool Teacher Discussion Guide.

Sections: Hvac-r | Unit 1 | Teacher Guide For The Phenomenon Lesson; Standards Alignment; Learning Goals; Hvac-r | Unit 1 | Student Work Product. Sample item: “Q1. What saturation temperature does 118.8 psig give on the R-410A chart, and what does it give on the R-22 chart?”

What's inside: Teacher Discussion Guide (editable .docx + PDF, about 1,105 words, 3 pages).

Standards: Aligned to Career & Technical Education (CTE) program-of-study competencies for Architecture & Construction — heating, ventilation, air conditioning and refrigeration, with embedded academic literacy and career-readiness skills.

Resource type: Phenomena-Based Lesson – Teacher Discussion Guide. Format: editable Microsoft Word file plus a ready-to-print PDF.

Classroom use: Open with the phenomenon slide show, let students record ideas on the response sheet, and lead the discussion with the teacher guide. Built for HVAC-R, grades 9–12.

Format note: These files are delivered in Microsoft Office formats (Word and/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.