Guilford Technical Community College · Courses

AHR

18 courses with the subject AHR, each shown exactly as we captured it from the college's catalog, with every element we hold. Where the wording looks broken, that is our reading of the catalog, not the college's text.

AHR 110Introduction to Refrigeration5

Subject: AHR
Credits (min): 5
Credits (max): 5
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 111HVACR Electricity3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Corequisite: MAT-003 (P2 grade) or MAT 025 Course is

AHR 112Heating Technology4

Subject: AHR
Credits (min): 4
Credits (max): 4
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 113Comfort Cooling4

Subject: AHR
Credits (min): 4
Credits (max): 4
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Corequisite: ENG-002 or ENG 025 and MAT-003 (P2 Grade) or MAT 025 and AHR 110 (Local) Course is

AHR 114Heat Pump Technology4

Subject: AHR
Credits (min): 4
Credits (max): 4
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 110 or AHR 113 (State) Course is

AHR 120HVACR Maintenance2

Subject: AHR
Credits (min): 2
Credits (max): 2
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 125HVACR Electronics3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 111, ELC 111 or ELC 112 (State) Course is

AHR 130HVAC Controls3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 111, ELC 111, or ELC 112 (State) Course is

AHR 160Refrigerant Certification1

Subject: AHR
Credits (min): 1
Credits (max): 1
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Corequisite: AHR 110, AHR-113 , or AHR-120 . Course is

AHR 180HVACR Customer Relations1

Subject: AHR
Credits (min): 1
Credits (max): 1
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 211Residential System Design3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 212Advanced Comfort Systems4

Subject: AHR
Credits (min): 4
Credits (max): 4
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 114 . Course is

AHR 213HVACR Building Code2

Subject: AHR
Credits (min): 2
Credits (max): 2
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu

AHR 225Commercial System Design3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 211 . Course is

AHR 235Refrigeration Design3

Subject: AHR
Credits (min): 3
Credits (max): 3
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 110 . Course is

AHR 240Hydronic Heating2

Subject: AHR
Credits (min): 2
Credits (max): 2
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: AHR 112 Course is

AHR 250HVAC System Diagnostics2

Subject: AHR
Credits (min): 2
Credits (max): 2
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: Take AHR 114 or AHR-133
Corequisite: Take AHR 112 Course is

AHR 255Indoor Air Quality2

Subject: AHR
Credits (min): 2
Credits (max): 2
Credit unit: Credits
Type: course
Edition: 2026-2027
Catalog: 2026-2027 Catalog [Current]
Source: catalog.gtcc.edu
Prerequisite: Take AHR 110 Course is

Source: Guilford Technical Community College's catalog, linked per course · table learning_unit · CourseShelf publish 61