Free AL HVAC Exam Prep
Alabama HVAC Contractor License (HACR)
Prepare for the AL HVAC exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Alabama HVAC Contractor License License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Alabama HACR Licensing Laws & Board Rules
Master Code of Alabama Title 34 Chapter 31 and Administrative Code 440-X: the $20,000 Form BF-1 bond, the $220 active and $110 inactive fees, the December 31 expiration, the $250 late fee, and the 4-hour continuing education rule with its November 1 proof deadline.
NASCLA Business, Law & Project Management
Work the NASCLA Contractors Guide 14th edition blocks the blueprint scores separately: business organization, risk management, project management, estimating, financial management, contracts, and labor laws.
Alabama Lien Law, Payroll & Employment Taxes
Learn the six-month probate filing window for original contractors under Section 35-11-215, the Section 39-1-1 public works payment bond, Alabama E-Verify, FICA and FUTA rates, and the Alabama $8,000 unemployment wage base.
Safety, EPA Section 608 & the A2L Transition
Review OSHA 29 CFR 1926 construction rules, the 40 CFR 82.156 evacuation table, Section 608 leak repair at 50 pounds, and the AIM Act Emissions Reduction and Reclamation rule that took effect January 1, 2026 at 15 pounds.
Thermodynamics, Refrigeration & Basic Electricity
Build the general knowledge block: sensible and latent heat, the mechanical refrigeration cycle, psychrometrics for Alabama humidity, Ohm's Law, the power formulas, and the 3,412 Btu per kilowatt conversion.
Piping, Condensate & IRC Chapter 24 Fuel Gas
Practice ACR copper sizing and nitrogen brazing, condensate trap hydraulics and IRC M1411.3 secondary protection, and longest-length gas pipe sizing from IRC Table G2413.4(1).
ACCA Manual J Loads & Manual D Duct Design
This is the 25-item block. Calculate loads for Birmingham and Mobile design conditions, size ducts by friction rate and total effective length, and practice with the ACCA Duct Slide Rule until lookups are fast.
Equipment, Maintenance & NEC Article 440
Study heat pumps and defrost, condensing furnaces, combustion air and venting from IRC Chapter 24, preventative maintenance and commissioning procedures, and NEC 2020 minimum circuit ampacity and maximum overcurrent protection.
Full-Length Timed Practice & Reference Drills
Run 115-question practice exams timed to 5 hours while navigating tabbed copies of the IRC 2021, NEC 2020, Manual J, Manual D, the NASCLA guide, and the Alabama Laws, Rules and Regulations.
Free AL HVAC Prep Tools
115 Exam Questions
Timed 5-hour open-book format administered by Prov covering technical trade knowledge and business law
AI-Powered Learning
Get contextual hints and wrong-answer explanations powered by AI
2026 Updated
Reflects the Prov Candidate Information Bulletin dated 2025-07-03 and the Board fee schedule effective October 14, 2024
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All study guide chapters and practice questions are free — no account required
What You'll Study
12 chapters covering the exam topics in this guide
Alabama HACR Laws, Rules & Licensing
3 sections
Contractor Business, Contracts, Estimating & Alabama Lien Law
6 sections
Safety Standards, OSHA & EPA Section 608
3 sections
General Technical Knowledge & Thermodynamics
4 sections
Piping Systems, Refrigerant Lines & Fuel Gas Piping
3 sections
System Sizing & ACCA Manual J Load Calculations
3 sections
Duct System Design & ACCA Manual D
3 sections
Heating & Cooling Equipment Operation
3 sections
Mechanical Codes, Electrical Applications & Maintenance Diagnostics
3 sections
Employment Law, Payroll Taxes & Contractor Finance
3 sections
Preventative Maintenance, Service Procedures & Commissioning
4 sections
Electrical Applications & Construction Documents
4 sections
AL HVAC Exam Details
Alabama HVAC Contractor License (HACR)
Administered by Alabama Board of Heating, Air Conditioning & Refrigeration Contractors (HACR)
Exam Content Breakdown
Based on the official Alabama Board of Heating, Air Conditioning & Refrigeration Contractors (HACR) content outline
Thermodynamics, heat transfer, psychrometrics, pressure-temperature relationships, refrigerants, and basic electricity
Refrigerant copper sizing, brazing and nitrogen purging, condensate drainage, and IRC Chapter 24 fuel gas pipe sizing
The largest block: ACCA Manual J 8th edition load calculations, Alabama design conditions, and ACCA Manual D duct sizing
Heat pumps and supplemental heat, gas furnaces and combustion, air conditioners, compressors, and metering devices
Preventative maintenance programs, service agreements, coil and drain service, evacuation and charging, and diagnostics
NFPA 70 (2020) Article 440, minimum circuit ampacity and maximum overcurrent protection, motors, controls, and disconnects
Mechanical drawing scales, symbols, equipment schedules, specifications, and submittal workflow
Entity selection under Code of Alabama Title 10A, business registration, and organizational structure
Commercial general liability, workers compensation, certificates of insurance, indemnity clauses, and surety bonds
Submittals and RFIs, critical path scheduling and float, delay classification, and closeout documentation
Quantity takeoff, labor units and labor burden, markup versus margin, overhead recovery, and contract type risk
OSHA 29 CFR 1926 construction safety, EPA Section 608 refrigerant rules, and the AIM Act A2L transition
FLSA overtime and exemption tests, Title VII and ADA thresholds, Davis-Bacon, and the Alabama E-Verify mandate
FICA and the Social Security wage base, FUTA and the state credit, Alabama SUTA and withholding, and Forms 941, 940, and W-2
Balance sheet and income statement, job costing, work-in-progress billing position, break-even, and cash flow forecasting
Formation and capacity, change orders, warranties, breach and remedies, and the Alabama Prompt Pay Act
Alabama mechanics liens under Title 35 Chapter 11, probate filing deadlines, and Section 39-1-1 public works payment bonds
Code of Alabama Title 34 Chapter 31, Administrative Code 440-X, bonding, renewals, continuing education, and discipline
What's Included
12 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
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What's Next After the AL HVAC?
After passing the AL HVAC, you can pursue these career paths
Alabama Commercial HVAC/R Contractor
Expand licensed operations to large commercial chillers, industrial refrigeration, and complex commercial mechanical systems throughout Alabama.
Alabama Master Gas Fitter
Install, alter, and service complex natural gas and LP piping networks, high-capacity commercial boilers, and industrial gas utilization equipment.
Alabama General Contractor (Commercial)
Supervise complete building construction projects exceeding $50,000, managing all commercial mechanical, electrical, and structural trades.
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