- AHC stands for Architectural Hardware Consultant, credentialed by the Door and Hardware Institute (DHI).
- Part 1 is 200 multiple-choice questions in 4 hours, proctored remotely via Prolydian with MonitorEDU.
- Parts 2 (5 hours) and 3 (3 hours) happen in person at DHI Classroom Series or DHI Canada events and must all be passed.
- Fees run $850 member / $1,050 non-member, with retakes at $115 or $250 per failed part.
What Is an AHC, Exactly?
AHC stands for Architectural Hardware Consultant, a professional credential administered by the Door and Hardware Institute (DHI). It is not a general contracting license or a code-official designation - it is a specialized certification for people who specify, schedule, estimate, and coordinate commercial door and hardware systems on construction projects. If you searched "what is a AHC" hoping for a quick definition, here it is in one sentence: an AHC is someone who has demonstrated, through a multi-part DHI exam, that they can read architectural drawings, write accurate hardware specifications, apply relevant codes and standards, and manage the door-and-hardware scope of a building project from design through closeout.
This is a title earned, not assigned. Candidates must pass a structured exam program and meet one of several eligibility routes before DHI will issue the credential. For a broader look at the term itself, see AHC Meaning and What Does AHC Stand For?.
Who Issues the AHC and Why It Exists
The AHC credential is issued by the Door and Hardware Institute (DHI), the trade association for the door security and hardware industry. DHI built the AHC program to give architects, general contractors, hardware distributors, and building owners a reliable way to identify professionals who genuinely understand hardware sets, fire and life-safety code requirements, and door/frame coordination - not just product catalogs.
The current exam content follows the official June 13, 2024 AHC Exam Content Outline, which organizes everything a candidate needs to know into ten distinct domains. If you want the full breakdown of how those domains are weighted and tested, read AHC Exam Domains 2026: Complete Guide to All 10 Content Areas.
How the AHC Exam Is Structured
Unlike a single-sitting multiple-choice test, the AHC credential requires passing three separate exam parts, and Part 1 must be completed before a candidate can move on to the in-person portions.
Part 1 - Computer-Based Exam
200 multiple-choice questions administered in 4 hours through the Prolydian testing platform, with MonitorEDU remote proctoring using a two-camera setup. This is the only part delivered remotely, and it must be passed before Parts 2 and 3.
- Covers the full range of domains at a foundational level
- Remote proctoring requires two camera angles for exam integrity
- Serves as the gateway to the in-person parts
Part 2 - Scheduling & Doors/Frames
A 5-hour, in-person exam held at DHI Classroom Series or DHI Canada events. Candidates need a laptop and submit typed responses through Prolydian.
- Permits use of DHI Sequence and Format for the Hardware Schedule
- Manufacturer catalogs and NFPA 80 (2019) are allowed reference materials
- These allowances do not make the exam fully open-book - access is limited to the specified materials
Part 3 - Specification (Essay)
A 3-hour, in-person essay exam, also held at DHI Classroom Series or DHI Canada events, requiring a laptop and typed submission through Prolydian.
- Tests written specification skills directly, not just recognition
- Requires clear, precise technical writing under time pressure
All three parts must ultimately be passed to earn the AHC. Because the format and scoring differ so much between the computer-based Part 1 and the in-person Parts 2 and 3, it helps to study each part with a tailored plan - the AHC Study Guide 2026: How to Pass on Your First Attempt walks through that part-by-part approach in detail. For a candid look at what makes this exam demanding, see How Hard Is the AHC Exam? Complete Difficulty Guide 2026, and for scoring specifics, check AHC Passing Score 2026: Exactly What You Need to Pass.
Key Takeaway
Treat the AHC as three linked exams, not one. Pass Part 1 first - it's your gateway - then plan travel and study time separately for the in-person scheduling and specification exams.
The 10 Domains an AHC Candidate Must Know
The AHC Exam Content Outline organizes all tested material into ten domains. These aren't abstract categories - they map directly to the day-to-day work of a hardware consultant.
- Domain 1: Architectural Drawings (Construction Documents) - reading floor plans, door schedules, and elevations to identify hardware requirements.
- Domain 2: Specifications - writing and interpreting hardware specs, a skill directly tested in the Part 3 essay exam.
- Domain 3: Codes and Standards - applying fire, life-safety, and accessibility requirements, including NFPA 80 material referenced in Part 2.
- Domain 4: Detailing (Scheduling) - producing accurate hardware schedules using DHI's Sequence and Format conventions.
- Domain 5: Estimating - quantifying and pricing hardware scope for bidding and budgeting.
- Domain 6: Hardware - core product knowledge across hinges, closers, exit devices, locks, and related components.
- Domain 7: Doors and Frames - material types, fire ratings, and preparation requirements.
- Domain 8: Project Management (Coordination) - coordinating hardware scope with architects, contractors, and installers.
- Domain 9: Keying - keying systems, master key hierarchies, and access control logic.
- Domain 10: Electrified Hardware - electric strikes, power transfer devices, and access control integration.
Part 1's question bank draws from all ten domains, while Part 2 concentrates on Detailing (Scheduling) plus Doors and Frames, and Part 3 zeroes in on Specifications writing. A full breakdown of how these ten areas interact across all three exam parts is available in AHC Exam Domains 2026: Complete Guide to All 10 Content Areas.
Who Can Sit for the AHC?
DHI offers four distinct eligibility routes, giving candidates flexibility based on their education and work history:
- Course pathway: Complete the full DHI AHC course sequence from COR101 through AHC315.
- DHC-to-AHC bridge: Hold the DHC credential and complete AHC307, AHC310, and AHC315.
- Experience plus education: Document five years of industry experience plus 100 hours of related education.
- Pure experience: Document ten years of industry experience.
DHI recommends AHC390 as exam preparation regardless of which route a candidate uses to become eligible. For the full requirement details and documentation guidance, see AHC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
| Eligibility Route | What It Requires |
|---|---|
| Course Pathway | COR101 through AHC315 completed |
| DHC Bridge | DHC credential + AHC307, AHC310, AHC315 |
| Experience + Education | 5 years industry experience + 100 education hours |
| Experience Only | 10 years industry experience |
AHC Fees and Renewal
The AHC exam fee is $850 for DHI members and $1,050 for non-members. If you fail a part, retakes are priced per failed part at $115 for members or $250 for non-members - you don't have to repay the full fee for the parts you already passed.
Once earned, the AHC is not permanent by default. It operates on a three-year renewal cycle requiring 30 continuing-education points, of which at least 24 must be technical points. Renewing a single credential costs $175 for members or $210 for non-members. A full cost breakdown, including how the eligibility routes affect total spend, is in AHC Certification Cost 2026: Complete Pricing Breakdown.
Key Takeaway
Budget for the exam fee, potential retakes, and future three-year renewals separately - the AHC is a maintained credential, not a one-time test.
Who Hires AHC Holders?
Because the AHC certifies specification, scheduling, code-compliance, and coordination skills together, employers tend to be organizations where hardware decisions carry real cost and life-safety consequences:
- Commercial door and hardware distributors
- Architectural hardware consulting firms
- General contractors managing division 08 scope
- Hardware manufacturers needing specification-literate staff
- Facility owners and institutions managing large door/hardware inventories
Because the credential spans estimating, keying, electrified hardware, and project coordination, AHC holders are often trusted with responsibilities that go beyond a single job title. If you're evaluating whether the credential translates into better roles or pay, AHC Salary Guide 2026: Complete Earnings Analysis and Is the AHC Certification Worth It? Complete ROI Analysis 2026 dig into that question directly. Current openings that reference the credential are worth scanning at AHC Jobs.
A Domain-First Way to Prepare
Generic study techniques - timed blocks, spaced review, self-testing - only help if they're applied to the right material at the right time. For the AHC specifically, sequence your preparation around the exam structure itself rather than a generic weekly template.
Foundational Domains
- Architectural Drawings, Hardware, and Doors and Frames - these underpin everything else
Codes, Keying, Electrified Hardware
- Study NFPA 80 concepts and access-control logic before tackling Part 1's full-breadth question bank
Scheduling and Specification Practice
- Shift to DHI Sequence and Format drills and timed essay writing ahead of Parts 2 and 3
Running practice questions against each of the ten domains - rather than generic hardware trivia - is the fastest way to see where your Part 1 gaps actually are. You can build that habit using timed, domain-tagged questions at our AHC practice test platform, which mirrors the multiple-choice format candidates face on exam day. For a domain-by-domain review sheet you can keep on hand while studying, see AHC Cheat Sheet 2026: One-Page Review of Must-Know Facts, and for exam scheduling logistics, check AHC Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Frequently Asked Questions
In this article, and on ahcexam.com, AHC stands for Architectural Hardware Consultant - a credential issued by the Door and Hardware Institute (DHI). See What Does AHC Mean? for more.
It's three parts: Part 1 is a 200-question, 4-hour computer-based exam; Part 2 is a 5-hour in-person scheduling and doors/frames exam; Part 3 is a 3-hour in-person specification essay exam. All three must be passed.
No. Part 1 must be passed before you're eligible to sit for the in-person Parts 2 and 3, which are only offered at DHI Classroom Series or DHI Canada events.
The exam fee is $850 for DHI members and $1,050 for non-members. Retaking a failed part costs $115 (member) or $250 (non-member) per part rather than the full fee.
Not necessarily through experience alone - DHI offers four eligibility routes, including a course pathway (COR101 through AHC315) that doesn't require a set number of industry years. See AHC Requirements 2026 for full details.