Data as of Aug 25, 2026 · Based on 1,340 AI responses · See how Parse measures this
Trade Certification Training Programs
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The U.S. Environmental Protection Agency (EPA) remains the most cited authority for trade certifications, particularly for HVAC refrigerant handling. However, the period between November 2025 and March 2026 saw a significant rise in mentions for online-first training platforms like and manufacturer-specific programs from elevator companies like and .
| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 | A frequently cited online app for fast, low-cost EPA 608 certification. | 29% | |
| 2 | The foundational legal authority for HVAC refrigerant handling certification in the US. | 23% | |
| 3 | The dominant, industry-standard apprenticeship program recommended for elevator mechanics. | 20% | |
| 4 | 19% | ||
| 5 | Consistently named the industry-standard training body for certified collision repair. | 18% | |
| 6 | A key provider of EPA 608 test prep and specialized HVAC certifications. | 18% | |
| 7 | The essential credentialing body for master collision repair and automotive service technicians. | 17% | |
| 8 | Often cited for specialized HVAC credentials, especially for new A2L refrigerants. | 15% | |
| 9 | A prominent technical school frequently recommended for hands-on collision repair training. | 15% | |
| 10 | 14% | ||
| 11 | 13% | ||
| 12 | Rose dramatically as a key source for manufacturer-specific elevator technology training. | 13% | |
| 13 | 12% | ||
| 14 | 12% | ||
| 15 | 12% | ||
| 16 | 10% | ||
| 17 | 7% | ||
| 18 | 7% | ||
| 19 | A rising source for NATE certifications, demonstrating broader HVAC competency. | 7% | |
| 20 | 6% | ||
| 21 | 6% | ||
| 22 | 5% | ||
| 23 | 5% | ||
| 24 | 4% | ||
| 25 | 4% |
Who wins on each AI
The same market, seen by two models.
Sources AI cited
skillcatapp.com is the page AI reaches for most here, cited in 40% of analyzed answers.
Jumped from rank #5 to #2 overall between November 2025 and March 2026.
Slipped from rank #4 to #11 as other certification categories gained traction.
“A general provider of HVAC certification prep.” → “A specialist provider for new, flammable A2L refrigerant safety training.”
Surged in mentions starting December 2025 for its proprietary systems training.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| 21% | 18% | ||
| 9% | 30% | ||
| 21% | 18% | ||
| 0% | 28% | ||
| 19% | 22% |
The two models disagree most about SkillCat (ChatGPT #19, Google #1) and Universal Technical Institute (ChatGPT #20, Google #9).
The U.S. Environmental Protection Agency (EPA) remains the most cited authority for trade certifications, particularly for HVAC refrigerant handling. However, the period between November 2025 and March 2026 saw a significant rise in mentions for online-first training platforms like SkillCat and manufacturer-specific programs from elevator companies like KONE and Otis.
Across 1,340 AI responses, SkillCat is mentioned most, named in 29% of them, followed by U.S. Environmental Protection Agency (EPA) (23%) and National Elevator Industry Educational Program (NEIEP) (20%).
Parse measures each brand's mention rate — the share of answers naming it — across 1,340 AI responses to this market's buyer questions. Answers are collected daily and the ranking is published weekly.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
AI responses consistently emphasize online, self-paced courses as the most efficient method for EPA 608 certification. While the EPA is the authority, platforms like SkillCat surged in prominence after November 2025, frequently recommended for low-cost, rapid testing alongside established prep providers like
ESCO Group.
Brands mentioned
What's the best way for an HVAC Technician to get their EPA 608 certification?
AI responses consistently emphasize online, self-paced courses as the most efficient method for EPA 608 certification. While the EPA is the authority, platforms like SkillCat surged in prominence after November 2025, frequently recommended for low-cost, rapid testing alongside established prep providers like
ESCO Group.
What is the best training for an elevator mechanic to get certified on new elevator technologies?
AI answers consistently recommend the NEIEP apprenticeship as the foundational path for elevator mechanics. Starting in December 2025, responses began explicitly naming major manufacturers like KONE,
Otis, and
Schindler for essential, proprietary technology training, in addition to trade organizations like NAEC.