
ACR Contractor Class B, Environmental Air exam prep
The Environmental Air Conditioning endorsement on a Class B contractor license covers comfort systems of 25 tons cooling and 1.5 million BTU per hour heating or less. It needs 48 months of practical experience. Here are the one package, from $1,595 to $1,595, each with one-click checkout.
See the package1 ACR Contractor Class B, Environmental Air package
Buy now adds the item to your cart and opens secure checkout at 1 Exam Prep. Details shows the full description first.

How do the ACR Contractor Class B, Environmental Air options compare?
Prices are the starting price for each option; some offer add-ons at checkout.
| Option | What you get | Price |
|---|---|---|
| Book Package | the reference books the exam is written to, new and unmarked | $1,595 |
How does the ACR Contractor Class B, Environmental Air exam work?
The ACR Contractor Class B, Environmental Air exam is a TDLR license exam given by PSI. You apply to TDLR with proof of experience, then schedule the open-book exam with PSI.
- The PSI exam has 100 items in 170 minutes and costs $60.
- References include the 2024 IMC, UMC and IFGC, ACCA Manuals J, D and S, and Modern Refrigeration and Air Conditioning, 22nd edition.
- TDLR licenses air conditioning and refrigeration contractors in two classes: Class B up to 25 tons cooling and 1.5 million BTU per hour heating, and Class A with no limit.
- A contractor needs 48 months of practical experience in the last 72 months, and the application fee is $115.
- PSI gives the exams, and they are open book; since September 1, 2026 they reference the 2024 IMC, UMC and IFGC.
- Contractors complete 8 hours of continuing education each year, including 1 hour of Texas law and rules.
Which ACR Contractor Class B, Environmental Air option should I choose?
The Book Package at $1,595 is the lightest way into the ACR Contractor Class B, Environmental Air exam: the reference books the exam is written to, new and unmarked. Candidates who fail usually run out of time rather than knowledge, so pick the option that gets you fastest through the references, and call (877) 775-9400 if you are unsure.
ACR Contractor Class B, Environmental Air exam questions
How much does ACR Contractor Class B, Environmental Air exam prep cost?
ACR Contractor Class B, Environmental Air exam prep runs from $1,595 to $1,595 across 1 option: Book Package $1,595.
Is the ACR Contractor Class B, Environmental Air exam open book?
Yes. The PSI exams for Texas air conditioning and refrigeration licenses are open book, with the code books and references listed in the PSI bulletin.
Who issues the ACR Contractor Class B, Environmental Air license or certification in Texas?
It comes from the Texas Department of Licensing and Regulation (TDLR). Buying a package here does not register you or make you eligible; the board approves you first, and the exam vendor schedules the test.
What is the difference between Class A and Class B?
Class B covers cooling systems of 25 tons and under and heating systems of 1.5 million BTU per hour and under. Class A has no size limit and a longer exam: 120 items in 230 minutes for $74, against 100 items in 170 minutes for $60.
Which books are allowed in the A/C exam?
The PSI bulletin lists the 2024 IMC, UMC and IFGC, ACCA Manuals J, D and S for Environmental Air, Modern Refrigeration and Air Conditioning (22nd edition) and the ADI Duct Size Calculator, plus the Texas ACR law and rules.
What is the ACR Contractor Class B, Environmental Air exam like?
The PSI exam has 100 items in 170 minutes and costs $60. References include the 2024 IMC, UMC and IFGC, ACCA Manuals J, D and S, and Modern Refrigeration and Air Conditioning, 22nd edition.
Are these the real exam questions?
No. Licensing exam questions are confidential. The courses and practice exams are original material written to the same subjects and format, with explanations that point to the reference section.
How do the books and courses arrive?
Printed and rental books ship from our fulfillment center, 1 Exam Prep. Online courses and practice exams arrive by email after purchase, so you can start the same day. Call (877) 775-9400 with any question first.
Sources
Licensing facts checked against these pages; last updated . Rules change, so confirm with the board before you apply.
