F-Gas Practice Test

The F-Gas Practice Test is a free intermediate-level, 20-minute skill test from Science of Apps. Practice for F-gas technician certification (such as City & Guilds 2079 Category I in the UK and EU equivalents) — F-gas regulations and environmental impact, refrigeration principles and refrigerant types, leak checking and pressure testing, and recovery, evacuation and charging — written to Regulation (EU) 2024/573, UK F-gas guidance, EN 378 and US EPA Section 608 for 2026. Score 70% or more on its 20 questions to earn a verifiable F-Gas Exam Readiness certificate (SOA-FGAS). Every question is based on published standards and research — including EN 378 Refrigerating systems and heat pumps: safety and environmental requirements (CEN), Regulation (EU) 2024/573 on fluorinated greenhouse gases (European Union), F gas regulations: guidance for users, producers and traders (technician certification) (UK Government) — and each answer is explained with its source.

Yes. Science of Apps has a free F-Gas Practice Test built on UK and EU F-Gas regulations for 2026 and 2027. It covers refrigerant types, leak checking, and recovery, scores you instantly and issues a verifiable certificate.

Read the four skill areas on this page, then take the 20-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a F-Gas Exam Readiness certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: EN 378 Refrigerating systems and heat pumps: safety and environmental requirements (CEN); Regulation (EU) 2024/573 on fluorinated greenhouse gases (European Union); F gas regulations: guidance for users, producers and traders (technician certification) (UK Government); Section 608 refrigerant management (US EPA). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: F-Gas Regulations and Environmental Impact (Legislation, GWP and CO₂e and Record keeping); Refrigeration Principles and Refrigerants (Refrigeration cycle, Pressure and temperature and Refrigerant safety); Leak Checking and Pressure Testing (Leak detection methods, Strength and tightness testing and Common leak points); Recovery, Evacuation and Charging (Recovery, Evacuation and Charging and handling). Every question is an original scenario written to the 2026–2027 standard, with the published source named under it.

Refrigeration and air-conditioning engineer, Heat pump installer, HVAC apprentice, Maintenance technician and Building services engineer. It suits anyone who wants a quick, verifiable way to show F-Gas knowledge in 2026 and 2027, from students and career switchers to experienced professionals.

Technicians who install, service, leak check, recover or decommission equipment containing fluorinated refrigerants (HFCs) must hold the right category of F-gas certificate in the UK and EU. Category I covers all activities on all system sizes.

Regulation (EU) 2024/573 phases HFC supply in the EU down to zero by 2050, adds bans on high-GWP refrigerants in new equipment and extends training to natural refrigerants like CO₂, propane and ammonia.

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

We rate it Intermediate: assumes hands-on experience in the role. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.