Thursday, April 30, 2026

Career changer into HVAC – electrical background, best way to build refrigeration knowledge? UK

Good day all,

I’m looking for some advice on getting into refrigeration/HVAC as a career changer.

I’ve spent ~16 years in hospitality and retail, with a couple of years in a mechanical maintenance role. I’ve recently completed my City & Guilds 2365 Level 2 in Electrical Installation, and I’m also attending Level 3 testing classes in my own time to continue building my electrical knowledge.

I’m actively applying for apprenticeships and trainee/improver roles, and I’ve been working 2 days a week with a small AC servicing outfit. However, the work is limited to basic maintenance (filters, cleaning, deodorising), and there’s been no progression into fault finding or full-time hours, so I’m now looking to move on.

In the meantime, I want to use my spare time productively to build refrigeration knowledge that will actually be valued by employers.

Constraints:

  • College-based Level 2 refrigeration courses aren’t practical due to distance
  • Private training centres are very expensive
  • I’m planning to fund and complete F-Gas (Category 1) as soon as possible

What I’m looking for:

  • Recommended self-study routes (books, structured online courses, etc.)
  • Whether platforms like the AC Service Tech online academy are worth doing (even though they’re US-based)
  • What knowledge/skills actually make a difference when trying to land an improver role (beyond F-Gas)

My goal is to move into a proper HVAC/refrigeration role where I can develop into fault finding and diagnostics, not just basic servicing. i do have a potential improver role lined up with a large facilities management firm if i can attain a cat 1 F-gas certificate, but i dont want to book onto this without at least having the theory knowledge nailed

Appreciate any advice from those already in the trade.

submitted by /u/ComplaintFar1094
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