How to learn advanced HVAC tech without formal training
Small operations and tight company budgets leave technicians with zero time for formal training or experimentation, forcing a sink-or-swim approach. Without hands-on practice, complex equipment integration, advanced control boards, and emerging technologies remain difficult to master.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 32.4× more often in r/sysadmin than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
How to learn advanced HVAC tech without formal training
- 1reading troubleshooting sections of equipment manuals online or in the fieldDid this help you?
- 2building experimental setups out of spare partsDid this help you?
- 3watching educational HVAC YouTube channels like HVAC SchoolDid this help you?
- 4learning on the job during high-pressure service callsDid this help you?
- 5Using free tiers of chat tools to draft emails or basic Excel formulasDid this help you?
- 6Writing custom Python code or macros independently instead of relying on AIDid this help you?
- 7Dismissing employer AI demands as hypeDid this help you?
- 8Obtaining technical certifications (Net+, Linux, AWS)Did this help you?
- 9Starting from entry-level helpdesk or MSP roles and working upDid this help you?
- 10Relying on personal labs and practical proof of skillsDid this help you?
- 11Hoping for an employer or hiring manager to take a chance on non-traditional experienceDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I’ve been in HVAC for a little while but shit still seems to escape my understanding.”source ↗
“when it comes to having two different brands working together…. I get lost”source ↗
“We’re a small operation that’s pretty much sink or swim, but time for training isn’t really a possibility unless we’re in a shoulder.”source ↗
“Outside attaching low volt and line, the rest of the wiring out side of testing a capacitor or contactor, I don’t know shit about the technical aspect of a board.”source ↗
“ETA no degree, some college, one cert Net+ 2008.”source ↗
“No degree, cert from technical college. NT Workstation, and Windows 7 Certs.”source ↗
“No degree, minimal college (nothing relevant), couple of Linux Certified Engineer certs, AWS Professional & Advanced-level certs”source ↗
“I got laughed out of interviews until one guy gave me a shot.”source ↗
“I have no degree and no certificates when I started my IT career.”source ↗
“No degree either and certs were just now a requirement within the company so started getting those within the past few months.”source ↗
“Just got feedback from an interview where they said I did great and had amazing technical knowledge and interpersonal skills, but they ended up going with someone who had more experience with AI creating and implementing models.”source ↗
“I work at a larger company that's hesitant to spend money (I've been trying to get a claude license for months), so I haven't gotten the chance to experiment.”source ↗
Where this came up
People with this problem also raised
- 5Where to start as a new project manager with no experience
- 2How to practice for software certs without job access
- 2Paying for IT certifications without company sponsorship
- 13Is it normal to have no training or supervision on a new job?
- 3How to train new employees on technical work without repeating yourself
- 5Do accounting internships matter more than a 4.0 GPA?