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For Refrigeration HVAC/R Credentials

Verified HVAC/R Technician Credentials

Issue tamper-proof certificates for refrigeration technician credentials, EPA Section 608 certification, and HVAC/R specialty qualifications.

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The Challenge

Problems You're Facing

EPA Compliance

EPA Section 608 certification is federally required.

Industry Certifications

NATE and HVAC Excellence certifications need tracking.

State Licensing

Many states require HVAC/R contractor licenses.

The Solution

How OnChainCert Helps

EPA Documentation

Track EPA 608 certification universally.

Industry Credentials

Manage NATE and other certifications.

License Tracking

Monitor state licensing requirements.

Features for Refrigeration HVAC/R Credentials

Everything you need to issue and manage blockchain certificates.

Bulk Upload

Instant Verification

Custom Branding

API Access

Frequently Asked Questions

Common questions about blockchain certificates for refrigeration hvac/r credentials.

How does blockchain verification work for refrigeration hvac/r credentials?
When you issue a certificate through OnChainCert, we create a unique cryptographic hash of the certificate data and record it on the Polygon blockchain. This creates an immutable, tamper-proof record that anyone can verify instantly using the certificate ID.
How much does it cost?
OnChainCert offers a free tier with 5 certificates per month. Paid plans start at $6/month for 30 certificates. We recommend the Professional plan for refrigeration hvac/r credentials.
Can employers verify certificates for free?
Yes! Verification is completely free and requires no account. Anyone with a certificate ID can instantly verify its authenticity on our verification page.
What blockchain do you use?
We use Polygon, a leading Layer 2 Ethereum blockchain known for its speed, low costs, and environmental sustainability. Polygon is carbon-neutral and processes thousands of transactions per second.

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Learn more about blockchain certificates →

Ready to Get Started?

Join other refrigeration hvac/r credentials using OnChainCert to issue tamper-proof certificates.

Recommended: Professional $49/month
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No credit card required • 5 free certificates

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