From AI-powered troubleshooting to field calculators and a community of pros — here's a look at the key features that help you diagnose faster and fix with confidence.
Describe the symptom in plain English — the Pro Assistant ranks the likely causes and gives you a step-by-step fix for each one.
Describe the symptoms in plain English and get a ranked list of likely causes with step-by-step repair guidance — trained on real HVAC diagnostics.
Paste any manufacturer error or fault code for an instant explanation and the recommended fix. Covers Carrier, Trane, Goodman, Lennox and more.
Walk through structured diagnostic flows for cooling, heating, and refrigeration issues — from no-cool calls to ignition failures.
Pressure-temperature charts, superheat & subcooling calculators, target superheat, electrical calculators, wire sizing, and airflow tools — all in your pocket.
Browse saved service manuals, wiring diagrams, and quick references by category — or search the web for any manual by brand and model number.
Post tough repair problems, share solutions, and learn from other working technicians across furnaces, AC, heat pumps, mini-splits, and refrigeration.
Skip the pocket reference cards and spreadsheets — the Tools tab puts the math and lookups right where you need them.
On-call at 2 AM? Get answers whenever the job demands.
Grounded in established HVAC principles and manufacturer best practices.
Furnaces, AC, heat pumps, mini-splits, VRF, refrigeration & chillers.
Join working HVAC technicians who get expert AI assistance on every call — for $29/month.
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