What's wrong with
your HVAC?
Answer 4 quick questions and we'll identify the likely issue, estimated repair cost, and next steps. Takes under 60 seconds.
What problem are you having?
Select the issue closest to what you’re experiencing.
How a Vinco tech actually diagnoses
- 01
Gauges and temperature clamps. Suction and head pressure, subcooling, superheat. The difference between low on charge and metering device failing lives in these four numbers, and guessing wrong wastes a compressor.
- 02
Micron gauge. After any refrigerant-side repair, the system pulls down to a measured vacuum before recharge. If it will not hold, there is still a leak. No exceptions.
- 03
Static pressure and airflow. A manometer across the air side finds the duct and filter problems that get misdiagnosed as refrigerant problems.
- 04
Insulation resistance and electrical measurement. Motor windings, contactor condition, voltage on every leg. On a recent hotel chiller plant we measured 199 volts on one leg and reported it as flagged, not as the cause, because one leg is not a diagnosis.
- 05
Controller fault history. On VRF systems the centralized controller logs every fault. We read the history and walk the communication bus before anyone replaces a compressor. A fault code is a protection event, not a diagnosis.
