HVAC

RTU doors are poorly designed, making filter changes on elevated platforms unsafe and difficult.

A technician cannot diagnose unusual refrigerant system pressure fluctuations and suspects non-condensables, but is unsure how to confirm without replacing the system.

HVAC technician needs to quickly remove cannabis odor from tools, uniforms, and truck before visiting high-end clients.

HVAC technician is frustrated that his company upcharges for necessary coil cleaning during tune-ups, incentivizing incomplete service.

Cannot find an R454 leak sensor and board for an aftermarket 410A air handler paired with a 454 condenser due to refrigerant incompatibility.

Kitchen staff leaving walk-in cooler doors open for extended periods causes temperature issues and unnecessary service calls, and there is no simple way to monitor or alert on door open events.

Customers frequently argue about load calculation results because they rely on inaccurate free Manual J apps.

A technician is frustrated with the poor quality and premature failure of a new RTU's discharge line transducer due to corroded connector pins, and believes manufacturers are colluding to price fix.

Uncertainty about the impact of not purging nitrogen while brazing on a new heat pump installation, and whether flushing or sending it is the right course of action.

A contractor needs a code-compliant, serviceable roof penetration detail for a condensing boiler flue through a low-slope green roof that allows replacing the flue terminal without damaging the waterproofing or insulation.

TXV replacement testing is unreliable due to suspected vacuum leaks from cheap valve core removal tools, despite holding nitrogen pressure at 175 PSI

HVAC technician diagnosing a residential AC unit with erratic high side pressure and subcooling fluctuations, unable to determine root cause after standard checks.

HVAC technician cannot diagnose why an old system with R407c refrigerant is running high head pressure despite standard troubleshooting steps, suspecting compressor-oil incompatibility.

HVAC business owner needs to automate Google review requests but cannot filter out negative reviews before they go live, risking damage to reputation.

HVAC business owner struggles to get customer reviews consistently because technicians forget to ask.