Pressure Drops Below Manufacturer Thresholds Disable Most HVAC Cooling and Heating Cycles
https://precisionhvacrepair-after-hours-sac-near-university-park6171.urbanvellum.com/posts/below-45-degrees-manufacturers-exploit-cold-climate-warranty-gaps-to-deny-coverage
The number one problem with HVAC systems is refrigerant pressure falling below manufacturer diagnostic benchmarks, which prevents cooling or heating cycles from completing