Pressure readings above 0.5 inches determine if 72-degree cooling strains your AC capacity
https://precisionhvacnearuc-davis.yousher.com/beyond-15-years-old-hvac-equipment-faces-exponentially-higher-failure-rates-1
Setting your thermostat to 72 degrees is not inherently too cold, but whether it stresses your air conditioning depends entirely on your system's airflow capacity and static-pressure performance