Cooling has change because of the global warming potential. One of the biggest change is that the unit is charged with. The new set of refrigerants which are referred as A2L. A2l classification is because they are more flammable then the older refrigerants. As far as the flammability factor it will not be like gasoline, but more like if you try lighting olive oil. Another change that the government enacted was a minimal seer rating or seasonal efficiency rating.
- Questions and Answer
- Some Basic for furnace functions
- Ventilation Basics
- Best Practices as a home owner
Here are some other basic about hvac in case you need some education