EPA Section 608
Definition to come.
Where it comes up
- Central air conditioning
The parts of a split system, what is normal and the signs of trouble
- How cooling and heat pumps move heat
The refrigeration cycle, and why your outdoor unit blows warm air
- Refrigerants and the rules
R-22, R-410A, newer refrigerants, certification and leaks
- Hiring a contractor
Estimates, contracts, licenses and your rights when you hire someone for HVAC work