R-22
Definition to come.
Where it comes up
- Refrigerants and the rules
R-22, R-410A, newer refrigerants, certification and leaks
- Before the cooling season
The AC check-up, coils and drains, the outdoor unit, mini-splits and room units
- Repair or replace
Age, repairs and bills, R-22 systems, efficiency, sizing and what to ask
- What affects the cost
Size, efficiency, ducts, permits and refrigerant: what moves the cost of HVAC work