One related issue less commonly discussed and becoming more important is a change in HVAC system parts availability and usage - especially with the more stringent efficiency standards of 13 SEER. With this development, contractors are utilizing parts, technology, and additional training as never before. The NEWS spoke with representatives from Rheem, its distributors, and dealers about their concerns over all aspects of the 13 SEER parts market.
"With this increased precision, HVAC equipment is much less forgiving and less interchangeable than before."