Here's a listing of the latest links, reference info, articles and videos just added to the EF:

Copeland X-Ref App:

CPC E2 Ultrasite & Insite Download + Ultrasite Technical Bulletins:

A.O.Smith - Motor Mastery University:

The Lighter Side of Refrigeration History (Video):

GE ECM Motor Training Video (ECM / PSC Performance Comparison Video):

Goodman "SmartContractor" Mobile App:

Measuring Total System Airflow:

Martindale's Calculators On-Line Center:

Honeywell Refrigerant Properties Software Suite:

Refrigerant Pipe Sizing Software:

HVAC Calculators & Air Conditioner Analyzer: