Guide to the HAVC/R certification and competency tests /
Featherstone, Robert
Guide to the HAVC/R certification and competency tests / Robert Featherstone, Jesse Riojas. - Upper Saddle River, N. J. : Prentice Hall, c2001. - vi, 265p. ; 28 cm.
0130106941
Heating--Problems, exercises, etc.
Air conditioning--Problems, exercises, etc.
Ventilation--Problems, exercises, etc.
Mechanics (Persons)--Certification--United States.
Guide to the HAVC/R certification and competency tests / Robert Featherstone, Jesse Riojas. - Upper Saddle River, N. J. : Prentice Hall, c2001. - vi, 265p. ; 28 cm.
0130106941
Heating--Problems, exercises, etc.
Air conditioning--Problems, exercises, etc.
Ventilation--Problems, exercises, etc.
Mechanics (Persons)--Certification--United States.