HVAC controls and systems /
Levenhagen, John I.
HVAC controls and systems / John I. Levenhagen, Donald H. Spethmann - New York : McGraw-Hill c1993 - xi, 334 p.: ill., photo; 24 cm.
Includes index
0070375097
Air conditioning--Control
Heating--Control
HVAC controls and systems / John I. Levenhagen, Donald H. Spethmann - New York : McGraw-Hill c1993 - xi, 334 p.: ill., photo; 24 cm.
Includes index
0070375097
Air conditioning--Control
Heating--Control