On the first day of Christmas
my client got from me
a fan-motor VFD
On the second day of Christmas
my client got from me
two TXVs
and a fan-motor VFD
On the third day of Christmas
my client got from me
three PLCs
two TXVs
and a fan-motor VFD
On the fourth day of Christmas
my client got from me
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the fifth day of Christmas
my client got from me
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the sixth day of Christmas
my client got from me
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the seventh day of Christmas
my client got from me
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the eighth day of Christmas
My client got from me
eight coil cleanings
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the ninth day of Christmas
My client got from me
nine ducts replacing
eight coil cleanings
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the 10th day of Christmas
my client got from me
10 cranes a lifting
nine ducts replacing
eight coil cleanings
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the 11th day of Christmas
my client got from me
11 chillers chilling
10 cranes a lifting
nine ducts replacing
eight coil cleanings
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
On the 12h day of Christmas
my client got from me
12 months of service
11 chillers chilling
10 cranes a lifting
nine ducts replacing
eight coil cleanings
seven pumps a pumping
six T-stats calling
five belts and filters
four pounds of charge
three PLCs
two TXVs
and a fan-motor VFD
Best wishes for a merry Christmas and a happy new year!
About the Author
Larry Clark
A member of HPAC Engineering’s Editorial Advisory Board, Lawrence (Larry) Clark, QCxP, GGP, LEED AP+, is principal of Sustainable Performance Solutions LLC, a South Florida-based engineering firm focused on energy and sustainability consulting. He has more than two dozen published articles on HVAC- and energy-related topics to his credit and frequently lectures on green-building best practices, central-energy-plant optimization, and demand-controlled ventilation.