Low Charge Ammonia
The Natural Replacement for R22
Derek Hamilton CEng
US Business Development Manager
Azane Inc.
Introduction
Case Study
R22 Phaseout
What Next?
Low charge ammonia
R22 Phaseout
0
20
40
60
80
100
120
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
HCFC R-22 Allocation in Millions of lbs
Actual
Actual
Actual
EPA
Estimated
What next?
Natural Refrigerant
Nothing
Drop-in replacement
New HFC system
Low Charge, Packaged Ammonia
Factory built and tested
Low charge
Plug and play
Optimised energy efficiency
Totally natural fluid
Case Study Puerto Rico
190TR
Blow Molder Cooling
Water at 40F
Step changes in load
Dairy Plant
Case Study Puerto Rico
Case Study Puerto Rico
Cost and Performance Comparison
0.000.200.400.600.801.00
Pumped NH3
LC NH3 DX HFC Ammonia saves
41,080/yr vs HFC
2.00
2.50
3.00
3.50
4.00
4.50
5.00
60 65 70 75 80 85 90 95 100 105
Co
eff
icie
nt
Of
Pe
rfo
rma
nc
e
Ambient Temperature (F)