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research shows why not to use ordinary cooking propane
one it ain't pure propane got butane and WATER in them BBQ tanks
refer r290 is pure sans water or other gas costs more but will not kill you system with corrosion
like water will
a Propane/Propylene mix is a bit better cooling
Thermodynamic performance analysis of eco friendly refrigerant mixtures to replace R22 used in air conditioning applications
SV Shaik, TPA Babu*- Energy Procedia, 2017 - Elsevier
In the present study theoretical thermodynamic performance of a 0.8 TR window air
conditioner with ten binary refrigerant mixtures consists of propylene (R1270) and propane
(R290) was investigated based on actual vapour compression refrigeration cycle. All the
investigated refrigerant mixtures consist of zero ozone depletion potential. Global warming
potential of R22 is 1760 whereas GWP of all the studied refrigerant mixtures were below
three and also these mixtures are closer to azeotropic containing the temperature glide*…
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