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Thread: R-22 drop-ins
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28-10-2007, 04:01 PM #1
improving poster
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R-22 drop-ins
I know this issue has been discussed in several HVAC forums ad nauseum, but I'm interested in more opinions on what would be the most suitable long term drop-in for R-22 at the best price.
Here in the states,407-C seems to be the most widely accepted alternative. It's not cheap.
But then again, R-22 prices have doubled for me in the last 6 months, unless I buy it in bulk.
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