My son is getting bids for a new system in his townhouse, 13 or 14 SEER. HVAC dealers are recommending R-410A instead of R-22. This comes from the Carrier and Bryant guys of course, but also from two Trane dealers. A Lennox dealer is holding out for R-22 over the phone, but he has not shown his face yet.

I know this is a never ending argument. Here's the question. If you have to handle refrigerant in a system as part of routine maintenance or replacement of a coil or valve, which is easier and quicker -- R-22 or R-410A? I suppose time is money.

Now factor in the current prices of the refrigerants, which is less costly to the home owner, bottom line?

Many thanks,