RectorSeal Corp., recently acquired the assets of Baltimore-based Universal Technologies and its AC Leak Freeze brands of refrigeration and air-conditioning system leak repair sealants.
The EPA passed a law (which had nothing to do with the environment) that forbids HVACR contractors from doing their own recycling in order to sell recovered refrigerant.
Shortly after the magazine came out, I received an email from a reader pointing out the obvious — that obtaining superheat and subcooling readings usually requires the use of both gauges and a thermometer. Yes, this is true. But perhaps I should have gone on to add the following.
