Appliances containing as little as 15 pounds of hydrofluorocarbons are subject to leak detection, repair and replacement ...

Let a pro take a look at your AC Find top-rated local experts ready to help. Natural gas has no odor or color, so gas companies add mercaptan, a harmless but stinky chemical, to the natural gas supply ...

The last 30 years have been a bit of a rollercoaster as far as synthetic refrigerants are concerned. First, CFCs were phased out and replaced by HCFCs, which are now in the process of being phased out ...