Questions about: hvac - страница 21

The Environmental Protection Agency ceased manufacture and importation of R-22 refrigerant as of January 1, 2010. As a result, existing R-22 refrigerant is recycled and in limited quality, forcing homeowners to consider converting R-22 air conditione
If you're currently lacking a stand alone fan and you've got a spare furnace blower fan lying around, you might be in luck. First, you'll need to know a little bit about furnace fans and how they operate in order to properly complete the conversion f
Any transformer you use needs to be listed specifically for use in 120VAC wiring subject to the National Electrical Code. Do not use some random transformer out of an electronics supply catalog, even if it is UL listed as a component. One of the Code
I've been in the attic quite a bit before the summer, and every time I look at the duct work, I keep wondering if some crazy/lazy person did it. For example, I have a flex duct running from the main trunk that does a 180 degree turn around a roof tru
This topic applies to the Power Query Formula Language (informally known as "M") which can be used with Power Query and Power BI Desktop to build queries that mashup data. See the list of function categories. The following tables describe the Power Q
GAS FURNACE Fit’s All 80 RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Installation and service must be performed by a qualified insta