Grayfurnaceman Furnace Troubleshoot and Repair
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This site is dedicated to understanding the design, installation and repair of all types of furnaces, old or new.
I am a retired HVAC serviceman and instructor. With over 35 years in the business, I have seen many types of furnaces and done repairs on most.
I am passing on my experience in text and videos.
I am passing on my experience in text and videos.
This site covers installation and repair of furnaces.
These appliances use flammable and explosive gasses, flammable liquid fuels and lethal voltages. If you are not confident in your abilities, do not proceed.
How to use this site
If you are a homeowner looking for simple things to do before calling for repair service
The menu on the left are pages that cover specific subjects. Many have sub pages that highlight when the cursor is hovered or there may be a list of related pages when you click on the subject. These sub pages explain more specific parts of the menu page. Design sections are training modules to help you understand the how and why of HVAC.
The library is an ever expanding list of service manuals for equipment and parts. This craft is a hands on and highly technical career. You are encouraged to find the parts I discuss and tear them apart and look for yourself.
The troubleshoot page is an index of pages that covers troubleshoot of all types of furnaces. In some cases I have also placed a menu shortcut in the main menu.
A number of specific models of furnaces have their own troubleshoot pages.
I have included furnace design so you can see how furnaces are built and how they sequence.
I have also included pages for training in the use of natural gas, fuel oil and electricity.
The safety page includes training and links to help keep you safe.
The safety page includes training and links to help keep you safe.
The search box above will help you with finding specific subjects on the site.
There is a library of equipment and part manuals for finding installation and repair manuals
I also have a Youtube channel with all my videos listed.
If you are interested in cooling and refrigeration, Graycoolingman website may help.
If you are interested in cooling and refrigeration, Graycoolingman website may help.
