Hvac Serial Number Cheat Sheet
Hvac Formulas Cheat Sheet
- Click below to see some great reviews on Goodman central air conditioners Learn Basic HVAC for better I was having difficulty finding parts for my 49 year old central air unit, so, with great trepidation, decided to have it replaced.
- Serial Number Nomenclature You can determine the date of manufacture based off of the 4 digits after the first letter in the serial number. The 2nd and 3rd digit indicate the year of manufacture, and the 4th and 5th digit indicate the week of that year the unit was manufactured.
Results 1 - 48 of 6556. Serial number styles/formats found: Style 1:. Goodman data plate. Looking for the product specs or brochure for a Goodman product? Look no further, this list should have everything you need. I can't find my cheat sheet and want to make sure I get the date of manufacture correct for future.
The quickest way for most people to tell is if the thermostat has an 'emergency heat' setting. Most 'all electric' homes (no gas or propane service) are heat pumps, although some just use heat strips for heat.
The #3 suggestion of yours will work for most systems, but some systems will turn off the compressor and run strip heat or a gas furnace when stage 2 heat is engaged.
In our area 6 out of 10 homes are regular gas furnace/AC. 2 out of 10 are heat pumps, straight strip heat is 1 out 10 homes. Gas furnace with heat pump (aka 'dual fuel') is 1 out of 10 homes.
Apartments are almost always strip heat, although sometimes we will see a gas furnace in one. I haven't seen a dual fuel or heat pump in an apartment yet.