Assuming the heater works fine, you have a short, probably in the AC compressor clutch.
Bypass pully...ebay.com
most likely the thermostat, but these vans also have a history of blowing head gaskets...... It would help if you described symptoms
Yes, a 4.5 ton air conditioner would be the minimum size for 2000 square feet.
This was my original search question..."Why did my air conditioner stop blowing on my 2000 VW Passat." But wiki changed the whole thing and then posted it! Don't bother anwering.
Be sure you are installing the correct oil filter for that engine.
how do you charge the air conditioner on a 2000 neon
Yes
One reason is engine overheating - check your temp gauge and coolant as a first step.
the 1996 and 1997 are the same and would not work in your 2000 straight from GM
The 2000 Chevrolet Silverado truck has two ports on top of the air conditioner compressor. You will add Freon through the low pressure port.
about 2000 if your lucky
you need to repleace the blower motor resistor under the das on the passenger side