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Ventilation is usually only required in cold rooms that have some sort of oxygen depleting activity or some type of hazardous material storage (people working / plant growth etc and some other specialty applications). Food storage coolers and freezers almost never need ventilation. The...

We have used a brush-on product in corrosive agricultural environments but I can't remember exactly what it was. I've also done work on a job where it was professionally applied and I think it was the same epoxy coating as the floor... but I can't confirm that.

stainless will work but very expensive and almost impossible to find any clean enough for refrigerant lines. I have seen very good results using epoxy coatings in corrosive environments.

You do not need to add an additional factor above whatever the calculated latent and sensible heat loads are. Adding more refrigerating capacity by itself won't really do anything (like IRStuff said, your DeltaTime might be unreasonable though making the simple load calculation worthless). How...

If everything else is working correctly and the system was installed correctly, a poperly sized CPR will fix your problem. This is precisely what a kind of situation a CPR is designed for. That being said, if the compressor is not "over-amping" than it is not in as much danger of being damaged...

I'm not familiar with receivers that have an inverted dip tubes for the refrigerant inlet. Most of the ones I've worked with have had the liquid enter at the top and leave through the bottom (the actual connection is on the bottom or there is a dip tube) but I must admit, my experience is...

Here's how I understand it... There is a saturated condition in every receiver. The vapour and the vapour/liquid interface is saturated. The liquid refrigerant enters the receiver subcooled so it is colder than the vapour it contacts at the receiver inlet. This temperature difference...

A little off topic but... When a system is operating, subcooled liquid enters and exits the receiver quicker than the pressure and temperature can achieve an equilibrium. The liquid/vapour interface is the only location where saturated conditions exist. This is why when you measure the outlet...