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I live in the bay area and have all my machines in the garage. The temperatures are steadily creeping down and I'm worried that the games will take permanent damage. I've put in an electric heater that try hold 50-60 degrees. The air feels sort of dry but I'm uncertain. What is the lowest temperature combined with the highest humidity that the games tolerate without taking permanent damage such as corrosion etc?
The specifications are in the manuals. I don't know what games you have but here's a Williams example:
Temp: 32°F to 100 F (0°C to 38°)C
Humid/tv: Not to exceed 95% relative.
PINBALL GAME ASSEMBLY INSTRUCTIONS
.Sii/il filii\; THE REXT GERERiiTIDR
IS A 6 BALL GAME.
Domestic 120V@ 60Hz
Foreign 230V@ 50Hz
Japan 1 OOV @ 50HZ
Dfmenslons: Width: 29" appmx.
Depth: 55" appmx.
Height: 76" approx.
Weight: 3221bs approx. (crated)
That's the operating conditions. I have all my pins in my heated/cooled basement arcade. So it's very consistent stays around 70 degrees with fairly low humidity. I would think that would be ideal.
People store/hoard pins in non-temp controlled environments here in MN, for who knows how long, and they don't have any adverse reactions to the weather and still work (both temp extremes and humidity extremes); so I'm guessing the 15* variance of NorCal year-round isn't anything to worry about... seriously...
The only thing you have is corrosion from the air/ocean, but even then, you really can't do much about it. So don't worry about it and play your games.
You don't appear to have any games that have real backglasses, so I would worry about humidity more then heat. If you don't have one already, I would just pick up one of these:
Just set the desired humidity percentage and leave it on. It will keep the balance.
Someone had a pretty cool idea in another thread ... Put a low wattage bulb in the utility socket of your pin. It'll produce just enough heat to keep it stable. My garage is heated to 60 minimum, with a timed thermostat for when I'm working in there. I also have a fan on to circulate the air rear round. In the winter I get significant stratification (layering) of heat from the very cold concrete floor, and this helps quite a lot. I keep an A/C in there to dehumidify things in the warmer months.
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