If you want your bulbs to last... get an oversized lamp and bulb and use a dimmer switch to dial it back. Example: I use a 75 watt lamp and 75 watt heat bulb, but I dial it back to about 30 watts of output, as to not overheat the enclosure, nor overwork the bulb and prematurely burn it out.
A bulb dialed down on a dimmer switch will last far longer than a bulb putting out it’s max wattage.
Most good thermostats like a herpstat work using dimmer technology also. As does a rheostat.
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