I've been using mostly tube and occasionally Class A ss amps continually since buying my first component amp in 1970. Other than advising anyone to keep such an amp away from the HVAC thermostat, I've never had an amp put out enough heat to determine how often my AC runs. So other than the room being very small and the amp sitting next to the thermostat, it's hard for me to imagine a different amp for climate control reasons.
I know people who use tube amps except when they run their "summer" configuration around solid state. I haven't sensed any difference in their incidence of AC. Anyway, I know the F1 releases some heat. If you like Nelson Pass amps, you might like the M2. Very clever and voiced to be more like a tube amp, including passive magnetic gain in the input stage.
You already have a great amp. If you really need a cooler running solid state amp, consider a Quad 909, an evolution of Peter Walker's excellent current dumpiing amp, the Quad 405.
Phil
I know people who use tube amps except when they run their "summer" configuration around solid state. I haven't sensed any difference in their incidence of AC. Anyway, I know the F1 releases some heat. If you like Nelson Pass amps, you might like the M2. Very clever and voiced to be more like a tube amp, including passive magnetic gain in the input stage.
You already have a great amp. If you really need a cooler running solid state amp, consider a Quad 909, an evolution of Peter Walker's excellent current dumpiing amp, the Quad 405.
Phil