TexasCHLforum.com

Manfred is correct. The age-old problem with indoor ranges is trying to cycle the air in the range fast enough to keep it clean, while heating or cooling it. It's possible to heat and cool that much air, but it is incredibly expensive to do it. The NRA's indoor range at headquarters stays warm in winter and cool in summer, but the HVAC system could heat/cool an aircraft carrier! (This is what I was told when I asked how we keep the temp correct and the air clean.)

Chas.