Ay nako, I wouldn't risk it po, kapag bagong hilot, ang baby ay sensitive pa to sudden temperature changes kaya mas better kung mag-aircon on low setting instead, or bili lang ng handheld fan para far away from her, hindi direktang airflow. Since may lagnat pa siya, kailangan mo talaga ma-monitor ang temperature, I'd suggest checking with your pedia to make sure it's not something serious, lalo na kung nag-spike pa ang fever or may other symptoms.