Houston Independent School District students and teachers are feeling the heat - literally - as aging HVAC systems leave some classrooms sweltering.

KPRC 2 has received a flood of emails, messages and comments from parents and teachers about the uncomfortable conditions inside HISD schools.

Teachers taking matters into their own hands One fifth-grade teacher reached out to KPRC 2 on social media, saying it's her first year in the classroom and she hasn't had air conditioning since the beginning of the school year.