A heating system is a mechanism for maintaining temperatures at an acceptable level; by using thermal energy within a home, office, or other dwelling. Often part of an HVAC system. A heating system may be centralized or distributed.
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soi had a heating system and i wanted to know about how it worked and stuff so i looked at it and this girl named rachel elston tried to help but she was terrible so i had to kill her and yorisha bryant came and i killed her to Yorisha Bryant goes to Altamont school just in case you want meet her outside of the school.....she is black 6ft1-3