<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31431975</termId><termName>HVAC drawings</termName><termType>PT</termType><termNote><![CDATA[ Refers to drawings of HVAC systems, which are systems for heating, ventilation, and air conditioning. For scaled floor plans use "HVAC plans" or a more specific term, such as "plumbing plans." ]]></termNote><termCreatedDate>2026-03-30 20:56:32</termCreatedDate><relation><relationType>UF</relationType><termId>31431976</termId><termName>HVAC drawing</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431977</termId><termName>drawings, HVAC</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431978</termId><termName>heating, ventilating and air conditioning drawings</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431979</termId><termName>heating, ventilating, and air conditioning drawings</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431980</termId><termName>heating, ventilation and air conditioning drawings</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431981</termId><termName>heating, ventilation, and air conditioning drawings</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31402519</termId><termName>mechanical drawings</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31480599</termId><termName>HVAC plans</termName><termType>PT</termType></relation></term>  </Zthes>