<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31480599</termId><termName>HVAC plans</termName><termType>PT</termType><termNote><![CDATA[ Scaled floor plans showing HVAC layout, which is the layout for heating, ventilation, and air contitioning. They may include small drawings of an adjacent elevation. For other drawings of HVAC systems, use "HVAC drawings." ]]></termNote><termCreatedDate>2026-03-30 21:09:24</termCreatedDate><relation><relationType>UF</relationType><termId>31480600</termId><termName>HVAC plan</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31480601</termId><termName>heating and cooling plans</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31480602</termId><termName>heating, ventilating, and air conditioning plans</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31480603</termId><termName>heating, ventilation, and air conditioning plans</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31480604</termId><termName>heating-cooling plans</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31480605</termId><termName>plans, HVAC</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31477613</termId><termName>utility plans</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31481615</termId><termName>heating plans</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31431975</termId><termName>HVAC drawings</termName><termType>PT</termType></relation></term>  </Zthes>