2,400+ Definitions

HVAC GLOSSARY

Every HVAC term, acronym, and industry phrase — defined in plain English.

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HVAC Drawings
HVAC Drawings are specialized technical documents that illustrate all components…
HVAC Industry History
HVAC Industry History documents the evolution from steam heating in…
HVAC Installation
HVAC installation is the complete process of placing heating, ventilation,…
HVAC Log Book
An HVAC log book records the complete service history of…
HVAC Predictive Maintenance
HVAC predictive maintenance uses data analysis and machine learning to…
HVAC Scheduling App
An HVAC scheduling app enables users to program heating and…
HVAC Specification
An HVAC specification is a comprehensive written document that details…
HVAC Submittal
An HVAC submittal is a collection of documents and product…
HVAC System Design
HVAC System Design is the comprehensive engineering process of determining…
HVAC Tune Up
An HVAC Tune Up is a focused service visit that…
Hybrid Heat Pump
A hybrid heat pump system combines both an electric heat…
Hybrid Inverter
A hybrid inverter seamlessly manages power from solar panels, battery…
Hybrid Solar System
A hybrid solar system combines grid connection with battery storage,…
Hybrid Ventilation
Hybrid ventilation combines natural ventilation with mechanical systems to optimize…
Hybrid Water Heater
A hybrid water heater combines heat pump technology with electric…
Hydraulic Balancing
Hydraulic balancing is the process of adjusting flow rates through…
Hydraulic Separator
A device installed between a boiler plant and distribution system…
Hydronic Balance Report
A Hydronic Balance Report documents water flow rates, pressure differentials,…
Hydronic Heating
Hydronic heating is a system that distributes heat through water…
Hydronic System
A hydronic system is an HVAC system that uses a…
Hyper Heat
A manufacturer marketing term, originating with Mitsubishi Electric, describing heat…