AAON sets the standard for commercial packaged rooftop units in performance, serviceability, and long-term value. The world's best RTU. Built just for you. Widely considered the industry's gold standard for performance, AAON packaged rooftop units …

Jan 11, 2022 · A direct expansion air conditioning unit, also called a DX unit, cools indoor air using a condensed refrigerant liquid. Direct expansion is the type of air conditioning unit most commonly used in homes across the United States.

YORK® Commercial Packaged Rooftop Units offer low operating costs, easy installation and Smart Equipment controls for advanced, high-efficiency comfort.

YORK® Packaged Rooftop Units for heating and air conditioning meet code compliance and go a step further by significantly cutting energy costs. Key product design features, along with embedded Smart Equipment, ensure easier HVAC installation, start-up and commissioning.

The RTU is the most widely used commercial heating and the cooling unit found in the U.S. The rooftop unit is sometimes called a package unit, as all its components are contained in one unit. The RTU is usually a direct-expansion (DX) unitary system, which means that the air is cooled by a refrigerant, and can be either fan-cooled or water-cooled.

Apr 17, 2022 · We’ll cover Packaged Rooftop HVAC Units from 2-Tons to 162-Ton, and discuss their components and when to add a return or exhaust fan into the unit. If you prefer to watch this presentation see our Animated Version on YouTube by scrolling to the bottom this article.

Units are available with electro-mechanical controls or RTU Open multi-protocol direct digital controller. Additional ComfortLink integrated controller on 3-5 ton models that provides: Scrolling marquee display; Reverse rotation protection; Service diagnostics and alarms; Alarm and run time history; Additional dehumidification fan speed control

Improvement of evaporator refrigerant / two-phase heat transfer. Increased suction density improves compressor volumetric efficiency. Variable sensible heat ratio optimizes airside performance. Releases constraints on operating parameters. The optimizing controller tuned the RTU’s operation according to varying conditions as expected.

Mammoth is a manufacturer of Ultraline™ high-capacity custom DX rooftop units. Factory-packaged with factory controls, Mammoth RTU’s combine tried and true equipment layouts with custom capability.

Nov 11, 2018 · Find out how RTU's work with this FREE crash course on Rooftop units. We cover everything from the basics up to the advanced versions looking at typical examples and animations to help build your base knowledge and learn HVAC engineering.