Rooftop Units - Articles

Humidity, Not Heat, Is Driving Transaera’s New Approach to Commercial HVAC

Following a successful field trial with Amazon, the company’s rooftop technology highlights how manufacturers are rethinking humidity control and energy efficiency

Dana Slone

June 4, 2026

Newly deployed technology rethinks how commercial air conditioning systems handle humidity — and uses novel materials to develop advanced heat pump systems that dehumidify, cool or heat air.

Consolidating Roof Penetrations: A Growing Trend in Multifamily HVAC Design

Fewer penetrations. Better details. Less risk.

March 9, 2026

Before your next rooftop install, review the failure patterns insurers keep flagging around mechanical penetrations.

Safer RTU Service: Field-Tested Ways to Use Sensors and Smart Practices to Cut Ladder Climbs

With fall hazards still leading construction fatalities, remote monitoring is giving technicians new ways to stay safe

Dylan Kurt

December 15, 2025

Rooftop service will never be risk-free, but new tools are helping to make unnecessary climbs a thing of the past.

HVAC Q&A Episode 16: Improving RTU Efficiency

Maria Taylor

November 2, 2025

In this video, Ben Kromer, HVACR service manager at Rolls Mechanical, talks about some smaller steps and some bigger measures that can maximize efficiency with RTUs.

FROSTlines

Safety First When Working on Rooftop Condensing Units

Do not take unnecessary risks when accessing this equipment

Joe Marchese

August 23, 2025

Rooftop service is never convenient, but always put safety first and plan ahead to reduce trips up and down the ladder.

On-Demand Trane Symbio® 700 Controls Training for HVAC Technicians

August 12, 2025

This two-part course explores how to successfully implement and troubleshoot Trane Precedent® Rooftop Units and Odyssey™ Split Systems that utilize Symbio 700 controls.

What’s Tops in Rooftops

Heat pumps, greater energy efficiency, and IAQ features are among the major RTU trends

Matt Jachman

February 19, 2025

Modern RTUs can include a variety of advanced features that reduce energy use and improve comfort and IAQ.

Packaged and Split System Heat Pump FAQs

December 16, 2024

Explore Trane's FAQ resource to learn how rooftop and split system heat pumps enhance energy efficiency, support decarbonization, and provide reliable heating in diverse climates.

Advances in Heat Pump Rooftop Units for Cold Climates

Their residential CCHPs were a success, so OEMs are tackling their commercial counterparts

Joanna R. Turpin

August 21, 2024

The DOE's new Rooftop Accelerator program encourages manufacturers to develop efficient commercial rooftop heat pumps for cold climates, which could reduce GHG emissions and energy costs by up to 50%.

Residential Cooling Showcase 2024

Joanna R. Turpin

April 8, 2024

In this showcase, The ACHR NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors distinguish between brands.