Rooftop Units

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

sloned@achrnews.com (Dana Slone) — Thu, 04 Jun 2026 07:00:00 -0400

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

Mon, 09 Mar 2026 00:00:00 -0400

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

Mon, 15 Dec 2025 07:00:00 -0500

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

mariataylor@achrnews.com (Maria Taylor) — Sun, 02 Nov 2025 06:00:00 -0500

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.

Safety First When Working on Rooftop Condensing Units

Sat, 23 Aug 2025 07:00:00 -0400

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

Tue, 12 Aug 2025 00:00:00 -0400

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

mattjachman@achrnews.com (Matt Jachman) — Wed, 19 Feb 2025 07:00:00 -0500

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

Mon, 16 Dec 2024 00:00:00 -0500

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

Wed, 21 Aug 2024 07:00:00 -0400

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

Mon, 08 Apr 2024 07:00:00 -0400

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.

Project Files: Episode 70 — Rooftop Replacement at Texas Motor Speedway

mariataylor@achrnews.com (Maria Taylor) — Sat, 06 Apr 2024 07:00:00 -0400

The speedway’s original HVAC equipment, installed nearly 30 years ago, was outdated, and with one HVAC unit per suite, the cost to run and maintain the equipment was significant.

Heat Pump RTUs Taking Center Stage in Expanding Market

Wed, 03 Apr 2024 07:00:00 -0400

As heat pump technology advances and begins its march into colder climates, industry experts are expecting rooftop units to continue to gain popularity in both new construction and retrofits.

Strong Demand for HVAC Rooftop Units

mattjachman@achrnews.com (Matt Jachman) — Wed, 11 Oct 2023 07:00:00 -0400

Big-picture economic factors, such as inflation and rising interest rates, haven’t had much impact on RTU sales.

Carrier, Honeywell Selling RTUs Through Energy as a Service Model

woerpelh@bnpmedia.com (Herb Woerpel) — Mon, 15 May 2023 07:00:00 -0400

Working through one company and a fixed stipend, EaaS/EEaaS is designed to simplify and streamline all on-site efficiency upgrades, eliminating massive equipment costs, supply chain delays, unexpected maintenance charges, and more.

Trane Product Releases Aim to Help Customers Meet Decarbonization, Efficiency Goals

Tue, 18 Apr 2023 00:00:00 -0400

Trane introduces Thermal Battery™ Storage-Source Heat Pump System, Trane/Mitsubishi Electric HVRF, Versatile Axiom™ Water Source Heat Pumps, Next-Generation Precedent® Rooftop Units, and two enhanced air handlers.

New Rooftops Meet DOE Energy Standards and More

Thu, 16 Mar 2023 07:00:00 -0400

Manufacturers were eager to show off their latest energy-efficient RTUs, many of which can also be used to meet building owners’ decarbonization and electrification goals.

How New Efficiency Standards Affect Rooftop Units

bellolih@bnpmedia.com (Hannah Belloli-Oster) — Tue, 11 Oct 2022 07:00:00 -0400

While new DOE standards drive innovation and opportunity within the HVAC industry, they also add pressure and complexity for manufacturers.

Johnson Controls Showcases Rooftop Systems at “Game On” Roadshow

layandahhan@achrnews.com (Layan Dahhan) — Thu, 21 Jul 2022 11:00:00 -0400

The ACHR NEWS caught up with Johnson Controls’ “Game On” Roadshow at its final stop in Rochester Hills, Michigan.

Rooftop Unit Manufacturers Work Toward 2023 DOE Efficiency Standards

layandahhan@achrnews.com (Layan Dahhan) — Mon, 06 Jun 2022 11:00:00 -0400

For many manufacturers, higher efficiency systems have been in the works for a while, but the 2023 DOE standards, pandemic, and current supply chain issues have added pressure.

Johnson Controls Makes Products Greener for Customers, Easier for Contractors

Mon, 28 Feb 2022 00:00:00 -0500

The world is headed into a greener future and Johnson Controls wants to act as a leader in getting there. That will take smarter, more efficient HVAC equipment.

Lennox: ‘Overwhelming Response’ to New RTU

mattjachman@achrnews.com (Matt Jachman) — Mon, 28 Feb 2022 00:00:00 -0500

A Model L rooftop unit was the dominant display at the Lennox International booth at the recent AHR Expo in Las Vegas.

Rheem Focuses on Sustainability

Mon, 28 Feb 2022 00:00:00 -0500

Sustainability is core to the thinking at Rheem and was a common theme throughout the AHR Expo.

Rooftops Set to Become More Energy Efficient

Tue, 02 Nov 2021 07:00:00 -0400

The second phase will take place on Jan. 1, 2023, and require an additional 15% increase in efficiency.

Project Files: Episode 43 — Bull Valley Golf Club RTU Upgrade

mariataylor@achrnews.com (Maria Taylor) — Tue, 26 Oct 2021 14:52:00 -0400

With thousands of people visiting every year, Bull Valley needed to address deficiencies within the HVAC system of the 32-year-old clubhouse: in particular, the rooftop units.

Rooftop Retrofits Can Bring Indoor Air Quality, Occupant Comfort, Energy Savings

Mon, 20 Sep 2021 11:00:00 -0400

Packaged rooftop units are the workhorses of the commercial market, providing cooling to approximately 60% of U.S. commercial building floor area.

Replacing R-410A in Rooftop Units

Tue, 01 Jun 2021 11:00:00 -0400

This phasedown has been expected for a while, which is why OEMs have been working diligently to identify alternative refrigerants that are safe and efficient.

Rooftop Units Incorporate Tech for Safety, Efficiency, Remote Monitoring

GordonWhite@achrnews.com (Gordon White) — Tue, 17 Nov 2020 07:00:00 -0500

Commercial rooftop units feature a host of intelligent solutions to improve efficiency and ease of service/installation.

The Promise Of Artificial Intelligence In Chillers And Rooftops

Fri, 15 May 2020 11:00:00 -0400

Artificial intelligence (AI) is one of the most promising — and exciting — technologies to come to the HVACR industry in a long time.

HVAC Manufacturers Talk Rooftop Products, Trends

Mon, 04 May 2020 07:00:00 -0400

With each passing year, rooftop system developers find new ways to improve this staple piece of HVAC commercial equipment.

Lennox Helps Contractors Work Faster for Customer Comfort, Health

mariataylor@achrnews.com (Maria Taylor) — Mon, 02 Mar 2020 04:41:00 -0500

“Obviously, energy conservation and energy efficiency are two huge trends in the market.”