Rooftop Units

RTUs Cool More Space Using Less Energy

By Dan Vastyan
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Some industry experts in the HVAC industry consider gas-fired condensing combustion heating systems to be the final frontier in rooftop heating technology.


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Johnson Controls: Commercial Rooftop Units

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With an exact-fit replacement design, the York® Prestige™ rooftop units match the footprints and electrical and gas lines of other manufacturers’ units, said the company. 


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Thybar Corp.: Custom-Made Rooftop Unit Base

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Bases for secure rooftop equipment mounting are quickly manufactured to precise specifications. 


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NEWS Panel Highlights Smartest Products

Contractor Board Shares Insight into the Most Intelligent Products They Install
By Kimberly Schwartz
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We asked the contractors on our editorial advisory board to share which products they believe truly deserve to be called smart — and why.


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Lennox Commercial: Commercial Rooftop Units

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For the 3- to 5-ton high-efficiency Energence® rooftop units, the SmartAirflow™ sensor-based system is available. 


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Converting Constant to Variable Volume

Variable-Volume Conversion Can Offer Significant Energy Savings
By Ryan Rex
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Converting a constant-volume RTU to variable volume can save anywhere between 20-50 percent in energy savings if done correctly. 


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Thybar Corp.: Rooftop Unit Curbs

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Quickly manufactured to precise specifications, Filter Curbs offer additional filter capacity for rooftop units. The curbs feature all-welded construction, factory-insulated walls, integral filter rack, and access door for servicing filters.


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Allied Air Enterprises LLC: Packaged Rooftop Units

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The Allied Commercial™ 13- to 25-ton models have been added to the high-efficiency K-Series product line of packaged rooftop units. They are available in gas/electric, electric/electric, and heat pump models.


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Commercial Products Feature Comfort, Efficiency

New Heating Equipment Sure to Please Building Owners, Occupants
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In addition to the 2013 Commercial Heating Showcase product grid, The NEWS spotlights the HVAC industry’s latest commercial heating products in this photo feature.


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Oct. 9, 2013: Daikin to Integrate Intel Technology in Rooftop HVAC Units

These HVAC Units Will Intuitively Know When to Adjust for Occupant Comfort and Energy Efficiency
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Daikin Applied (formerly Daikin McQuay) has announced plans to integrate Intel-based technology in its rooftop units to utilize building data and create intelligent building systems. According to the company, these systems would intuitively know and adjust to what building occupants need for comfort and energy efficiency.


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Joseph Groh

Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

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2014 August 18

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Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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