Packaged Rooftop Air Conditioning Units Commercial Comfort Systems - Series 100 82" H x 92" W x 344" D, 82" H x 92" W x 45... 344", 424", 454", 488" Johnson Controls Inc. - Sustainability 208/230 V 3 PH, 460 V 3 PH, 575V 3 PH HVAC Units Deliver Energy-Saving Performance Johnson Controls recognizes that large, outdoor single packaged HVAC units can have a significant impact on a facility’s energy bill. For that reason, Series 100 units have been designed to address the economic concerns of facility owners and designers.They are the first single packaged HVAC units in this capacity range that meet ASHRAE 90.1 efficiency standards. High-efficiency scroll compressors, multiple-step capacity control, and fully modulating gas heat deliver superior energy performance and better comfort. The microprocessor control center ensures the proper quantity of ventilation air, eliminating the cost of conditioning excess air.High-efficiency motors can reduce supply-fan energy consumption.

An airside economizer enables compressor-free cooling when outdoor air is cool and dry. Variable-speed drives can slash fan-energy costs as much as 40% compared to the inlet-guide vanes found on some competitive units.The Series 100 offers:Cooling capacities: 50 to 150 tons Meet or exceed ASHRAE 90.1 energy standards Factory-mounted controls for easy set-up and programming Double-wall construction and double-sloped drain pan enhance IAQ Footprint as much as 20% smaller than competitive units Single-point power connection reduces field wiring costs Energy-saving performance Download Package A - Air Conditioner-Package Rooftop - 50-61 Ton Cooling Only Download Package B - Air Conditioner-Package Rooftop - 50-61 Ton Gas Heat Download Package C - Air Conditioner-Package Rooftop - 50-61 Ton Electric Heat Download Package D - Air Conditioner-Package Rooftop - 50-61 Ton Steam Heat Download Package E - Air Conditioner-Package Rooftop - 50-61 Ton Hot Water Heat Download Package F - Air Conditioner-Package Rooftop - 70-105 Ton Cooling Only

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Making Smart HVAC Choices Heating and cooling systems can make up a large portion of energy consumption and costs. If you’re a commercial building owner or property manager, always consider efficiency when evaluating an existing HVAC system for repair or replacement.According to a 2001 report from the Consortium for Energy Efficiency (CEE), replacing 20-year old equipment with a premium efficiency commercial HVAC unit could reduce your energy use by up to 40 percent. Whether you decide to repair or replace your existing equipment, the CEE recommends that you hire a qualified contractor to:Examine each HVAC component to assess performance and remaining life.Perform cooling load calculations using updated criteria. Your loads may have changed due to equipment efficiency improvements or changes in your building's occupancy.Evaluate the cooling capacities of the existing units, and calculate the cost of adding capacity versus replacement.Ensure that the unit is sized correctly for your facility.

An oversized unit can have a reduced efficiency by up to 50 percent.Evaluate the blower's capacity to provide ventilation air. Older systems may not accommodate this requirement, which could be required for a retrofit.pare the efficiency of your equipment with current efficiency standards and code requirements. Often, energy cost-savings through increased efficiency justifies replacement.Ask your Account Executive for more information or call our Energy Savings Center at 1-800-644-6133. SDG&E®, San Diego Gas & Electric® and kWickview® are registered trademarks of San Diego Gas & Electric Company. © 1998-2016 San Diego Gas & Electric Company. The trademarks used herein are the property of their respective owners. Commercial HVAC Efficiency Cost Savings: Cert Air Balance, Building Automation, Maintenance Commercial HVAC efficiency cost savings: Cert Air Balance, Building Automation, MaintenanceWhether installing and maintaining a residential or commercial HVAC system a qualified heating and cooling technician will often complete a similar type of work to ensure the installed system is the correct size and works correctly.

In commercial situations a HVAC engineer is often faced with different problems than those facing a residential HVAC system, with the large amount of space or floors of a building to be affected often leading to great problems. Whether a rooftop or split level system is installed in a commercial environment, the need for proper maintenance and installation remains the same.When choosing a commercial HVAC system some of the major considerations include the size of the building requiring heating and cooling, with a unit designed to provide warm and cold air for the correct size of building an important factor. A qualified HVAC engineer will be able to make the correct call about where to install a unit, with the obvious decisions about keeping utility bills as low as possible always taken into consideration. During an installation and required maintenance the need to shade the unit should be considered, without blocking air flow to maintain a low level of utility costs.To ensure the costs of heating and cooling a building are not ignored certification in air balance techniques should be part of the published education of any HVAC engineer.

Air balance takes two forms for a commercial HVAC engineer, which include asking users of the commercial building about their comfort level and the settings used for the HVAC system. The second form of air balance technique is more detailed and includes the use of digital equipment to measure the air passing through return vents and the HVAC exhaust to determine how the system is working and what type of maintenance is required.Of course maintenance is the most important part of any commercial HVAC system after it has been installed and is running throughout the various seasons of the year. Qualified HVAC engineers ensure all coolant levels are correct and the unit is in good working order. For most commercial business operators one of the best options they can take is to organize regular HVAC maintenance and inspections under the terms of a contract, which should ensure any problems with a system are avoided to avoid lawsuits or problems with illness or injury. Much like in a residential system, a commercial building heated and cooled regularly requires maintenance to ensure the system works correctly.