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    Contractingbusiness 1475 80302goodmanglo00000052703

    Commercial Roodftop Units: Comfort from Above

    May 1, 2008
    Goodman Global, Inc. has introduced an Energy Star efficient, R-410A refrigerant light commercial product line that features easy installation and serviceability features, along with Goodman’s warranty coverage. The first products introduced for the commercial line are the 3-25 ton 13 SEER/11.5 EER multi-position gas electric and air conditioning, and multi-position heat pumps.

    Goodman Global

    Goodman Global, Inc. has introduced an Energy Star efficient, R-410A refrigerant light commercial product line that features easy installation and serviceability features, along with Goodman’s warranty coverage.

    The first products introduced for the commercial line are the 3-25 ton 13 SEER/11.5 EER multi-position gas electric and air conditioning, and multi-position heat pumps.

    The units are designed for efficient serviceability with a single point of entry, allowing minimal service time and effort.

    A five-year parts limited warranty, plus a 20-year heat exchanger limited warranty, is standard on all Goodman commercial products.

    Visit www.goodmanmfg.com for additional information.


    Designed for efficiency ratings up to 66% higher than U.S. government standards, the new Strategos rooftop unit product line from Lennox gives businesses an unprecedented level of control over their energy use to reduce operational costs and create successful strategies for sustainable design, the company says.

    Strategos units were developed to improve the efficiency of a wide range of light commercial buildings with a design that significantly reduces energy usage all year. With efficiency ratings up to 16.1 SEER, 14.3 EER and 16.4 IPLV, Strategos units are rated higher than requirements set by the U.S. Department of Energy and the American Society of Heating, Refrigerating and Air- Conditioning Engineers (ASHRAE).

    Visit www.lennox.com for additional information.

    American Standard

    Offering total comfort with the quietest operation, the new Heritage Hybrid 16 from American Standard Heating & Air Conditioning has up to 16.6 SEER rating. Able to operate as a two-stage electric heat pump and as a two-stage gas furnace, the Heritage Hybrid provides comfort under multiple conditions with the flexibility to choose between two energy sources.

    Available in 3-, 4-, and 5-ton models, Heritage Hybrid 16 reliability is assured with the American Standard all-aluminum Spine Fin coil and Duration two-stage compressor.

    Visit www.americanstandardair.com for additional information.

    Daikin AC

    Daikin AC (Americas), Inc. has introduced VRV III — the seventh generation of the original Daikin VRV launched in 1982. Its improvements include 460V three phase power supply, capacity up to 20 tons, connections for up to 41 indoor units from one piping network, and excellent part load efficiency performance, the company says.

    The VRV III is modular, compact and lightweight. It features flexible piping and a wiring design that simplifies the entire installation process. Daikin’s VRV III’s outdoor units can be transported in building elevators without the need for special cranes or lifting equipment.

    Visit www.daikinac.com for additional information.

    Baltimore Aircoil Company

    The IBC Compliant cooling tower provides costeffective, energy-efficient cooling in a compact footprint with capacity ranging from 100 to 1,300 tons. According to the company, this product is suitable for virtually any area of the world, regardless of local wind and/ or seismic requirements.

    This cooling tower was tested on a shake table and remained operational afterward without replacing components thus satisfying IBC requirements for buildings with a 1.5 Importance Factor.

    Visit www.baltimoreaircoil.com for additional information.


    Carrier Corp. has introduced a new series of 20-60 ton WeatherMaker large rooftop air conditioning units. The new WeatherMaker LRT series uses Puron (R-410A) refrigerant and exceeds ASHRAE 90.1-2007 efficiency requirements.

    Using Carrier’s Novation heat exchanger technology, the rooftop units provide increased corrosion protection while lessening the amount of refrigerant required, thereby minimizing maintenance and operational costs.

    The new WeatherMaker series is available in eight sizes and multiple configurations – cooling, cooling with gas heating, and cooling with electric heat.

    Visit www.carrier.com for additional information.

    Mitsubishi Electric HVAC

    The City Multi R2-Series, a variable refrigerant flow zoning (VRFZ) system from Mitsubishi Electric HVAC Advanced Products Division, features inverter technology and simultaneous cooling and heating, making it ideal for a wide variety of applications, the company says.

    According to the company, City Multi VRFZ systems allow building owners to provide each individual space with its own personalized, zoned comfort system while realizing energy savings in the process.

    The R2-Series outdoor unit offers a small footprint. A variety of indoor models are offered, including wall-mounted, floorstanding, ceiling-recessed and concealed-ducted types.

    Visit www.mehvac.com for additional information.


    Coleman Heating and Air Conditioning has introduced the Apex Series of packaged heating and cooling units. Available in 3-, 4- and 5-ton sizes, all models are designed with gas and electric utility knockouts on the sides and bottom for either horizontal or bottom duct connections. A common footprint, holes for overhead rigging, and forklift holes on three sides further simplify installation on a roof curb, slab, roof jack or frame.

    Visit www.switchtocolemanac.com for additional information.

    Sierra Fresh Air Systems

    Sierra Fresh Air Systems introduced the DCV, a packaged rooftop system built to handle the extreme conditions encountered when tackling the design challenges of providing ventilation air. Enhancements over common RTU designs include the exclusive DHTD indirect fired burner with turndown ratios as high as 100:1 and up to 88% efficient, and patented AdaptAire DDC controls (BACnet, LON, N2, and Modbus compliant).

    The DCV also incorporates a low profile design that is easily accessible for routine maintenance and designed to lower the cost of parapet walls enhancing the appearance of the buildings where it is deployed.

    Visit www.sierra_fas.com for additional information.


    The new Optimum series of packaged heating and cooling units from Luxaire Heating and Air Conditioning delivers energy-saving efficiency in an easy-to-install unit.

    Advanced economizer controls and SEER as high as 14 make the 3-, 4- and 5-ton units an attractive choice for lightcommercial applications, the company says.

    A Simplicity control board is standard on every model, enhancing energy efficiency and ensuring easy operation of the unit.

    Visit www.luxairebelievesinme.com for additional information.


    New commercial packaged rooftop systems from McQuay (3 to 50 tons) are ideal for one- to three-story buildings, including offices, schools, libraries, and strip malls, the company says.

    These systems combine the lower installation costs and interior space savings of a roofmounted system with the operating and maintenance efficiencies of central heating and cooling systems.

    Standard low-leak dampers provide resistance to air leakage and help reduce energy costs.

    Visit www.mcquay.com for additional information.

    ICP Commercial

    The ICP Commercial product line from International Comfort Products, LLC (ICP) includes 25-ton PGE300 package gas/electrics with up to 9.5 EER efficiency.

    This two-stage rooftop unit uses R-22 refrigerant with multiple hermetic-type scroll compressors. The ASHRAE 90.1-compliant unit features independent cooling circuits to provide part-load cooling operation.

    Other benefits of PGE300 units include: easily removable panels for ready access to unit components and standard filter dryers to help keep the refrigerant system free of contaminants.

    Visit www.icpcommercial.com for additional information.

    Sanyo HVAC

    The SANYO ECO-i system is an intuitive system that provides an immediate response to a change in room capacity, heat loads, and varying sun exposure throughout the day, the company says.

    Individual comfort zones allow for each room to be adjusted to personalized preferences. Through one refrigerant piping network, units are connected by up to nine fan coil units.

    This ductless system provides healthy air quality and uses an inverter controlled compressor that can precisely match the rotational speed of the compressor to the amount of refrigerant being delivered to the needs of each zone.

    Visit www.sanyohvac.com for additional information.


    Trane 3-, 4-, and 5-ton convertible packaged rooftop units achieve up to 15 SEER and up to 13.3 EER. The units offer dehumidification capabilities with selections down to 200 cfm/nominal ton.

    Indoor air quality (IAQ) products supported by the equipment include 2-in. pleated filters, a slide-out noncorrosive drain pan, CO2 sensing, and low airflow.

    According to Trane, service is easy, since everything is accessed through Quick- Sess panels on a single side. ReliaTel microprocessor controls have colored and numbered wiring.

    Visit www.trane.com for additional information.


    The Heil 6-ton PHH072 commercial package heat pump achieves 10.5 EER Energy Star efficiency. This single-stage rooftop unit uses R-22 refrigerant, scroll compressors and 71 MBtuh ARI cooling capacity ratings.

    These heat pumps feature 2-in. return air filters. An optional economizer features a control that accepts a CO2 sensor for IAQ capability.

    Quiet and efficient operation is provided by belt driven evaporator fans.

    Visit www.goheil.com for additional information.

    Rheem Manufacturing

    Rheem Manufacturing Company, heating and cooling division has recently expanded its growing package unit lineup with all-new light commercial Rheem and Ruud gas/ electric package units and air conditioners.

    The Rheem and Ruud RQPW 14-SEER dual-fuel heat pump and the Rheem and Ruud KPL 14-SEER package gas/electric package unit are both available in R-410A refrigerant.

    By design, the RQPW dual-fuel heat pump is a package heat pump with a gas furnace installed in the furnace section, instead of electric heat as in a standard package heat pump.

    For additional information, visit www.rheemac.com.

    Day & Night

    Day & Night PHH090-120 commercial package heat pumps are available in 71/2-, 81/2- and 10-ton capacities with energy efficiency ratios of 10.1 to 10.3, and ARI Net cooling capacity ratings of 88 to 116 MBtuh.

    This rooftop unit uses R-22 refrigerant and multiple scroll compressors. Belt-driven evaporator fans provide quiet, efficient operation.

    Freeze-protection thermostats and high and low pressure controls provide system protection for extreme cooling operating conditions.

    Visit www.godayandnight.com for additional information.

    Allied Commercial

    The new Allied Commercial KG, KC, and KH packaged rooftop units are Energy Star-qualified for energy savings, with HSPF ratings up to 7.7, SEER ratings up to 13.0, and EER ratings up to 11.4.

    The KG, KC, and KH all use environmentally responsible R-410A refrigerant. Available from 2- to 6-ton, they are ideal for any light commercial/commercial application, the company says.

    With serviceability in mind, features include marked and color-coded wiring, plug connections for accessories, TXVs and compressor on perimeter of unit, and isolated compressor compartment.

    Visit www.allied-commercial.com for additional information.


    The two-stage Comfortmaker PGE180-240 commercial package gas/ electric is available in 15- to 20-tons and offers up to 9.7 EER efficiency using R-22 refrigerant.

    Models are equipped with a high-efficiency scroll compressor on each circuit, plus dual, electrically, and mechanically independent circuits.

    Refrigerant filter dryers help ensure system cleanliness. Freeze-protection thermostats on each refrigerant circuit protect against coil frosting at low load operation.

    Visit www.gocomfortmaker.com for additional information.


    York Sunline Magnum packaged heating and cooling units from Johnson Controls combine high efficiency and advanced economizer controls with installation flexibility and low installed costs.

    The 14 SEER convertible single package units, available in 3-, 4-, and 5-ton sizes, share a common footprint for easy installation on a roof curb, slab, roof jack, or frame.

    To further reduce installation time and costs, factoryinstalled options include a stainless steel heat exchanger, electric heating elements, single enthalpy economizer, and toolless access panels.

    Visit www.yorkupg.com for additional information.


    Mammoth recently converted its line of three-phase packaged heat pumps, air conditioners and gas/electric packs to ozone-friendly R-410A refrigerant. In the process, the company also increased efficiency to up to 13 SEER.

    Available in units ranging in size from 3- to 5-tons, the convertible Mammoth packaged line can be installed on a rooftop or on a slab, providing versatility for contractors.

    The compact, low-profile models come complete with a one-year parts warranty, a 5-year limited compressor warranty and a 10-year heat exchanger warranty on gas/electric packs.

    For additional information, visit www.nordyne.com.


    International Comfort Products, LLC offers two-stage Arcoaire PHH090-120 package heat pumps in 71/2- to 10-ton capacities.

    This rooftop unit features R-22 refrigerant and achieves EER of 10.1-10.3, meeting ASHRAE 90.1 requirements.

    Easily removable panels provide ready access to unit components for rapid removal or maintenance.

    Visit www.goarcoaire.com for additional information.