Technical support: Available.

Noise-reduction features: Sound attenuation package available.

Humidity-control features: Available.

Additional features: Aquazone WSHPs are provided standard from the factory to operate in all water loop and geothermal applications with the capability to operate between 25? and 110?F EWT and down to 1.5 gpm/ton.

Contact: Carrier Corp., Syracuse, NY; attn: David Sabatino, P.E., 315-432-6029; david.sabatino@carrier .utc.com (e-mail); www.carrier.utc .com (website).

eProduct #233

Carrier

Model: 48E rooftop electric cooling/gas heating air conditioner

Footprint (in inches): Manufacturer did not specify.

Serviceability features: Hinged access panels.

Technical support: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: Manufacturer did not specify.

Additional features: Up to six stages of cooling capacity. Easily replaces old installed Carrier rooftops. Communicating electronic controls. Saves energy with demand-control ventilation. “Tuf-Skin Rx” cleanable, antimicrobial insulation. Integrated gas unit controller (IGC) provides diagnostic capability and superior reliability. Direct-spark ignition saves operating expense. Safety is ensured with an induced-draft combustion system that operates under negative pressure. Options available for liquid propane, stainless steel heat exchangers and staged gas heat for tempering supply air.

Contact: Carrier Corp., 800-227-7437; www.carrier.com (website).

eProduct #234

Carrier

Model: 48 HG rooftop electric cooling/gas heating air conditioner

Footprint (in inches): Manufacturer did not specify.

Serviceability features: Hinged access panels, slide-out filters, slide-out blower, ComfortLink controls with scrolling marquee display, service diagnostics.

Technical support: Manufacturer did not specify.

Noise-reduction features: Lowest sound levels in the industry.

Humidity-control features: Manufacturer did not specify.

Additional features: Up to 11.5 EER efficiency. Easily replaces 200,000 installed Carrier rooftops. Side-by-side horizontal airflow. ComfortLink communicating controls and demand-control ventilation. Integrated gas unit controller provides diagnostic capability and reliability. Direct-spark ignition saves operating expense. Safety is ensured with an induced-draft combustion system that operates under negative pressure. Options available for liquid propane and stainless steel heat exchangers.

Contact: Carrier Corp., 800-227-7437; www.carrier.com (website).

eProduct #235

Carrier

Model: 48TF/TM/HJ rooftop electric cooling/gas heating air conditioner

Footprint (in inches): Manufacturer did not specify.

Serviceability features: Options for hinged access panels, convenience outlet.

Technical support: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: “MoistureMiser” dehumidification package.

Additional features: HJ is available with “Energy$Recycler” energy recovery ventilator. “PremierLink” communicating control is optional. Demand-control ventilation. Integrated gas unit controller provides diagnostic capability and reliability. Direct-spark ignition saves operating expense. Safety is ensured with an induced-draft combustion system that operates under negative pressure. Options available for liquid propane, stainless steel heat exchangers, and low NOx.

Contact: Carrier Corp., 800-227-7437; www.carrier.com (website).

eProduct #236

Carrier

Model: 48TJ/HJ rooftop electric cooling/gas heating air conditioner

Footprint (in inches): Manufacturer did not specify. Serviceability features: Options for hinged access panels, convenience outlet.

Technical support: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: MoistureMiser dehumidification package.

Additional features: Replaces 200,000 installed Carrier rooftops. Optional PremierLink communicating control. Demand-control ventilation. Integrated gas unit controller provides diagnostic capability and reliability. Direct-spark ignition saves operating expense. Safety is ensured with an induced-draft combustion system that operates under negative pressure. Options are available for liquid propane and stainless steel heat exchangers.

Contact: Carrier Corp., 800-227-7437; www.carrier.com (website).

eProduct #237

Carrier

Model: 48Z rooftop elec-tric cooling/gas heating air conditioner

Footprint (in inches): Manufacturer did not specify.

Serviceability features: Hinged access panel.

Technical support: Manufacturer did not specify.

Noise-reduction features: Extended discharge plenum for sound attenuation.

Humidity-control features: Auxiliary reheat-heat reclaim coils.

Additional features: Up to nine stages of cooling capacity. Option for communicating electronic controls. Save energy with demand-control ventilation. Optional high-capacity evaporator coils. Operation at 120?F. Spring isolation on supply fan. Optional air foil fans. Economizer hoods. Integrated gas unit controller provides diagnostic capability and reliability. Direct-spark ignition. Safety is ensured with an induced-draft combustion system that operates under negative pressure. Options are available for liquid propane, stainless steel heat exchangers, and staged gas heat for tempering supply air.

Contact: Carrier Corp., 800-227-7437; www.carrier.com (website). eProduct #238

ClimateMaster

Model: Genesis GC (compact) Series water-source heat pump

Footprint (in inches): 20 by 43 (horizontal units). Serviceability features: Three service access panels, easy access to refrigeration service ports, blower inlet rings for easy blower wheel removal.

Technical support: Available by calling 405-745-6000.

Noise-reduction features: Double compressor isolation system for reduced sound levels. Sound-damping package is optional.

Humidity-control features: Manufacturer did not specify.

Additional features: Compact cabinet designed for replacement of older water-source heat pump units. Ideal for new construction where ceiling space is limited. Multiple control boards accommodate most control packages, including LONWorks ddc systems. Factory-installed hanger brackets are standard.

Contact: ClimateMaster, Oklahoma City, OK; attn: Scott Stevens, 800-299-9747, ext. 280; sstevens@climatemaster.com (e-mail); www.climatemaster.com (website).

eProduct #239

International Comfort Products

Model: Comfortmaker HCE Series heat pump

Footprint (in inches): 32 5/8 to 40 5/8 (h) by 24 to 27 (w) by 26 to 28 (d).

Serviceability features: Access panels for easy service. Service valves on all models with 3 12-in. stubs and fan motor inline disconnect plug. Externally mounted gauge ports provide easy access for maintenance and allow for more accurate reading of operating conditions while servicing.

Technical support: Technical service advisor on staff at local distributor is available for assistance, troubleshooting.

Noise-reduction features: The units are built with scroll compressors for quiet operation. All models include suction line accumulators regardless of the system refrigerant charge or unit capacity. The accumulators smooth out refrigerant management during mild ambient conditions and the transitions during defrost operation to eliminate sounds associated with the scroll compressors pumping liquid refrigerant.

Humidity-control features: Matching this split-system heat pump with the MV variable-speed air handler provides humidity control.

Additional features: This is the first 12-SEER three-phase split system Comfortmaker heat pump. It comes in 208/230, 460 and 575 three-phase voltages. The new top-discharge design has a corrosion-resistant grille. High- and low-pressure switches provide compressor protection for extreme cooling operating conditions. Pressure-operated fan-cycling device offers 0?F low ambient control. Copper tube and aluminum fin coils improve heat transfer.

Contact: International Comfort Products, Nashville, TN; attn: John Mott, 800-315-4370; john.mott@mottpr.com (e-mail); www.comfortmaker.com.

eProduct #240

International Comfort Products

Model: Heil CHC Series 6.3-ton heat pump

Footprint (in inches): 38 1/2 (h) by 33 (w) by 35 (d).

Serviceability features: Externally mounted gauge ports provide access for maintenance and allow for more accurate reading of operating conditions.

Technical support: Technical service advisor on staff at local distributor is available for technical assistance, troubleshooting.

Noise-reduction features: The units are built with scroll compressors. All models include suction line accumulators regardless of the system refrigerant charge or unit capacity. The accumulators smooth out refrigerant management during mild ambient conditions and the transitions during defrost operation to eliminate sounds associated with the scroll compressors pumping liquid refrigerant.

Humidity-control features: Manufacturer did not specify.

Additional features: The top discharge design has a corrosion-resistant grille. High- and low-pressure switches provide compressor protection for extreme cooling operating conditions. Pressure-operated fan-cycling device offers 0?F low ambient control. Copper tube and aluminum fin coils improve heat transfer.

Contact: International Comfort Products, Nashville, TN; attn: John Mott, 800-315-4370; john.mott@mottpr.com (e-mail); www.heil-hvac.com.

eProduct #241

International Comfort Products

Model: ICP commercial CHE Series heat pump

Footprint (in inches): 325¼8 to 405¼8 (h) by 24 to 27 (w) by 26 to 28 (d).

Serviceability features: Access panels offer easy service. Service valves are on all models with 31¼2-in. stubs and fan motor inline disconnect plug. Externally mounted gauge ports provide easy access for maintenance and allow for more accurate reading of operating conditions while servicing.

Technical support: Technical service advisor on staff at local distributor is available for technical assistance, troubleshooting.

Noise-reduction features: The units are built with scroll compressors for quiet operation. All models include suction line accumulators regardless of the system refrigerant charge or unit capacity. The accumulators smooth out refrigerant management during mild ambient conditions and the transitions during defrost operation to eliminate sounds associated with the scroll compressors pumping liquid refrigerant.

Humidity-control features: Matching this split-system heat pump with a variable-speed air handler provides humidity control.

Additional features: This is the first 12-SEER, three-phase split-system ICP commercial heat pump. It comes in 208/230, 460, and 575 three-phase voltages. The top-discharge design has a corrosion-resistant grille. High- and low-pressure switches provide compressor protection for extreme cooling operating conditions. Pressure-operated fan-cycling device offers 0?F low ambient control. Copper tube and aluminum fin coils improve heat transfer.

Contact: International Comfort Products, Nashville, TN; attn: John Mott, 800-315-4370; john.mott@mottpr.com (e-mail); www.icpcommercial.com.

eProduct #242

Mammoth

Model: High-efficiency water-source heat pumps

Footprint (in inches): 20.75 by 16 to 35 by 49.5.

Serviceability features: Factory-run testing with water; multiple removable panels; small footprint for ease of access.

Noise-reduction features: Sound attenuation package.

Humidity-control features: Hot gas reheat and hot gas bypass.

Additional features: Small footprint reduces installation time on replacement/renovation projects; numerous factory-installed options; and optional factory-mounted ddc.

Contact: Mammoth Inc., Chaska, MN; attn: Patty Hegre, 952-361-2711; phegre@mammoth-inc.com (e-mail); www.mammoth-inc .com (website).

eProduct #243

Marvair

Model: Classic 12 heat pump, Model HVP

Footprint (in inches): Manufacturer did not specify.

Serviceability features: Filter access and primary service access are from the front. Some components require access to the sides.

Technical support: Service dispatch is available 24 hrs/day, seven days/ week. Technical and installation help is available Monday through Friday, 8 a.m. to 5 p.m. EST.

Noise-reduction features: Draw-through condenser, scroll compressor, and slow-speed evaporator blowers make the Classic 12 one of the quietest wall mounts on the market, says the manufacturer.

Humidity-control features: Optional “GreenWheel,” a total energy recovery wheel and optional hot gas reheat coil.

Additional features: Independent lab listed, tested to ARI Standard 210/240; 12 SEER; ability to duct conditioned air (able to move air against a static of 0.5 IWG); quiet operation; full range of ventilation options.

Contact: Marvair, Atlanta, GA; attn: David Shuford, 770-734-9696; dshuford@airxcel.com (e-mail); www.marvair.com (website).

eProduct #244

Reznor/Thomas & Betts

Model: Reznor CAUA packaged heating system.

Footprint (in inches): 36 by 36 or 48 by 48, depending on Btuh output.

Serviceability features: Easy access through door panels.

Technical support: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: Manufacturer did not specify.

Additional features: Model CAUA replaces “twinned” unit heaters. It can be used in applications that call for 100% return air, makeup air, and/or separated combustion. It can also be equipped to serve as an air turnover system.

Contact: Reznor/Thomas & Betts, Memphis, TN; 800-695-1901; hvacadmin@tnb.com (e-mail); www.ReznorOnLine.com (website).

eProduct #245

Reznor/Thomas & Betts

Model: Reznor EGE electric unit heater

Footprint (in inches): Suspended unit heater.

Serviceability features: Easy access.

Technical support: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: Manufacturer did not specify.

Additional features: Model EGE has internal contactors. Motors are mounted outside the element bundle. Larger sizes and explosion-resistant electric unit heaters are also available.

Contact: Reznor/Thomas & Betts, Memphis, TN; 800-695-1901; hvacadmin@tnb.com (e-mail); www.ReznorOnLine.com (website).

eProduct #246

Reznor/Thomas & Betts

Model: Reznor WS hydronic unit heater

Footprint (in inches): Suspended heater can be mounted vertically or horizontally.

Serviceability features: Easy-to-clean fins. Minimum of moving parts.

Technical support: Manufacturer did not specify.

Noise-reduction features: Fan and fan guard are mounted to the cabinet with molded antivibration mountings. The cabinet is held together with “shake-proof” screws and molded corner sections.

Humidity-control features: Manufacturer did not specify.

Additional features: This attractive hydronic unit heater can be mounted vertically or horizontally and fueled by a steam or hot water boiler. Model WS can also be used with high-pressure hot water or steam, up to 145 psi.

Contact: Reznor/Thomas & Betts, Memphis, TN; 800-695-1901; hvacadmin@tnb.com (e-mail); www.ReznorOnLine.com (website).

eProduct #247

Rheem

Model: RKKB standard-efficiency gas heat/electric cooling package unit

Footprint: 58 sq ft.

Serviceability features: Hinged access panels for convenience. Large control panel with numbered and color-coded wiring for troubleshooting. Front access, slide-out blower assembly for maintenance. Convertible airflow for flexibility. Externally mounted refrigerant gauge ports.

Technical support: Available by calling 501-648-4900, 8 a.m. to 5 p.m.

Noise-reduction features: Manufacturer did not specify.

Humidity-control features: Two-stage cooling.

Additional features: Compact cabinet designed for rooftop mounting in the downflow duct configuration or slab mounting with integral side-flow duct connections. Furnace heating efficiency of 81% is maintained on the first stage of heating. Power entry through the side or base panels.

Contact: Rheem Manufacturing Co., Fort Smith, AR; attn: National Service Technicians, 501-648-4900; www.rheemac.com (website).

eProduct #248

Trane

Model: Trane Precedent

Footprint (in inches): 44 by 70 and 53 by 881¼2.

Serviceability features: Single side service access, patented hybrid condenser coil design for cleaning, removable condensate drain pan, foil-faced insulation, unit microprocessor controls, and colored and numbered unit wiring.

Technical support: Contact your local Trane distributor.

Noise-reduction features: Not required.

Humidity-control features: Not required.

Additional features: Designed to serve the changing needs of contractors. Unique exterior cabinet design.

Contact: The Trane Company, Clarksville, TN; attn: Jim Wallin; 931-648-5124; jim.wallin@trane.com (e-mail).

eProduct #249

Williams Furnace Co.

Model: Williams cased vertical fancoil unit

Footprint (in inches): Manufacturer did not specify.

Serviceability features: May be installed upflow, downflow, or horizontally. Optional flow-control pump for water heater applications.

Technical support: Available.

Noise-reduction features: Features a direct-drive centrifugal blower with three-speed 115-1-60 motor for quiet operation

Humidity-control features: Manufacturer did not specify.

Additional features: Compatible with all properly sized water heaters and boilers. Optional return air duct collar available.

Contact: Williams Furnace Co., Colton, CA; attn: Ruth Ann Davis, 909-825-0993; www.williamscomfortprod.com (website).

eProduct #250