Carrier Weathermaker – 48A Commercial Rooftop Units

  • 48A2 – CV/SAV, Vertical
  • 48A3 – VAV, Vertical
  • 48A4 – CV/SAV, Horizontal
  • 48A5 – VAV, Horizontal
    Carrier A Series Rooftop products are pre-wired and charged with refrigerant and tested in both cooling and heating modes at the factory. All models feature an industrial grade cabinet with fully hinged access panels. Superior supply fan performance with up to 3.5 in. external static pressure is standard.
    Units are available in Constant Volume (CV), Staged Air Volume (SAV), or Variable Air Volume (VAV) applications. A wide variety of gas options are available. Units come standard with ComfortLink™ control and Scroll compressors on dual independent TXV controlled refrigeration circuits.
  • 20 to 60 Nominal Tons

Performance Features

  • High-efficiency scroll compressors (digital compressor available)
  • Two-stage cooling on Constant Volume and Staged Air Volume units, with multiple adaptive demand control for up to 5 stages of cooling capacity
  • Cooling operation range up to 120° F ambient and down to 35° F ambient
  • ComfortLink™ control includes: easy to use scrolling marquee display, service diagnostics, run test capabilities, demand limit capability, compressor reverse rotation protection, and BACnet communication option.
  • California Energy Commission Title 24 Compliant
  • Meet or exceed the EER requirements of ASHRAE Standard 90.1, rated in accordance with ARI Standard 340/360
  • Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada

Maintenance Features

  • Large hinged service access doors
  • On-board diagnostics include refrigerant pressure sensors
  • Double wall design available

Installation Features

  • Shipped with R-410A refrigerant charge
  • Single point electrical service entry, thru unit bottom or side
  • Lifting lugs

Reliability Features

  • Dual electrically and mechanically independent refrigeration circuits with coil frost protection, liquid line filter driers, and crankcase heaters standard on all models
  • Compressor protection includes high and low pressure transducers with safety cutouts
  • Circuit breaker protection for all power components
  • Cabinet made of pre-painted, galvanized steel with baked enamel finish, which meets ASTM B117 salt spray resistance
  • Condenser-fan motors are totally enclosed, with internal protection
  • Direct spark ignition, Alumagard Coated Turbo-tubular heat exchangers, and induced draft combination provide for safety and reliability
  • Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas valves with redundant 100% shutoff

Standard Limited Warranty

  • One year parts only on all other parts
  • 3-years parts only on Novation™ condenser coil
  • 5-years non pro-rated warranty on heat exchanger

Carrier Weathermaker 48A Commercial Rooftop Units: Your Reliable HVAC Solution in Toronto

Discover the unparalleled performance and reliability of the Carrier Weathermaker 48A Commercial Rooftop Units, available at Cozy Comfort Plus. Serving Toronto, North York, and the entire Greater Toronto Area (GTA), we provide top-tier installation, repair, and consultation services as your authorized Carrier dealer. These units are engineered to meet the most demanding commercial HVAC needs, ensuring optimal indoor climate control with high-efficiency scroll compressors and advanced ComfortLink™ controls.

Features and Benefits: Performance Meets Efficiency

The Carrier Weathermaker 48A units come equipped with high-efficiency scroll compressors, offering two-stage cooling for maximum energy savings. These units can operate in a cooling range from 35° F to 120° F, adapting to diverse climate conditions. The ComfortLink™ control system, with its intuitive scrolling marquee display and service diagnostics, ensures seamless operation and maintenance. All units comply with California Energy Commission Title 24 and meet ASHRAE Standard 90.1 efficiency requirements, making them a smart choice for businesses looking to reduce energy costs.

Advanced Technology and Brand Uniqueness

Carrier is synonymous with innovation in the HVAC industry. The 48A series is a testament to this, featuring dual independent refrigeration circuits for enhanced reliability and safety. With a cabinet made from pre-painted, galvanized steel, these units are built to withstand the harshest environmental conditions. The integrated gas unit controller (IGC) further ensures dependable performance, offering system evaluation and troubleshooting capabilities.

Installation and Repair Services Across North York, Toronto, and the GTA

At Cozy Comfort Plus, we are committed to delivering exceptional HVAC services. Our licensed technicians offer professional installation and repair services for the Carrier Weathermaker 48A units. Located conveniently in North York, we invite you to visit our showroom for live demos and product consultations. Whether you need a quick repair or a comprehensive installation, our team is ready to assist, ensuring your commercial space remains comfortable year-round.

Looking for a Carrier Weathermaker 48A Commercial Rooftop Unit in Toronto? Contact us today to request a quote or inquire about available rebate programs like the Greener Homes Grant and Home Renovation Savings Program. Rest assured, our team is here to guide you through the process without promising specific rebate amounts, ensuring a smooth experience from start to finish.

What are the installation requirements for the Carrier Weathermaker 48A units?

The Carrier Weathermaker 48A units are designed for seamless installation with features like single-point electrical service entry and lifting lugs. Cozy Comfort Plus technicians will handle all aspects of installation, ensuring compliance with local codes and standards.

How long is the lifespan of a Carrier Weathermaker 48A unit?

With proper maintenance and care, Carrier Weathermaker 48A units can have a lifespan of 15-20 years. Regular tune-ups and inspections by our Cozy Comfort Plus technicians can help extend the life of your unit.

What are the benefits of choosing Carrier Weathermaker 48A over other units?

The Carrier Weathermaker 48A offers superior efficiency, reliability, and advanced controls compared to many alternatives. Its compliance with energy standards and robust build quality make it an excellent investment for commercial spaces.

Can I see a demo of the Carrier Weathermaker 48A unit in your showroom?

Yes, Cozy Comfort Plus offers live demos and consultations at our North York showroom. Our experts will provide a comprehensive overview of the unit’s features and benefits, helping you make an informed decision.

Are there any rebates available for purchasing a Carrier Weathermaker 48A unit?

While specific rebate amounts cannot be guaranteed, we assist clients with navigating programs like the Greener Homes Grant and Home Renovation Savings Program. Contact us for more information on potential savings.

What maintenance services do you offer for the Carrier Weathermaker 48A units?

Cozy Comfort Plus provides a full range of maintenance services, including regular tune-ups, repairs, and troubleshooting to ensure your Carrier Weathermaker 48A unit operates at peak performance.

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Factory-Installed Options

  • Gas Heat Options
    • Low gas heat – aluminized
    • High gas heat – aluminized
    • Low gas heat – stainless steel
    • High gas heat – stainless steel
    • Multi-Staged gas heat – low – stainless steel
    • Multi-Staged gas heat – high – stainless steel
  • Indoor Air Quality
    • 2-inch filters
    • 4-inch filters
    • Return air CO2 sensor
  • Economizer
    • Manual outside air self-closing damper
    • Modulating integrated ultra-low leak economizer
  • Exhaust Air Control
    • Barometric relief (vertical units only)
    • Non-modulating power exhaust (CV/SAV vertical units only)
    • Modulating power exhaust and static sensor (vertical units only)
  • Condenser and Evaporator Coils
    • Al/Cu condenser & evaporator
    • Al/Cu Pre-coat condenser & Al/Cu evaporator
    • Al/Cu E-coat condenser & Al/Cu evaporator
    • Cu/Cu condenser & Al/Cu evaporator
    • All-aluminum Novation condenser and Al/Cu evaporator
    • E-coat all-aluminum Novation condenser and Al/Cu evaporator
    • Digital Compressor
    • Hot gas bypass
    • Galvanized drain pan
    • Stainless drain pan
  • Controls
    • Controls option board
    • Return air CO2 sensor
    • Return air smoke detector
    • Filter switch
    • BACnet communication
  • Power Circuit
    • GFI convenience outlet (powered)
    • GFI convenience outlet (not powered)
    • Power terminal block
    • Non-fused disconnect
  • Indoor Motor Options
    • Low HP, high efficiency
    • Medium HP, high efficiency
    • High HP, high efficiency

Field-Installed Accessories

  • Gas Heat Options
    • LP conversion kit
  • Indoor Air Quality
    • Return air CO2 sensor
    • CO2 space sensor
    • CO2 aspirator box
  • Economizer
    • Outdoor or return humidity sensor (enthalpy)
    • Exhaust Air Control
    • Barometric relief
    • Non-modulating power exhaust
    • Modulating power exhaust and static sensor
    • High capacity modulating power exhaust and static sensor
    • Supply and building pressure control board
    • Build pressure control sensor
  • Condenser and Evaporator Coils
    • Condenser coil hail guard assembly
  • Controls
    • Controls option board
    • Enhanced display
    • Navigator™ display
    • Return air CO2 sensor
    • Smoke detector
    • Filter switch
    • Fan status switch (requires options board)
    • T55 temperature sensor
    • T56 temperature sensor
    • T58 temperature sensor
    • Space temperature sensor with CO2 override
    • Space temperature sensor setpoint and CO2 override
    • Remote enhanced display
    • Thermostats (Debonair®)
    • Thermostats (Slimline)
    • Thermostats (Corporate)
    • BACnet Communication module
    • MODBUS Carrier translator
    • LonWorks Carrier translator
  • Miscellaneous Options
    • Roof curb adapter kit
    • 14-inch roof curb
    • Low ambient control (Motormaster® V )

Data

Size Nominal Capacity (Tons) Standard Airflow (Cfm) Gross Cooling (Btuh) Heating Capacity (Btuh) Weight* (lbs) Dimensions* (ft-in)
Low High Length Width Height
020 20 8000 255000 283500 425250 3825 13′-9″ 7′-10″ 6′-1-1/8″
025 25 10000 300000 283500 425250 3961 13′-9″ 7′-10″ 6′-1-1/8″
027 27 11000 314700 283500 425250 3961 13′-9″ 7′-10″ 6′-1-1/8″
030 30 12000 343800 283500 425250 3992 13′-9″ 7′-10″ 6′-1-1/8″
035 35 14000 410000 283500 648500 4340 13′-9″ 7′-10″ 6′-1-1/8″
040 40 16000 484700 324000 648500 4770 17′-11″ 7′-10″ 6′-1-1/8″
050 50 20000 589900 324000 648500 4914 17′-11″ 7′-10″ 6′-1-1/8″
060 60 24000 689000 628560 931200 7066 25′-11″ 7′-10″ 6′-1-1/8″