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What is a packaged rooftop unit?
A packaged rooftop unit is a complete AC system in which all components are housed in the same heavy duty steel cabinet. The system does not encroach on the living area. It instead serves the area through ductwork.
Our commercial packaged units are designed to meet diverse power requirements, offering models available in both 208/230V and 460V configurations. This flexibility ensures compatibility with various electrical systems, accommodating the needs of different commercial environments. Whether you're outfitting a small office or a large industrial facility, our units provide reliable performance and efficient operation, tailored to your specific voltage requirements. These units come in single or 3 phase.
HVACDirect.com's residential packaged units come in 208/230v single phase electrical configuration.
How does a packaged unit work?
A packaged unit works in the same way as a central air system. Warm air is absorbed by coils containing pressurized refrigerant (which is hot, not cold). The air is exhausted to the outside and replaced by much colder air. The system does not produce cold air; it allows cold air to occupy the space previously occupied by warm air. This process can take place in components that reside inside, outside, or in the case of a packaged system, completely within the steel cabinet outside.
How does Commercial HVAC differ from Residential HVAC?
Size
Commercial HVAC systems need to ventilate and condition air in much larger structures than residential systems. The components, such as the blowers and condenser fans, are all more powerful to heat and cool larger spaces.
Zones
Commercial HVAC systems allow for diverse indoor climates to coexist in one building. This gives each area independence from the other ares for complete customization.
Ventilation
Commercial HVAC systems typically have much more complicated ventilation systems since they have to condition air in a much larger space. Also, commercial buildings commonly include such special requirements for restaurants, fitness centers, or other facilities that require strrong ventilation to provide acceptable climates.
The Differences Between AC, Gas Packaged, Dual Fuel, and Heat Pump
When you only need AC, whether you’re in a southern climate or already have a heat source.
Provides both heating and cooling, perfect for areas with cold winters and hot summers.
Extremely efficient heating and cooling, best for temperate regions.
Combination heat pump and gas furnace for superior energy efficiency.
How do you size a residential or commercial system?
Calculate the square footage of the area to be cooled. Figure out if the office space will be divided into zones that cooled by separate air conditioning units. Keep these measurements separate.
Next, divide the square footage obtained for each area by 500.
Then, multiply the number by 12,000. This will give you the base BTU's required to cool the area.
Now, add 380 for each person who works in that particular area.
For each window, add 1,000.
For each kitchen, add 1,200. The number gained from steps 1 to 4 represent the minimum BTUs that the air conditioning unit should provide. To see what tonnage is needed, divide the number by 12,000.
Once all of the items have been added up, divide by 12,000. This will provide the estimated required tonnage to cool the commercial space.
Note: This formula calculated above is based on a ceiling height of 8ft. This calculation gives an idea of what is needed but it is always recommended to reach out to one of our professionals so we can account for things that the formula cannot.
Residential Packaged Units
2-5 Ton Options Available In Stock & Ready to Ship
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Commercial Packaged Units
3-25 Ton Options Available In Stock & Ready to Ship
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Residential Packaged AC & Furnace Units
2-5 Ton Options Available In Stock & Ready to Ship
Reach out to our experts
877-xxx-xxxx
Featured Brands:
Commercial Packaged AC & Furnace Units
3-25 Ton Options Available In Stock & Ready to Ship
Reach out to our experts
877-799-0339
Featured Brands:
Economizers
Economizers are intelligent devices designed to enhance energy efficiency by utilizing outdoor air for cooling purposes when conditions permit. They monitor ambient temperatures and adjust airflow accordingly, minimizing the need for mechanical cooling during favorable weather conditions. This not only reduces operational costs but also lowers the environmental impact of HVAC systems by conserving energy.
Curbs
Curbs serve as foundational platforms that elevate HVAC units above the roofline, providing stability and protection from weather elements. They are essential for ensuring proper airflow and drainage, thereby optimizing the unit's performance and longevity. Curbs are typically customized to fit specific unit sizes and roof types, ensuring a secure and compliant installation.
Curb Adapters
Curb adapters are particularly noteworthy for their adaptability. They facilitate the seamless integration of HVAC units onto existing curbs, allowing for swift upgrades or replacements without the need for extensive modifications to the building structure. This flexibility reduces installation time and costs while ensuring compatibility between different unit brands and sizes
Our commitment to providing custom curb adapters with rapid shipping times underscores our dedication to customer satisfaction and operational efficiency. Whether transitioning from one brand to another or upgrading an aging HVAC system, our adapters are engineered to exact specifications, ensuring a perfect fit and optimal performance.
Check out our custom curb adapter buying guide that will allow you to know exactly what you'll need to make the transition from one unit to answer a smooth process.
FAQs
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A residential packaged unit is a single HVAC system that includes all key components—such as the compressor, condenser, and evaporator—in a single outdoor unit. It can provide both heating and cooling for homes in a compact design.
Packaged units have lll components in one unit installed outside, with ducts carrying air to and from the living space. When it comes to split systems, components are split between an indoor unit (air handler or furnace) and an outdoor unit (condenser or heat pump), connected by refrigerant lines.
It's recommended to have a professional HVAC technician inspect and service the unit annually. This ensures optimal performance, efficiency, and longevity of the system.
The size (capacity) of the unit depends on factors such as the size of your home, climate zone, insulation, and number of windows. An HVACDirect.com professional can perform calculations to determine the correct size.
Homeowners can help maintain their unit by regularly cleaning or replacing air filters, keeping the area around the outdoor unit clear of debris, and checking for any signs of damage or wear. However, more complex maintenance tasks should be left to professionals.
Choosing the right size involves calculating the heating and cooling load of your building. Factors like square footage, insulation, occupancy, and equipment heat gain should be considered. Consulting with an HVACDirect.com professional is recommended for accurate sizing.
Regular maintenance is crucial for optimal performance. This includes changing air filters, inspecting ductwork, cleaning coils, and checking refrigerant levels. Professional maintenance at least twice a year is recommended.
Modern packaged units are designed for energy efficiency, often featuring high SEER (Seasonal Energy Efficiency Ratio) ratings for cooling units and AFUE (Annual Fuel Utilization Efficiency) ratings for heating units. Energy-efficient models can significantly reduce operational costs.
Preparing for the delivery of a commercial packaged unit ensures a smooth and efficient installation process. Here’s what you need to consider:
Commercial gas packaged units integrate heating, cooling, and often ventilation components into a single, compact unit. Unlike split systems that separate components between indoor and outdoor units, gas packaged units are self-contained, typically installed on rooftops or ground-level pads for space efficiency.
Commercial gas packaged units offer several advantages, including simplified installation, reduced maintenance requirements, and efficient operation. They are ideal for commercial buildings where space is limited or rooftop access is preferred, providing reliable heating and cooling using natural gas or propane.
The heating function of a commercial gas packaged unit utilizes a gas-fired burner and heat exchanger. When the thermostat calls for heat, the burner ignites, heating the heat exchanger. Air from the building passes over the heated exchanger, warming it before circulating through ductwork into the indoor spaces.
Yes, we offer energy-efficient models of commercial gas packaged units with high Annual Fuel Utilization Efficiency (AFUE) ratings for heating and Seasonal Energy Efficiency Ratio (SEER) ratings for cooling. Choosing a unit with high efficiency can help reduce energy consumption and operating costs over time, benefiting both the environment and your budget.
Commercial rooftop packaged air conditioning units are commonly used in various applications such as office buildings, retail spaces, schools, hospitals, and industrial facilities. They provide efficient heating and cooling solutions while saving indoor space and reducing noise levels.
The lifespan of rooftop packaged units can vary depending on factors like usage, maintenance, and environmental conditions. On average, these units can last between 15 to 20 years with regular maintenance and proper care. Replacing outdated units with newer, more efficient models can also improve energy savings and performance.
Yes, installing rooftop packaged units involves considerations such as roof load capacity, structural integrity, accessibility for maintenance, and compliance with local building codes. Professional installation by certified technicians ensures safety, efficiency, and compliance with manufacturer warranties.
Rooftop packaged units offer several benefits, including space savings within the building, easier installation compared to split systems, and centralized maintenance access. They are ideal for commercial buildings where ground space is limited and provide efficient heating and cooling solutions throughout the facility.
Regular maintenance is essential to ensure optimal performance and longevity of rooftop packaged heat pumps. This includes routine inspections, filter changes, coil cleaning, checking refrigerant levels, and ensuring all components are operating efficiently. Professional HVAC service providers can offer maintenance plans tailored to the specific needs of rooftop units.
When selecting a commercial rooftop packaged heat pump, factors to consider include the size of the building, climate conditions, energy efficiency ratings (SEER and EER), available space for installation on the rooftop, noise considerations, and the specific heating and cooling demands of the commercial space.
Yes, commercial rooftop packaged heat pumps are often suitable for retrofitting existing buildings, especially those with accessible rooftops. Their modular design and flexible installation options make them adaptable to various retrofit scenarios, providing efficient heating and cooling solutions without major structural modifications.
Installing heat pumps on the rooftop offers several advantages, including freeing up valuable indoor space for other purposes, reducing noise levels inside the building, facilitating easier maintenance access, and enhancing overall building aesthetics by keeping equipment out of sight.
Rooftop packaged heat pumps are suitable for various commercial buildings, including offices, retail spaces, schools, and healthcare facilities. They are particularly beneficial in buildings where space constraints or aesthetic considerations make rooftop installation preferable over ground-level units.
Installing a commercial rooftop packaged heat pump offers several advantages, including space efficiency, reduced operational noise inside the building, enhanced energy efficiency, and the ability to provide both heating and cooling from a single unit. These systems are also easier to access for maintenance and repairs.
208/230V Single Phase: This refers to units that operate on a single alternating current (AC) phase. Voltage can vary slightly depending on conditions, but generally ranges between 208V to 230V. These units are common in residential and light commercial applications where three-phase power is not available or necessary.
208/230V 3 Phase: These units utilize three phases of alternating current. They typically operate at a higher voltage range of 208V to 230V per phase, making them suitable for larger commercial and industrial HVAC systems. Three-phase power provides smoother operation, better efficiency, and the ability to handle larger loads compared to single-phase systems.
This designation refers to HVAC units that operate on three phases of alternating current at a higher voltage of around 460V per phase. Such systems are primarily used in industrial applications and large commercial buildings where high-power requirements necessitate a higher voltage supply. 460V 3-phase systems are capable of handling significant loads efficiently and are often employed in air conditioning systems for large office complexes, factories, and data centers.
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