Rooftop HVAC units are commonly used in commercial applications to provide heating and/or cooling for smaller buildings. Is a rooftop unit right for your business? In our most recent blog, the HVAC system technicians at Estes Services discuss how rooftop HVAC units work, how they differ from other options, and what their advantages and disadvantages are.
Rooftop HVAC units are usually installed on the roof of a building, though they can also be installed on a slab at ground level. Commercial buildings with flat roofs have ample space atop the structure for installation of HVAC equipment. On the roof, HVAC systems are protected from theft and ground space is conserved.
Rooftop HVAC units are also called packaged units, as all components are packaged together in one cabinet. Inside the cabinet housing are all of the heating and/or cooling system components, depending on the type of system. Because of their environmental exposure, rooftop units are built to withstand sunlight, rain, wind, frost, and other conditions.
Rooftops units are different from split systems, which have separate equipment housed indoors and outdoors. A furnace and/or air handler is installed within the building, while an air conditioner or heat pump is installed outside the building around its perimeter.
Rooftop HVAC units function similarly to other types of heating and cooling equipment, providing efficient comfort to occupants. These systems are connected to the building&#;s ductwork and heat or cool air passing through then distribute conditioned air throughout the interior areas.
There are several reasons Atlanta area business owners choose to install rooftop HVAC units for their facilities, including:
In commercial buildings, square footage is at a premium. Because all HVAC components can be installed atop the building, a rooftop unit frees up the space that would be consumed by indoor equipment if a split system was in use.
Because of their installation location, rooftop HVAC units are largely protected from theft and vandalism. HVAC units installed at ground level are easier to access. Copper theft or vandalism could cost a business valuable production time if the facility is left without heating or cooling.
With all components housed outside of the building, operating noise isn&#;t as noticeable indoors as when a split system is in use. Rooftop systems minimize distraction within the building.
With all components housed together, rooftop HVAC units can be easier for technicians to access. Maintenance and repairs may be made quicker with all parts in one location.
Rooftop HVAC units aren&#;t for everyone. Here are some reasons you may prefer to choose another type of commercial HVAC system:
Rooftop HVAC units are heavy. Their weight can cause damage to a flat roof membrane if installation is botched, leading to leaks and even pooling water, which degrade the roof.
While built to withstand the elements, rooftop units can sustain storm damage due to lightning strikes, high winds, and other weather-related damage. While this damage is possible in split system components installed at ground level, it is more common among rooftop units.
Estes Services helps Atlanta business owners heat and cool their buildings efficiently. Our team installs, repairs, and maintains rooftop HVAC units throughout the city and surrounding areas. If your rooftop system is in need of service or replacement, contact us today! For all of your commercial heating and cooling needs, contact the professional technicians at Estes Services today.
A rooftop air conditioner, also known as a packaged rooftop unit, is a self-contained HVAC system installed on a building&#;s roof. These units differ from split systems in that they combine the condenser and air handler into a single package. They&#;re common in commercial buildings with flat roofs and are rarely installed on homes. This article will explore what rooftop air conditioners are, how they work, and whether one might be the right choice for your property.
A typical rooftop air conditioner consists of several key components:
These components work together to provide efficient cooling (and sometimes heating) for the entire building.
Rooftop AC units operate on the same basic principles as other air conditioning systems. Here&#;s a simplified breakdown of the process:
Some rooftop systems also include heating capabilities, typically using a gas-powered heat exchanger. This dual functionality can be especially beneficial in climates with varying seasonal temperatures.
Rooftop AC units offer several benefits that make them effective for commercial buildings. First, they save space. Large commercial buildings need large AC units to cool them, so placing the unit on the roof frees up valuable outdoor and indoor space.
Rooftop units also help minimize noise inside the building compared to ground-level units, and many have energy-saving features that help lower utility costs. Additionally, many rooftop systems provide an all-in-one cooling and heating solution. HVAC technicians can also service it without coming inside.
While rooftop air conditioners have many advantages, there are several factors building owners and HVAC contractors need to consider before installing one.
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Not all buildings are suitable for rooftop AC installation. The roof must be able to support the weight of the unit, which can be substantial&#;often in the tons. A structural engineer may need to assess the roof&#;s capacity and recommend reinforcements if necessary.
The local climate plays a significant role in determining whether a rooftop AC is a good fit. In areas with heavy snowfall or frequent severe storms, rooftop units may require additional protection or more frequent maintenance.
Installing a rooftop AC system can be more expensive than a traditional split system. However, the long-term energy savings and space benefits may offset this cost for some building owners.
Some businesses may be concerned about the visual impact of a rooftop unit. While modern designs are becoming more sleek and less obtrusive, it&#;s worth considering how the unit will affect your building&#;s appearance.
Installing a rooftop air conditioner is a complex process that experienced HVAC contractors should handle. Here&#;s a general overview of what to expect:
The entire installation process can take anywhere from one to several days, depending on the complexity of the job and any necessary roof modifications.
Proper maintenance extends the longevity and improves the efficiency of a rooftop AC system. While some tasks can be completed as DIY projects, most require professional expertise due to the unit&#;s location and complexity.
Building owners can perform some basic maintenance tasks to keep their rooftop AC running smoothly. First, regularly check for visible damage or debris accumulation around the unit and keep the area around it clear of leaves, branches, and other potential obstructions.
You should also change or clean air filters according to the manufacturer&#;s recommendations. Monitor the system&#;s performance and note any changes in efficiency or unusual noises.
Have a professional HVAC technician perform a thorough inspection and maintenance at least once a year. This service typically includes cleaning and inspecting the condenser and evaporator coils, checking refrigerant levels, and recharging the refrigerant (if necessary).
The technician will also inspect and tighten electrical connections, lubricate moving parts, and check and calibrate the thermostat. Lastly, they will inspect ductwork for leaks or damage and fix any gaps and holes they find.
Rooftop air conditioners can be a versatile and efficient choice, especially for commercial spaces and homes with limited ground space. Their compact design and options for integrated heating make them a practical solution for year-round comfort.
Before installing a rooftop AC unit, weigh the pros and cons and consider factors such as the building&#;s structure, the local climate, and long-term energy costs. With proper installation and maintenance, a rooftop AC system can provide dependable and energy-efficient performance for many years, proving its value as a smart, space-saving HVAC option.
Generally, rooftop AC systems and air handlers refer to the same thing in a commercial building.
Rooftop air conditioning units are a packaged system that cool (and sometimes heat) buildings. They work the same way as residential AC conditioners&#;they just have larger components to cool and heat larger areas.
We recommend hiring a professional to clean and service your rooftop AC unit due to safety concerns.
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