Residential and Commercial HVAC: Are They Both the Same?
The main function of residential and commercial HVAC systems is to regulate the temperature of the space they are in. Nevertheless, they differ greatly in many ways. This post will deliver you the key differences between residential and commercial HVAC systems as well as the main points about the careers of residential and commercial HVAC technicians.

1. Difference between the two systems
1.1. Location
Residential HVAC systems are frequently found in the backyard or on the side of a house. This allows them to remain out of sight for aesthetic purposes while yet being simple for a technician to reach.
On the other hand, commercial HVAC systems are often installed on the building’s roof. This is done to accommodate their bigger size, avoid noise intrusions, lessen the chance of the unit being tampered with, and give professionals a secure space to work on the system without drawing attention to themselves.
1.2. Size
Compared to residential systems, commercial HVAC systems are noticeably bigger. This is so that they can maintain a considerably bigger area’s temperature than residential units can. Commercial systems have separate thermostats, condenser fans, compressors, evaporators, blowers, and dampers, among other components. Because these systems must meet the demands of various sectors, their respective power requirements also differ significantly.
1.3. Complexity
In addition to size, commercial and residential HVAC systems differ in structure. Commercial systems must be more adjustable depending on the kind of building where they are installed, the number of occupants, and the use of the facility, whether it is intermittent or continuous. The final use of the structure and the goods being produced or sold in the facility are other aspects that affect how sophisticated commercial HVAC systems are. These are the main factors that contribute to commercial systems’ sophisticated mechanisms as opposed to residential units, which use less energy to reduce exhaust.
>> Read more: Common Kinds of Residential Heating and Cooling System
1.4. Manufacturing and installation
When it comes to the installation of commercial vs. residential HVAC systems, there are also some notable variances. Residential systems, for instance, are singular, independent entities that cannot be altered or enlarged. Additionally, split residential HVAC systems have components that are not all located in the same place. They divided their time between indoors and outside.
Commercial HVAC systems, on the other hand, are produced as modular units. The technology enables simple maintenance and updates after installation. This is due to the system’s components being kept in a single cabinet, or “packaged unit.” Additionally, the heating and cooling requirements of any facility can be altered by adding or removing commercial HVAC components.
1.5. Mechanism
The structure in which a business HVAC unit will be put determines its mechanism. While a home unit is produced as a standalone system, a commercial HVAC system is created in modules and installed as such. Since commercial HVAC systems are modular, it is simple to maintain and upgrade because all the pieces are housed together. A domestic HVAC system cannot be altered or enlarged because all the components are divided between the indoors and the outdoors.
1.6. Maintenance requirements
A more complicated system necessitates a deeper understanding of unit upkeep. Home HVAC systems are frequently serviceable by the homeowner or with only a brief visit from an expert.
Commercial systems don’t work like this. To provide the right care for these systems, it is essential to employ a qualified technician who is knowledgeable with the functionality and construction of a unit. This means, of course, that the cost of maintaining a commercial HVAC system will be much higher.
>> Read more: Commercial HVAC System – Operation and Types
2. Career of residential and commercial HVAC
The choice between residential and commercial is frequently a matter of personal preference for HVAC specialists. Commercial HVAC is more technical and collaborative, whereas residential HVAC is more customer-focused and independent. Some of the required abilities are common to both fields, while others are specific to one over the other.
2.1. Residential HVAC technician
- Working condition
Because the residential HVAC systems are located inside or outside the house, the residential HVAC technicians will often work indoors (sometimes in attics and crawl spaces), or along the side of the house, where they are comparatively shielded from the outdoor.
In addition, residential HVAC is a cyclical industry, which means that there is a peak time the demand for the service is extremely high, often in summer and winter. Therefore, HVAC technicians may find them working outside working hours.

- Average salary
Although experts in residential HVAC often earn a little less than those in commercial HVAC, home HVAC frequently offers the chance to increase one’s hourly compensation with commissions on the sale of extra parts or replacements. Experience may not be as important in home HVAC as salesmanship.
- Skills requirement
Compared to commercial competitors, residential HVAC systems are frequently more compact and basic. However, a job in residential HVAC is considerably more likely to involve interacting with customers and calls for good communication skills. In contrast to commercial HVAC, home HVAC experts frequently engage in direct consumer interaction and service contract negotiations.
Starting with residential HVAC work can help one gain the core knowledge required to thrive in the commercial sector as well as experience in some crucial but under-taught areas including customer interactions, billing, scheduling, and team dynamics. An HVAC specialist can stand out in the cutthroat home market with the support of optional credentials and continuing education.
>> Read more: HVAC Career: What Are The Pros And Cons
2.2. Commercial HVAC technician
- Working condition
For commercial HVAC technicians, they often have to work outdoors, even in adverse weather conditions. because the commercial systems are often located on the top of a commercial building.
The working hours of commercial HVAC are usually consistent with those of a traditional business, and it is slightly more stable than residential HVAC. Business HVAC workers frequently work in set shifts even though a commercial facility is watched over constantly.

- Average salary
Commercial HVAC experts typically make a little bit more money than their residential counterparts although commercial projects frequently require more experience. Commercial HVAC companies may also be unionized, which increases entrance barriers while also offering greater pay. Experience is the ultimate income enhancer in commercial HVAC.
- Skills requirement
The size and complexity of commercial HVAC systems are frequently higher than those of residential ones. While two identically sized residential buildings are likely to have similar HVAC requirements, two identically sized commercial properties may have entirely different HVAC requirements (i.e., a convention center versus a warehouse).
As one’s customers will frequently have been coping with HVAC issues for a considerably longer amount of time than in the residential sector, transitioning directly into commercial HVAC might be stressful. Work in commercial HVAC necessitates specific training in certain systems and a commitment to ongoing professional development due to the higher risks and complexity involved.
In general, the need for the HVAC installation and maintenance is increasing. Therefore, the opportunities for this career are very huge. Whether you choose to become a residential or commercial HVAC technician, you need to equip yourself with updated knowledge and skills.
If you are striving for an HVAC certification, take our HVAC practice test right now to prepare for your coming up exam.