Bowtie8 Engineering Logo
what is hvac

HVAC System: what is it and how is it used?

HVAC definition

Bowtie Engineering frequently employs the abbreviation HVAC, and HVAC management is one of our major services. What exactly is it, though? Let’s go through all of the details to make sure we’ve covered everything.
HVAC is the abbreviation for heating, ventilation, and air conditioning. This mechanism ensures that homes and businesses are kept at an optimal temperature. HVAC systems may be found in single-family residences to submarines, where they serve as a means of providing environmental comfort.
These systems, which are becoming increasingly popular in new construction, use outside air to provide high indoor air quality. The V in HVAC stands for ventilation, which is the procedure of replacing or swapping air within a space.
It also reduces the indoor air’s carbon dioxide level, which promotes respiratory health. It involves the removal of moisture, smoke, odors, heat, dust, airborne germs, carbon dioxide, and other gases as well as temperature control and oxygen replenishment to provide a higher quality of air indoors.

What does an HVAC system include?

Since we now know that HVAC stands for heating, ventilation, and air conditioning, we can infer that those are the three most essential components in the system.
A heating element is a furnace or boiler, as the term is more commonly used. It might be a pipe system for heat delivery or ductwork in the case of a forced air system.
A natural or forced air supply is required for the ventilation element, which is generally used for air cleaning as well.
The third and last component of an HVAC system is air conditioning, which is the polar opposite of heating. Its main purpose is to remove the existing heat from inside a building.

How does HVAC function

The three essential functions of an HVAC system are linked, particularly when it comes to providing acceptable indoor air quality and thermal comfort. If your heating and air conditioning system breaks down, you’ll know right away!
There are nine components of your HVAC system to understand, including the air return, filter, exhaust outlets, ducts, electrical components, outdoor unit, compressor, blowers, and coils. Let’s go through each of them one by one to ensure you understand it.

  • Air Return: The air return, often known as the intake or inlet, is the first component within your HVAC system that signals the beginning of a ventilation cycle. This return draws air into it and passes it through a filter before returning it to the main system. Remember to keep an eye on your returns; debris and dust can quickly accumulate on them if you don’t.
  • Filter: The second component of the air return is your filter, which draws air through it. Make sure to change your filters on a regular basis to ensure that your system is in peak operating condition.
  • Exhaust Outlets: The exhaust outlets are another component of your HVAC system, where the heated exhaust is released. If you check your chimney flue or vent stack once a year, you’ll be able to detect any problems before they become serious. If necessary, adjust it.
  • Ducts: The ducts are the pathways through which heated or cooled air travels. In order to maintain everything in operation, have your ducts cleaned every 2 to 5 years.
  • Electrical Elements: This component of your HVAC system might be more difficult, but problems generally begin here first. Check for a tripped breaker or lifeless batteries in your thermostat if something isn’t operating correctly. When dealing with your HVAC unit, remember HVAC electrical safety rules to prevent accidents and injuries.
  • Outdoor Unit: This is the part of your HVAC system that comes to mind when someone says it. The fan in the outdoor unit circulates air through the ductwork. If plants are sucked into your fan, it can lead to significant difficulties, so remember to keep it clear of debris and vegetation.
  • Compressor: The compressor works as part of the outdoor unit, converting refrigerant from a gas to a liquid and delivering it to the coils. Check your compressor if something isn’t operating correctly. It’s a common reason for many HVAC system failures.
  • Blower: The function of this component is to draw in warm air. The more efficiently this air circulates, the more durable your system will be.
  • Coils: This HVAC part is usually designed to cool the air as it goes through, with a little help from the refrigerant. Remember to check your coils once a year: if they freeze, check your filter and/or refrigerant levels.

HVAC vs Air Conditioning

When consulting our clients on HVAC management, we at Bowtie Engineering receive this question a lot. So, what exactly is the distinction between HVAC and air conditioning? Air conditioning is the final component of HVAC, but it is frequently confused with any sort of heating or cooling device in a home. Consider air conditioning as one element of the HVAC larger picture.

What Is the Best HVAC Brand?

Environments like business settings are among the most challenging HVAC deployment situations you can come across. There is a delicate equilibrium to maintain between equipment capability, automation, and a wide range of unique demands in each individual facility.
Adding to this complexity is the increasing need for cleaner and more efficient energy use, which may challenge existing business practices and procedures.
There are several HVAC equipment manufacturers on the U.S. market today, and sourcing your systems and components from anywhere has never been easier. One of the most effective methods to discover the finest alternatives for your specific requirements is to evaluate those from the industry leaders.
Thus, Bowtie provides new OE equipment and components from the biggest OE suppliers in the business, such as Trane, Liebert, MGE, and others.

What are the commercial types of HVAC?

HVAC is a necessary component of any residential, industrial, or commercial building. It maintains the interior environment suitable for people by managing humidity, temperature, and air quality. Split HVAC systems, VRV systems, CAV, and VAV systems are the most common types of commercial air conditioning equipment available.

  • The name “split HVAC system” is derived from the method in which it’s built as well as its components. The system is made up of the following components: an air handler, an outdoor unit, a programmable or non-programmable thermostat, humidity control, or filtration equipment, and ductwork that transports warmed air from the system to the indoor space.
  • The Variable Refrigerant Volume (VRV) system, as the name implies, uses a refrigerant as its heating and cooling element. This is the ideal mechanism for medium or big business locations since it includes a single condenser that may be utilized for many evaporators.
  • The CAV system utilizes a compressor that runs at full power until the desired temperature in the facility is reached. Commercial spaces with constant temperatures for an extended period of time, such as manufacturing and warehouse facilities, are examples of places where this technology would be useful.
  • The Variable Air Volume technique is ideal for rooms with varying heating and cooling requirements. The system’s compressor or fan speed varies with the room’s temperature. The compressor also controls the refrigerant flow to maintain consistent temperatures.

The right HVAC system for your building will be determined by the air conditioning demands. Bowtie can assist you in determining which HVAC system is best for your company and budget.

What is a lifetime of an HVAC system?

You may be wondering how long a new HVAC system will last if you know what it consists of. This relies on the equipment to determine how long the system will endure. If you perform your equipment’s recommended annual maintenance on a regular basis, it will last you for years.

Do you want to update or check your current HVAC system? Perhaps you’re considering replacing it entirely and installing a new one? Bowtie Engineering leases a variety of cooling towers, air-cooled and water-cooled chillers, air handlers, and water-cooled low-temperature equipment. With our nationwide team of qualified professionals, we’ll provide you with all of this alongside HVAC project management, HVAC system maintenance, and other related services.