HVAC System Instruction Guide for the Novice

Posted April 11, 2022 by in Home

Heating, Ventilation, and Air Conditioning, commonly referred to as HVAC, is a system used to regulate indoor temperature and improve air quality. Popular types of HVAC include the mini ductless, split system, hybrid, etc. But what differentiates these systems from each other? And with a plethora of options to pick from, how can buyers make the best choice? The discussion in this article will give insights into the different HVACs to help buyers decide on the system that best suits their needs. Each HVAC system is built with unique specifications and sizes to meet the requirement of homes and businesses. Making the right choice is dependent on budget, home size and if the building has ductwork.

outside view of an HVAC system

Kinds of HVAC Systems

Although wall-mounted air conditioners and furnaces can be regarded as HVAC systems. However, the word is frequently associated with modern heating and air conditioning systems that allow the centralization of cooling and heating. As opposed to space heaters that provide uneven heating and window or wall air conditioners that only blow in a particular direction, HVAC systems allow users to experience comfortable heating and cooling experience. The HVAC system is of different types, but the most popular ones are those with heat pumps. Another HVAC system has a furnace and air conditioner together as a unit, this system is advantageous because it doesn’t use much energy and minimize costs.

The Comfortability Offered by Modern Air Conditioning

Basically, the modern business sphere will be non-existent in the absence of air conditioning systems. Without a temperature regulating system, trading will be hard, and in the absence of heating and air conditioning, humans won’t be able to live in areas with extreme weather conditions. What the HVAC technology offers humanity goes beyond luxury. Modern air conditioning has improved businesses and living conditions. Since it was first created, the HVAC system has evolved greatly and this development is expected to continue as newer systems are becoming more energy-efficient and effective in regulating temperature. 

Determining The Size of an Air Conditioner

The size of an HVAC system plays an important role in the level of air quality. If a house is too big for a unit, then the quality of air inside the house can’t be great. And if a big unit is installed in a smaller house, energy is wasted and the unit might go off before the air is able to circulate through the system. A Los Angeles air conditioning repair technician should be consulted for proper guidance on the right unit that will meet the demand of the house and how to install the air conditioner. The amount of heat the house gains also influence the size of the HVAC system, and the technician must determine the heat level inside the house. Factors such as the window or door placement and the amount of direct sunlight the building receives affect the heat level in the living space of a home. Determining the level of heat filtering inside the living space is important for choosing the appropriate energy-saving unit.

Factors to Take into Cognizance when Selecting an HVAC System

Quality of Air and Temperature in the Home 

How the different heating and air conditioning units affect energy use, temperature, and quality of air should be taken into consideration. For instance, HVAC systems with UV light can increase the EPA rating of indoor air quality. Dedicating time to research can help determine the most suitable HVAC system that can help regulate airborne particles and reduce humidity. 


HVAC has witnessed significant changes in the last few years. Thus, some rating systems are used to determine the efficiency of every HVAC. Buyers can check for system ratings, like the Seasonal Energy Efficiency Ratio (SEER). For instance, an efficient unit should have a SEER rating of at least 15. Other rating systems include EER, HSPF, and AFUE. 

Read more: