HVAC
We all want to save money today, the HVAC system is the best way to do it.
What is HVAC?
HVAC – Heating, Ventilation and Air Conditioning. HVAC technology is designed for two main purposes: improve air quality and set a comfortable temperature within a given space. Besides, it is energy and money efficient. It is a very important system in every house.They may take a different form, but many of the fundamental principles determining how they operate, as well as their efficiency, crosses over from the smallest of personal devices right through to the biggest commercial installations.
This system keeps you warm during the winter and cool during the summer.
Heating systems
Heating systems can take a couple of different forms. Some are furnaces that burn material to provide heated air through the ductwork, while another popular choice is boilers that heat water for steam radiators, or forced-water systems with baseboard radiators, electric heat, and heat pumps. A furnace will generally operate on natural gas or propane, while a boiler will use gas or oil to heat the water. Another option is a radiant floor, also known as a hydronic heating system. These use piping under a floor, and are made up of flexible tubes that are filled with water or a glycol solution. These can heat any kind of floor, including concrete, and are an efficient method of providing warmth in a home. They can even be retrofitted into wooden flooring, though they need to be carefully installed in sheathing for wooden floors.
Cooling systems
Air conditioners come in many forms, from the massive boxes designed to cool an entire house to a portable window-mounted box that can be pulled out and used in cooler climates to handle short summers.
Many air conditioners can even be installed by the owner, with ductless mini split systems a popular choice. Installation is still a major project, as the interior and exterior elements of the system need to be properly connected, but they are relatively inexpensive to buy and run. For dryer climates, evaporative coolers are a popular choice. They draw outside air into the system, passing it through water-saturated pads, which cool and moisten the air before pushing it into the living space and displacing the hot air.
How does AC work?
An air conditioning cools and dehumidifies the air as is passes over a chilly coil surface. The indoor coil is an air-to-liquid device with rows of tubes that pass the liquid through the coil. Finned surfaces connected to those tubes increase the general extent of the cold surface thereby increasing the warmth transfer characteristics between the air passing over the coil and liquid passing through the coil. the sort of liquid used depends on the system elite. Direct-expansion (DX) instrumentality uses refrigerant because the liquid medium. Chilled-water (CW) may be used as a liquid medium. once the desired temperature of a calming water system is close to the melting point of water, freeze protection is further within the kind of glycols or salts. notwithstanding the liquid medium used, the liquid is delivered to the cooling coil at a chilly temperature.
In the case of direct growth instrumentality, the air passing over the indoor cooling coil heats the cold liquid refrigerant. Heating the refrigerant causes boiling and transforms the refrigerant from a chilly liquid to a heat gas. This warm gas (or vapor) is pumped up from the cooling coil to the mechanical device through a copper tube (suction line to the compressor) wherever the nice and cozy gas is compressed. In some cases, an accumulator is placed between the cooling coil and the mechanical device to capture unused liquid refrigerant and ensures that solely vapor enters the compressor. The compression method will increase the pressure of the refrigerant vapor and considerably increases the temperature of the vapor. The mechanical device pumps the vapor through another device (outdoor condenser) wherever heat is rejected and the hot gas is condensed to a heat high liquid. This heat high liquid is pumped up through a smaller copper tube (liquid line) to a filter (or filter/dryer) so on to a growth device wherever the high pressure liquid is reduced to a chilly, depression liquid. The cold liquid enters the indoor cooling coil and the method repeats.
As this liquid passes through the indoor cooling coil on the within of the warmth money handler, 2 things happen to the air that passes over the coil’s surface on the skin of the warmth money handler. The air’s temperature is lowered (sensible cooling) and wetness within the air is removed (latent cooling) if the indoor air temperature is beyond the temperature of the coil’s surface. the overall cooling (capacity) of an AC system is that the total of the wise and latent cooling. several factors influence the cooling capability of a DX air conditioning. Total cooling is reciprocally proportional to out of doors temperature. because the out of doors temperature will increase the overall capability is reduced. Airflow over the indoor cooling coil conjointly affects the coil’s capability and is directly proportional to the overall capacity of an AC system. As air flow will increase, the overall capability conjointly will increase. At higher air flow rates the latent capability of the cooling coil is reduced. Indoor temperature and humidness conjointly have an effect on the overall capability of the AC system. As indoor temperatures increase, the wise capability conjointly will increase. Similarly, as indoor ratio will increase the latent capability of the AC system increases. makers of AC instrumentality usually give a “performance map” of specific equipment to indicate how total, sensible, and latent capability amendment with dynamic indoor and out of doors temperatures and humidness. Power consumption and energy potency are provided in these charts.
Our goal is not only to help you reduce your energy bill but also to provide you with a more comfortable environment.
