Archive for March, 2021

Professionals Ensure Reliable Heating and Air Conditioning

March 7th, 2021

Many towns across the US subjects its residents to varying temperature extremities. These conditions require high quality systems. These units must be well kept for reliable heating and air conditioning. A unit under repair leaves the building unbearable. Fans are not effective in areas where temperatures increase above one hundred degrees. Neither are blankets when the temperature gets below freezing. Central air systems have three very important functions. They keep the temperature in a room or building at a comfortable level. Filtering provides better air quality. A reliable unit protects residents from conditions such as heat stroke or frost bite. Air temperature regulation is more than just a convenience. A unit can be a life saver under extreme conditions.

Romans are credited with the development of ventilation systems. They originally used this type of design throughout private homes and public bathing facilities. During this time period, steam was filtered under a pillar raised floor. Air quality was not hindered by using this method. Today the equipment used for heating, cooling, and air ventilation is far more advanced. Air units are placed outside of a home or business. A heating system in most cases is placed within the building. Both connect to air ducts which span throughout the structure. Hot or cold air is circulated through the air ducts until the set thermostat temperature is reached. The unit then kicks off. When the temperate deviates from the desired setting, the system once again begins circulating air. This is continual process only stops when the unit breaks down or is turned off.

Air Conditioning Contractor: What Can They Do to Help?

Frequent use of these systems causes dirt buildup inside the ductwork. If filters are not high enough in quality, this buildup can also reside on internal parts. Cleaning is an essential process for all types of air systems. An air conditioning contractor can perform tasks needed to keep the unit clean. Servicing prevents parts from being bogged down. Ventilation ducts which suffer from this issue can grow mold. Air quality is reduced and becomes a health concern for all inhabitants. Services are available to clean this portion of heating and cooling systems. Contracting professionals check the ductwork as well as the unit for this problem. They clean parts during routine maintenance. Depending on the extent of their services, they may also have the capability of cleaning these other components.

Many individuals are reluctant to employ the services of a contractor. The fear of high repair costs is the most common reason for delaying the inevitable. In reality, a contractor can be the best friend of a homeowner. Most individuals know nothing about their air systems. They are capable of turning them on, changing the filters, and enjoying the provided comfort. Apart from simple operation, a heating or air unit is like a foreign object. This creates problems because a system has to be properly serviced to retain performance. You can benefit from contractor knowledge. Problem identification during servicing, purchasing advice, installation assistance, and dependable maintenance are just a few advantages received through a reliable expert. Homeowners save more when employing their services than by avoiding them.

About Commercial Heating and Air Conditioning

March 7th, 2021

Commercial heating and air conditioning is commonly referred to as HVAC systems, which stands for Heating, Ventilation and Air Conditioning systems. These systems are used for maintaining comfortable temperatures and air quality in homes and large buildings. The main purpose is to make the environment healthy and safe in terms of temperature and humidity. The laws of heat transfer, fluid mechanics and thermodynamics are used for designing.

HVAC systems are aimed at improving air quality, providing ventilation and maintaining pressure. Room air distribution methods are employed for delivering air. The ambient conditions and fresh air requirements must be specified whenever designing an HVAC system.

Heating

The heating systems used in HVAC can be any of the several kinds available. In cold areas, central heating is implemented. The system consists of a furnace, boiler and heat pump. Air control is maintained from a central location like a furnace or mechanical room.

Water is used as a medium for transferring heat. Pipes and ducts serve as passage for the heated fluid which is transferred to rooms through radiators. Radiators may be wall mounted or fixed under the floor.

The pump circulates water and ensures an equal supply of heat to all locations. If the weather is warm, the same pipes and ducts are used for cooling. The heating process may also be achieved through resistive heating. An electric current is used for heating conductive filaments.

There are a few considerations which should be kept in mind. Heat pumps are efficient but more expensive. They should be used in moderate climates only. Radiators should be situated near windows or in the colder parts of the building. Harmful gases are formed if the heating system is not working correctly. This is why proper ventilation is a must for every commercial heating and air conditioning system.

Ventilation

Ventilation is classified as mechanical or forced and natural. In the former kind, an air handler is used to control the air quality through dilution of inside air or substituting it with fresh air. Mechanical or forced ventilation is not energy efficient in humid regions.

In these areas, exhausts, direct drive fans are used for controlling air quality and humidity as well. In cold areas, ceiling fans can also be utilized to achieve ventilation. They circulate the warm air in the upper portion through the entire room.

Natural ventilation does not use any mechanical equipment. It ventilates a room with open windows, vents or openings in the wall. It works well only in small areas but is still widely used due to economical prices and no energy consumption.

Air Conditioning

Air conditioning systems remove heat from a room using radiation, convection and even heat pumps. The process is termed as the refrigeration cycle. The systems are designed not only to cool the area but also to ventilate it and control air humidity. Sophisticated designs employ a reversing valve which automatically switches between heating and cooling a room depending on the outside climate.

There are central cooling systems but they can be installed only when a building is being constructed. Retrofitting them in an already built structure is difficult because the ducts are very large. In such cases separate coils for indoors and outdoors can be used. The two units are connected through pipes, providing a passage for the refrigerant.

Dehumidification is important in air conditioning systems. Evaporators or open chiller cabinets are used for the purpose. Basements serve as good locations because water density is higher in the air at lower levels and temperatures. Filtering is also necessary for removing particle sand gases, which can be dangerous. The filtering and condenser coils must be cleaned regularly because the dirt built – up can damage the compressor.