Best AC & Heating Pros for heating companies Burlington, NC. Call +1 919-929-9886. 24 Hour Calls. Guaranteed Services – Low Prices.

Contact Us

Boer Brothers Heating & Cooling

104 R NC Hwy 54 West #333 Carrboro, NC 27510

Telephone

1 919-929-9886

Hours

Mon-Fri : 8am-7pm

Sat-Sun : 9am-5pm

Space pressure can be either favorable or negative with regard to outside the room. Favorable pressure occurs when there is more air being supplied than tired, and prevails to reduce the infiltration of outdoors pollutants. Natural ventilation is an essential consider minimizing the spread of air-borne diseases such as tuberculosis, the acute rhinitis, influenza and meningitis. Natural ventilation needs little upkeep and is affordable. An a/c system, or a standalone air conditioner, provides cooling and humidity control for all or part of a structure. Air conditioned structures often have sealed windows, due to the fact that open windows would work versus the system planned to maintain continuous indoor air conditions. The percentage of return air comprised of fresh air can typically be manipulated by changing the opening of this vent. Typical fresh air consumption is about 10%. [] Cooling and refrigeration are supplied through the removal of heat. Heat can be removed through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants. It is important that the a/c horsepower is sufficient for the area being cooled. Underpowered air conditioning system will lead to power wastage and ineffective use. Appropriate horse power is needed for any air conditioner set up. The refrigeration cycle utilizes four important elements to cool. The system refrigerant begins its cycle in a gaseous state. From there it gets in a heat exchanger (in some cases called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid stage. An (also called metering device) manages the refrigerant liquid to flow at the proper rate. The liquid refrigerant is returned to another heat exchanger where it is permitted to evaporate, hence the heat exchanger is typically called an evaporating coil or evaporator. At the same time, heat is taken in from inside and moved outdoors, leading to cooling of the structure. In variable climates, the system might consist of a reversing valve that changes from heating in winter to cooling in summertime. By reversing the circulation of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa. Free cooling systems can have extremely high performances, and are in some cases combined with seasonal thermal energy storage so that the cold of winter season can be utilized for summer season a/c. Common storage mediums are deep aquifers or a natural underground rock mass accessed through a cluster of small-diameter, heat-exchanger-equipped boreholes. The heatpump is added-in since the storage acts as a heat sink when the system is in cooling (as opposed to charging) mode, causing the temperature to slowly increase throughout the cooling season. Some systems consist of an “economizer mode”, which is in some cases called a “free-cooling mode”. When saving money, the control system will open (fully or partially) the outdoors air damper and close (completely or partly) the return air damper. When the outdoors air is cooler than the demanded cool air, this will permit the need to be satisfied without using the mechanical supply of cooling (generally cooled water or a direct expansion “DX” system), therefore conserving energy. The control system can compare the temperature level of the outdoors air vs. In both cases, the outdoors air needs to be less energetic than the return air for the system to go into the economizer mode. Central, “all-air” air-conditioning systems (or plan systems) with a combined outside condenser/evaporator system are frequently set up in North American homes, workplaces, and public buildings, but are tough to retrofit (install in a building that was not designed to get it) because of the large air ducts required. An option to packaged systems is the usage of separate indoor and outside coils in split systems. Split systems are chosen and commonly used worldwide except in North America. In The United States and Canada, split systems are most typically seen in domestic applications, but they are gaining appeal in little commercial structures. The advantages of ductless cooling systems include easy setup, no ductwork, higher zonal control, flexibility of control and peaceful operation. [] In area conditioning, the duct losses can account for 30% of energy consumption. The use of minisplit can result in energy cost savings in space conditioning as there are no losses associated with ducting. Indoor systems with directional vents mount onto walls, suspended from ceilings, or fit into the ceiling. Other indoor units mount inside the ceiling cavity, so that short lengths of duct handle air from the indoor system to vents or diffusers around the rooms. Split systems are more efficient and the footprint is normally smaller than the plan systems.

Call Now