Best AC & Heating Pros for hvac direct Cusseta, AL. Dial +1 334-298-1278. 24 Hour Calls. Guaranteed Services – Low Prices.

Contact Us

Riley Heating & Air Conditioning

1019 Knowles Rd, Phenix City, AL 36869, United States

Telephone

+1 334-298-1278

Hours

Mon-Sun, 8am – 9pm

Room pressure can be either favorable or negative with respect to outside the space. Favorable pressure occurs when there is more air being supplied than tired, and prevails to reduce the infiltration of outside contaminants. Natural ventilation is a crucial factor in lowering the spread of air-borne diseases such as tuberculosis, the acute rhinitis, influenza and meningitis.

Natural ventilation requires little maintenance and is economical. An air conditioning system, or a standalone ac system, offers cooling and humidity control for all or part of a structure. Air conditioned structures typically have sealed windows, because open windows would work against the system meant to keep consistent indoor air conditions.

The portion of return air comprised of fresh air can normally be manipulated by adjusting the opening of this vent. Typical fresh air intake has to do with 10%. [] Air conditioning and refrigeration are offered through the elimination 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 essential that the a/c horse power is enough for the location being cooled. Underpowered a/c system will lead to power wastage and inefficient usage. Sufficient horsepower is required for any a/c set up. The refrigeration cycle uses four necessary aspects to cool. The system refrigerant begins its cycle in a gaseous state.

From there it goes into a heat exchanger (in some cases called a condensing coil or condenser) where it loses energy (heat) to the outside, cools, and condenses into its liquid phase. An (also called metering device) regulates the refrigerant liquid to stream at the appropriate rate. The liquid refrigerant is returned to another heat exchanger where it is enabled to evaporate, thus the heat exchanger is typically called an evaporating coil or evaporator.

While doing so, heat is absorbed from inside your home and transferred outdoors, resulting in cooling of the building. In variable environments, the system might consist of a reversing valve that changes from heating in winter to cooling in summertime. By reversing the flow of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.

Free cooling systems can have extremely high efficiencies, and are often integrated with seasonal thermal energy storage so that the cold of winter can be utilized for summer 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 heat pump is added-in due to the fact that the storage functions as a heat sink when the system is in cooling (instead of charging) mode, triggering the temperature level to slowly increase throughout the cooling season. Some systems include an “economizer mode”, which is sometimes called a “free-cooling mode”. When economizing, the control system will open (fully or partly) the outdoors air damper and close (totally or partially) the return air damper.

When the outside air is cooler than the demanded cool air, this will enable the need to be fulfilled without using the mechanical supply of cooling (generally cooled water or a direct growth “DX” unit), thus conserving energy. The control system can compare the temperature of the outdoors air vs.

In both cases, the outside air must be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator system are typically installed in North American houses, offices, and public buildings, but are tough to retrofit (set up in a building that was not designed to get it) due to the fact that of the bulky air ducts required.

An alternative to packaged systems is using separate indoor and outside coils in split systems. Split systems are preferred and extensively used worldwide except in The United States and Canada. In The United States and Canada, split systems are frequently seen in property applications, however they are acquiring popularity in small business buildings.

The benefits of ductless a/c systems consist of easy installation, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy consumption. Using minisplit can lead to energy savings in space conditioning as there are no losses associated with ducting.

Indoor units with directional vents mount onto walls, suspended from ceilings, or suit 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 spaces. Split systems are more efficient and the footprint is usually smaller than the plan systems.

Call Now