Best HVAC Pros for hvac air filters Leland, NC. Phone +1 910-799-6611. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating or cooling support services that are centered on total home comfort solutions? The specialists at O'Brien Service Company sell, install, and fix HVAC units of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial cooling and heating maintenance and repairs are inevitable. At O'Brien Service Company, we provide an extensive variety of heating and cooling services to meet each of your commercial HVAC installation, replacement, repair work, and servicing requirements.
Emergency
HVAC Service
Emergencies may and do develop, and when they do, rest assured that our team will be there for you! O'Brien Service Company can easily provide emergency support at any time of the day or night. Never hesitate to call us the minute an emergency happens!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our countless service options guarantees that your comfort demands are satisfied within your time frame and also even your most worrisome heating or air conditioner problems will be fixed today. Your time is precious– and our team will not keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s complete satisfaction, O'Brien Service Company is a top provider of HVAC services. Serving residential properties and businesses throughout , we perform regular servicing, repairs and also new installations customized to your needs and budget guidelines.
Testimonials
Contact Us
O’Brien Service Company
3308 Enterprise Dr, Wilmington, NC 28405, United States
Telephone
+1 910-799-6611
Hours
Mon-Fri, 8am – 5:30pm
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More About Leland, NC
Leland is a town in Brunswick County, North Carolina, United States. The population was 13,527 at the 2010 census,[5] up from 1,938 at the 2000 census. It is part of the Myrtle Beach Metropolitan Statistical Area.[6] A number of movies, such as Maximum Overdrive (1986), Domestic Disturbance (2001), and We’re the Millers (2013) have been shot in or around Leland.
Leland was incorporated as a town in 1989.[7]
Room pressure can be either positive or unfavorable with respect to outside the space. Favorable pressure happens when there is more air being supplied than tired, and prevails to lower the infiltration of outside contaminants. Natural ventilation is a crucial element in lowering the spread of airborne health problems such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. A cooling system, or a standalone a/c unit, provides cooling and humidity control for all or part of a building. Air conditioned structures frequently have actually sealed windows, due to the fact that open windows would work versus the system planned to maintain constant indoor air conditions.
The portion of return air made up of fresh air can usually be manipulated by adjusting the opening of this vent. Typical fresh air intake is about 10%. [] Air conditioning and refrigeration are offered 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 crucial that the air conditioning horse power is sufficient for the location being cooled. Underpowered air conditioning system will result in power waste and ineffective use. Sufficient horse power is required for any air conditioning unit installed. The refrigeration cycle uses four necessary elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it enters a heat exchanger (sometimes called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid phase. An (likewise called metering gadget) manages the refrigerant liquid to stream at the appropriate rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to evaporate, hence the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is absorbed from inside your home and moved outdoors, resulting in cooling of the building. In variable climates, the system may consist of a reversing valve that changes from heating in winter to cooling in summer season. By reversing the flow of refrigerant, the heatpump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have really 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 by means of a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heat pump is added-in because the storage acts as a heat sink when the system remains in cooling (as opposed to charging) mode, triggering the temperature to gradually increase during the cooling season. Some systems include an “economizer mode”, which is in some cases called a “free-cooling mode”. When economizing, the control system will open (fully or partly) the outdoors air damper and close (totally or partly) the return air damper.
When the outdoors air is cooler than the required cool air, this will permit the demand to be satisfied without utilizing the mechanical supply of cooling (generally cooled water or a direct expansion “DX” system), hence conserving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outside air should 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 typically set up in North American houses, workplaces, and public structures, but are difficult to retrofit (install in a building that was not designed to get it) since of the large duct required.

An alternative to packaged systems is using separate indoor and outdoor coils in split systems. Split systems are chosen and extensively utilized worldwide except in North America. In The United States and Canada, split systems are usually seen in residential applications, but they are acquiring popularity in small industrial buildings.
The benefits of ductless air conditioning systems consist of easy setup, no ductwork, greater zonal control, versatility of control and quiet operation. [] In area conditioning, the duct losses can represent 30% of energy usage. The use of minisplit can result in 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 install inside the ceiling cavity, so that brief lengths of duct deal with air from the indoor unit to vents or diffusers around the rooms. Split systems are more effective and the footprint is normally smaller than the plan systems.
