Top Rated Heating & Cooling Experts for hvac air filters Oak Island, NC. Dial +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 complete home comfort remedies? The experts at O'Brien Service Company sell, install, and also repair HVAC units of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial cooling and heating maintenance and repairs are inevitable. At O'Brien Service Company, we provide a comprehensive variety of heating as well as cooling solutions to meet every one of your commercial HVAC installation, replacement, repair work, and maintenance demands.
Emergency
HVAC Service
Emergencies will and do occur, when they do, rest assured that our team will be there for you! O'Brien Service Company is able to provide emergency assistance at any time of the day or night. Never hesitate to contact us the minute an emergency occurs!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our various service options guarantees that your comfort requirements are fulfilled within your timespan and that even your trickiest heating or air conditioner troubles will be resolved today. Your time is valuable– and our experts will never keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our client’s total satisfaction, O'Brien Service Company is a leading provider of HVAC services. Serving residential properties and businesses in , we perform regular maintenance, repairs and new installations modified to your needs and budget demands.
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 Oak Island, NC
Oak Island is a seaside town located in the southeastern corner of North Carolina. Part of Brunswick County, the major portion of the town is on Oak Island which it shares with Caswell Beach. Founded in 1999 as the result of the consolidation of two existing towns, Oak Island’s main industry is tourism. Per the 2010 census, it had a permanent population of 6,783 which in 2018 was estimated to be 8,072. Its average summer population ranges from 30-50,000 and the town is considered to be a part of the Myrtle Beach metropolitan area.[2]
Oak Island, on which much of the town sits, has been inhabited since the early 19th century when Fort Caswell was constructed on its east end in 1838. The island developed slowly, but by the late 1930s it began attracting people from nearby Southport with fox hunting popular in the areas along the Intracoastal Waterway (ICW). In 1954, Hurricane Hazel struck, leaving only five buildings standing on the west end of the island[3] The island recovered quickly however, and the towns of Long Beach and Yaupon Beach were incorporated in 1955. Along with this increasing level of development came strident demands for a reliable crossing of the ICW to provide access to the island.
Space pressure can be either favorable or negative with respect to outside the space. Positive pressure takes place when there is more air being provided than exhausted, and prevails to lower the seepage of outdoors impurities. Natural ventilation is an essential consider minimizing the spread of airborne health problems such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation requires little maintenance and is inexpensive. A cooling system, or a standalone air conditioning system, provides cooling and humidity control for all or part of a building. Air conditioned buildings often have actually sealed windows, because open windows would work against the system meant to keep constant indoor air conditions.
The percentage of return air made up of fresh air can normally be controlled by adjusting the opening of this vent. Typical fresh air intake is about 10%. [] A/c and refrigeration are offered through the removal of heat. Heat can be gotten rid of 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 horsepower suffices for the location being cooled. Underpowered a/c system will cause power waste and inefficient use. Adequate horse power is needed for any air conditioning unit set up. The refrigeration cycle uses four necessary elements to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into a heat exchanger (sometimes called a condensing coil or condenser) where it loses energy (heat) to the outside, cools, and condenses into its liquid phase. An (likewise called metering gadget) manages the refrigerant liquid to flow at the correct rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to vaporize, thus the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is taken in from indoors and transferred outdoors, leading to cooling of the structure. In variable climates, the system might include a reversing valve that changes from heating in winter season to cooling in summer. 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 sometimes integrated with seasonal thermal energy storage so that the cold of winter season can be used for summertime air conditioning. 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 since the storage serves as a heat sink when the system is in cooling (instead of charging) mode, causing the temperature level to gradually increase throughout the cooling season. Some systems consist of an “economizer mode”, which is often called a “free-cooling mode”. When economizing, the control system will open (completely or partly) the outdoors air damper and close (completely or partially) the return air damper.
When the outside air is cooler than the required cool air, this will permit the need to be satisfied without utilizing the mechanical supply of cooling (typically cooled water or a direct growth “DX” system), hence saving energy. The control system can compare the temperature level of the outdoors air vs.
In both cases, the outdoors air must be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or plan systems) with a combined outside condenser/evaporator system are often set up in North American houses, offices, and public buildings, but are tough to retrofit (install in a building that was not developed to receive it) due to the fact that of the bulky duct required.

An alternative to packaged systems is using separate indoor and outside coils in split systems. Split systems are chosen and commonly used worldwide except in The United States and Canada. In The United States and Canada, divided systems are most often seen in property applications, however they are getting appeal in small business buildings.
The benefits of ductless cooling systems include simple installation, no ductwork, higher zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy usage. The usage of minisplit can lead to energy cost savings in space conditioning as there are no losses connected with ducting.
Indoor systems with directional vents mount onto walls, suspended from ceilings, or fit into the ceiling. Other indoor systems mount inside the ceiling cavity, so that short lengths of duct manage air from the indoor system to vents or diffusers around the spaces. Split systems are more efficient and the footprint is typically smaller sized than the package systems.
