Top HVAC Experts for commercial hvac Oak Island, NC. Call +1 910-799-6611. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for residential heating or cooling services that are centered on total home comfort remedies? The professionals at O'Brien Service Company sell, install, and also fix HVAC systems of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At O'Brien Service Company, we supply an extensive variety of heating as well as cooling solutions to meet every one of your commercial HVAC installation, replacement, repair, and maintenance needs.
Emergency
HVAC Service
Emergencies may and do develop, when they do, rest comfortably that our team will be there for you! O'Brien Service Company is able to provide emergency support at any time of the day or night. Never hesitate to call us the minute an emergency occurs!


24 Hour Service
We provide HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our many service options ensures that your comfort demands are met within your timespan and also even your most worrisome heating and air conditioner concerns will be resolved today. Your time is valuable– and our team won’t 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 homes and businesses throughout , we perform routine servicing, repairs and new installations tailored 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 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 unfavorable with regard to outside the space. Positive pressure occurs when there is more air being supplied than tired, and prevails to reduce the infiltration of outside pollutants. Natural ventilation is an essential consider minimizing the spread of airborne illnesses such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation requires little upkeep and is low-cost. A cooling system, or a standalone ac system, provides cooling and humidity control for all or part of a building. Air conditioned structures often have actually sealed windows, since open windows would work versus the system meant to preserve continuous indoor air conditions.
The percentage of return air made up of fresh air can usually be manipulated by changing the opening of this vent. Normal fresh air intake is about 10%. [] A/c and refrigeration are supplied through the removal of heat. Heat can be eliminated through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are referred to as refrigerants.

It is necessary that the air conditioning horse power suffices for the area being cooled. Underpowered air conditioning system will cause power waste and ineffective use. Adequate horsepower is required for any a/c set up. The refrigeration cycle utilizes four necessary elements to cool. The system refrigerant starts its cycle in a gaseous state.
From there it gets in 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 device) regulates the refrigerant liquid to flow at the proper rate. The liquid refrigerant is returned to another heat exchanger where it is enabled to evaporate, hence the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is absorbed from inside and transferred outdoors, resulting in cooling of the building. In variable environments, the system might include a reversing valve that changes from heating in winter to cooling in summer season. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have really high efficiencies, and are sometimes combined with seasonal thermal energy storage so that the cold of winter season can be used for summertime cooling. Typical 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 since the storage acts as a heat sink when the system is in cooling (rather than charging) mode, causing the temperature level to slowly increase throughout the cooling season. Some systems consist of an “economizer mode”, which is often called a “free-cooling mode”. When saving money, the control system will open (fully or partially) the outside air damper and close (fully or partially) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will allow the need to be met without using the mechanical supply of cooling (usually chilled water or a direct expansion “DX” unit), hence conserving energy. The control system can compare the temperature level of the outdoors air vs.
In both cases, the outside 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 often set up in North American homes, workplaces, and public buildings, but are challenging to retrofit (set up in a building that was not developed to get it) because of the large duct required.

An alternative to packaged systems is using different indoor and outside coils in split systems. Split systems are chosen and extensively used worldwide other than in North America. In The United States and Canada, split systems are frequently seen in domestic applications, however they are getting popularity in little commercial structures.
The advantages of ductless a/c systems include easy installation, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy usage. Using 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 suit the ceiling. Other indoor systems install inside the ceiling cavity, so that short lengths of duct manage air from the indoor unit to vents or diffusers around the spaces. Split systems are more efficient and the footprint is usually smaller than the bundle systems.
