Top AC & Heating Pros for bard hvac 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 focused on total home comfort solutions? The experts at O'Brien Service Company sell, install, as well as fix HVAC systems of all makes and models. Call us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are inevitable. At O'Brien Service Company, we deliver an extensive array of heating and cooling solutions to meet each of your commercial HVAC installation, replacement, repair work, and servicing requirements.
Emergency
HVAC Service
Emergencies may and do happen, and when they do, rest assured that our experts will be there for you! O'Brien Service Company is able to provide emergency services at any moment of the day or night. Don’t 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. Among our various service options promises that your comfort requirements are met within your time frame and that even your most worrisome heating or air conditioner troubles will be solved today. Your time is precious– and our company will never 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 homes and businesses throughout , we perform regular maintenance, repair work and also new installations modified 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
We also provide hvac repair services in the following cities
- hvac compressor Ocean Isle Beach, NC
- cost to replace hvac Kure Beach, NC
- horizon hvac Carolina Beach, NC
- allied hvac Riegelwood, NC
- best hvac system Bolton, NC
- cost to replace hvac Leland, NC
- best hvac brands Burgaw, NC
- hvac direct Lake Waccamaw, NC
- cost to replace hvac Castle Hayne, NC
- commercial hvac Bolton, NC
- hvac contractors near me Lake Waccamaw, NC
- amana hvac Kure Beach, NC
- alpine hvac Lake Waccamaw, NC
- hvac condensate pump Leland, NC
- hvac air purifier Lake Waccamaw, NC
- bryant hvac Wrightsville Beach, NC
- carrier hvac Atkinson, NC
- best hvac brands Bolton, NC
- 2 ton hvac unit Hampstead, NC
- hvac distributors Hampstead, NC
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 positive or negative with respect to outside the room. Favorable pressure takes place when there is more air being supplied than exhausted, and is common to lower the seepage of outside pollutants. Natural ventilation is an essential aspect in reducing the spread of airborne diseases such as tuberculosis, the common cold, influenza and meningitis.
Natural ventilation requires little maintenance and is low-cost. An air conditioning system, or a standalone a/c unit, provides cooling and humidity control for all or part of a structure. Air conditioned buildings often have sealed windows, due to the fact that open windows would work against the system planned to keep constant indoor air conditions.
The portion of return air made up of fresh air can generally be controlled by adjusting the opening of this vent. Common fresh air intake is about 10%. [] Cooling and refrigeration are provided through the elimination 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 important that the air conditioning horsepower suffices for the area being cooled. Underpowered cooling system will result in power wastage and ineffective use. Sufficient horse power is required for any air conditioner installed. The refrigeration cycle utilizes four necessary aspects to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters 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 phase. An (also called metering gadget) manages the refrigerant liquid to flow at the proper rate. The liquid refrigerant is gone back to another heat exchanger where it is allowed to vaporize, thus the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is taken in from inside and moved outdoors, leading to cooling of the structure. In variable environments, the system might 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 very high effectiveness, and are sometimes integrated with seasonal thermal energy storage so that the cold of winter can be utilized for summer air conditioning. Typical storage mediums are deep aquifers or a natural underground rock mass accessed via 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 (instead of charging) mode, triggering the temperature to gradually increase throughout the cooling season. Some systems include an “economizer mode”, which is sometimes called a “free-cooling mode”. When saving money, the control system will open (totally or partially) the outside air damper and close (fully or partially) the return air damper.
When the outside air is cooler than the demanded cool air, this will allow the need to be fulfilled without utilizing the mechanical supply of cooling (usually cooled water or a direct expansion “DX” unit), hence saving 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 enter the economizer mode. Central, “all-air” air-conditioning systems (or plan systems) with a combined outside condenser/evaporator unit are frequently installed in North American residences, offices, and public structures, but are hard to retrofit (set up in a building that was not designed to get it) due to the fact that of the large duct needed.

An option to packaged systems is the use of separate indoor and outdoor coils in split systems. Split systems are preferred and widely utilized around the world except in North America. In North America, split systems are frequently seen in residential applications, however they are getting appeal in small industrial buildings.
The benefits of ductless a/c systems consist of simple setup, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can account for 30% of energy consumption. Using minisplit can result in energy savings in area conditioning as there are no losses related to ducting.
Indoor systems with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor units install 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 effective and the footprint is typically smaller sized than the plan systems.
