Top Rated HVAC Pros for hvac distributors Bolton, NC. Call +1 910-799-6611. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for home heating and cooling support services that are centered on total home comfort remedies? The specialists at O'Brien Service Company sell, install, and also fix HVAC units of all makes and models. Call 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 solutions to meet all of your commercial HVAC installation, replacement, repair work, and routine maintenance needs.
Emergency
HVAC Service
Emergencies may and do develop, when they do, rest assured that our team will be there for you! O'Brien Service Company is able to offer emergency support at any moment of the day or night. Don’t hesitate to call us the moment an emergency happens!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our many service options promises that your comfort needs are satisfied within your timespan and that even your most worrisome heating and air conditioner concerns will be handled today. Your time is valuable– and our company 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 premier provider of HVAC services. Serving homes and businesses throughout , we perform routine servicing, repairs as well as new installations customized to your needs and budget requirements.
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 Bolton, NC
Bolton is a town in Columbus County, North Carolina, United States. The population was 691 at the 2010 census.[4]
Bolton is located in eastern Columbus County at 34°19′12″N 78°24′18″W / 34.32000°N 78.40500°W / 34.32000; -78.40500 (34.320101, -78.404905).[5] The town is bypassed to the north by combined U.S. Routes 74 and 76, a four-lane divided highway. US 74/76 leads east 28 miles (45 km) to Wilmington and west 18 miles (29 km) to Whiteville, the Columbus County seat.
Room pressure can be either favorable or unfavorable with respect to outside the space. Favorable pressure occurs when there is more air being supplied than tired, and prevails to minimize the infiltration of outdoors contaminants. Natural ventilation is a key aspect in reducing the spread of airborne diseases 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, supplies 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 meant to keep continuous indoor air conditions.
The percentage of return air made up of fresh air can generally be manipulated by adjusting the opening of this vent. Common fresh air consumption has to do with 10%. [] Cooling and refrigeration are offered 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 described as refrigerants.

It is essential that the a/c horsepower is enough for the area being cooled. Underpowered air conditioning system will cause power waste and ineffective use. Sufficient horsepower is required for any air conditioning unit installed. The refrigeration cycle utilizes 4 vital aspects to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters a heat exchanger (often 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) regulates the refrigerant liquid to flow at the proper rate. The liquid refrigerant is returned to another heat exchanger where it is enabled to vaporize, thus the heat exchanger is typically called an evaporating coil or evaporator.
At the same time, heat is soaked up from inside your home and moved outdoors, leading to cooling of the building. In variable environments, the system might include a reversing valve that switches from heating in winter season to cooling in summertime. 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 extremely high effectiveness, and are often combined with seasonal thermal energy storage so that the cold of winter can be utilized for summertime air conditioning. 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 because the storage serves as a heat sink when the system remains in cooling (rather than charging) mode, triggering the temperature level 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 (totally or partially) 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 allow the need to be fulfilled without utilizing the mechanical supply of cooling (generally cooled water or a direct growth “DX” unit), thus conserving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outdoors air must be less energetic than the return air for the system to go into the economizer mode. Central, “all-air” air-conditioning systems (or bundle systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public structures, but are difficult to retrofit (set up in a building that was not designed to receive it) due to the fact that of the large duct needed.

An option to packaged systems is making use of different indoor and outside coils in split systems. Split systems are preferred and widely used worldwide other than in North America. In The United States and Canada, divided systems are most frequently seen in domestic applications, but they are acquiring popularity in small industrial structures.
The benefits of ductless air conditioning systems include simple installation, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can account for 30% of energy intake. Making use of minisplit can result in energy savings in space conditioning as there are no losses connected with ducting.
Indoor systems with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor units mount inside the ceiling cavity, so that brief lengths of duct manage air from the indoor unit to vents or diffusers around the rooms. Split systems are more effective and the footprint is generally smaller than the plan systems.
