Top HVAC Experts for hvac courses Castle Hayne, 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 services that are centered on total home comfort solutions? The specialists at O'Brien Service Company sell, install, and repair HVAC systems of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are unavoidable. At O'Brien Service Company, we deliver a comprehensive range of heating as well as cooling services to meet every one of your commercial HVAC installation, replacement, repair work, and maintenance demands.
Emergency
HVAC Service
Emergencies will and definitely do happen, and when they do, rest assured that we will will be there for you! O'Brien Service Company is able to provide emergency support at any time of the day or night. Don’t hesitate to get in touch with us the moment an emergency happens!


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 promises that your comfort demands are met within your timespan and also even your trickiest heating or air conditioner problems will be fixed today. Your time is precious– and our team 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 homes and businesses in , we complete routine servicing, repairs and also new installations tailored 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
We also provide hvac repair services in the following cities
- commercial hvac Castle Hayne, NC
- hvac air freshener Atkinson, NC
- best hvac brands Burgaw, NC
- goodman hvac Wilmington, NC
- hvac distributors Riegelwood, NC
- bard hvac Rocky Point, NC
- bard hvac Oak Island, NC
- commercial hvac Atkinson, NC
- horizon hvac Kure Beach, NC
- hvac condensate pump Wrightsville Beach, NC
- hvac compressor Bolton, NC
- alpine hvac Leland, NC
- hvac condensate pump Bolton, NC
- best hvac brands Hampstead, NC
- best hvac system Wrightsville Beach, NC
- hvac courses Southport, NC
- hutchinson hvac Ocean Isle Beach, NC
- commercial rooftop hvac units prices Burgaw, NC
- hvac air filters Atkinson, NC
- hvac air freshener Ocean Isle Beach, NC
More About Castle Hayne, NC
Castle Hayne is a census-designated place (CDP) in New Hanover County, North Carolina, United States. The population was 1,202 at the 2010 census, up from 1,116 in 2000. It is part of the Wilmington Metropolitan Statistical Area.
Planters and small farmers used slave labor to make full use of the region’s natural resources. The forest provided the region’s major industries through the 18th and most of the 19th century: naval stores and lumber fueled the economy both before and after the American Revolution. During the Revolutionary War, the British maintained a garrison at Fort Johnson near Wilmington. After suffering crippling losses at Guilford Court House, the British withdrew all forces back to Fort Johnson and abandoned plans to occupy North Carolina. This prompted the British to attack Yorktown, Virginia instead, which brought an end to the war.
Several innovations within this time frame preceded the beginnings of first convenience air conditioning system, which was developed in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Provider geared up the Sacketts-Wilhems Printing Company with the procedure A/C unit the very same year. Coyne College was the very first school to offer A/C training in 1899.
Heating systems are devices whose purpose is to produce heat (i.e. warmth) for the building. This can be done via central heating. Such a system consists of a boiler, heating system, or heat pump to heat water, steam, or air in a central location such as a heater space in a home, or a mechanical space in a large building.

Heating units exist for various kinds of fuel, consisting of solid fuels, liquids, and gases. Another kind of heat source is electrical power, usually heating ribbons made up of high resistance wire (see Nichrome). This principle is likewise used for baseboard heating systems and portable heating systems. Electrical heaters are frequently utilized as backup or extra heat for heatpump systems.
Heat pumps can draw out heat from different sources, such as environmental air, exhaust air from a building, or from the ground. Heatpump transfer heat from outside the structure into the air within. At first, heat pump HVAC systems were just utilized in moderate environments, however with enhancements in low temperature operation and lowered loads due to more efficient homes, they are increasing in appeal in cooler environments.


Most contemporary warm water boiler heating systems have a circulator, which is a pump, to move hot water through the circulation system (instead of older gravity-fed systems). The heat can be moved to the surrounding air utilizing radiators, hot water coils (hydro-air), or other heat exchangers. The radiators may be mounted on walls or set up within the floor to produce floor heat.
The heated water can likewise supply an auxiliary heat exchanger to supply hot water for bathing and washing. Warm air systems distribute heated air through duct systems of supply and return air through metal or fiberglass ducts. Lots of systems utilize the same ducts to disperse air cooled by an evaporator coil for air conditioning.
Incomplete combustion occurs when there is inadequate oxygen; the inputs are fuels containing numerous pollutants and the outputs are hazardous byproducts, a lot of dangerously carbon monoxide gas, which is an unappetizing and odor-free gas with major negative health results. Without correct ventilation, carbon monoxide gas can be lethal at concentrations of 1000 ppm (0.1%).
Carbon monoxide binds with hemoglobin in the blood, forming carboxyhemoglobin, lowering the blood’s ability to transfer oxygen. The primary health issues connected with carbon monoxide exposure are its cardiovascular and neurobehavioral effects. Carbon monoxide gas can cause atherosclerosis (the hardening of arteries) and can also activate cardiovascular disease. Neurologically, carbon monoxide direct exposure reduces hand to eye coordination, alertness, and continuous efficiency.
Ventilation is the process of changing or changing air in any area to control temperature level or get rid of any mix of moisture, odors, smoke, heat, dust, air-borne bacteria, or carbon dioxide, and to replenish oxygen. Ventilation includes both the exchange of air with the outdoors in addition to circulation of air within the structure.
Techniques for ventilating a structure may be divided into mechanical/forced and natural types. HVAC ventilation exhaust for a 12-story structure Mechanical, or forced, ventilation is offered by an air handler (AHU) and utilized to manage indoor air quality. Excess humidity, odors, and contaminants can frequently be controlled through dilution or replacement with outdoors air.
Cooking areas and bathrooms typically have mechanical exhausts to control odors and often humidity. Consider the style of such systems include the circulation rate (which is a function of the fan speed and exhaust vent size) and sound level. Direct drive fans are offered for lots of applications, and can decrease upkeep requirements.
Due to the fact that hot air increases, ceiling fans may be used to keep a room warmer in the winter by flowing the warm stratified air from the ceiling to the flooring. Natural ventilation is the ventilation of a building with outside air without utilizing fans or other mechanical systems. It can be through operable windows, louvers, or drip vents when spaces are small and the architecture permits.
Natural ventilation plans can use very little energy, however care must be taken to ensure comfort. In warm or humid environments, preserving thermal comfort entirely via natural ventilation may not be possible. Cooling systems are utilized, either as backups or supplements. Air-side economizers likewise utilize outdoors air to condition areas, however do so utilizing fans, ducts, dampers, and control systems to introduce and disperse cool outside air when suitable.
