Best AC & Heating Pros for alpine hvac Leland, NC. Call +1 910-799-6611. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for residential heating and cooling support services that are focused on home comfort solutions? The specialists at O'Brien Service Company sell, install, as well as repair HVAC systems of all makes and models. Call us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At O'Brien Service Company, we provide an extensive variety of heating as well as cooling services to meet all of your commercial HVAC installation, replacement, repair work, and routine maintenance requirements.
Emergency
HVAC Service
Emergencies will and do develop, and when they do, rest comfortably that our team will be there for you! O'Brien Service Company is able to deliver emergency support at any moment of the day or night. Don’t hesitate to call us the second an emergency occurs!


24 Hour Service
We provide HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our various service options guarantees that your comfort demands are met within your time frame and that even your trickiest heating and air conditioner issues will be solved today. Your time is precious– and our experts will not 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, repair work 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
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More About Leland, NC
Leland is a town in Brunswick County, North Carolina, United States. The population was 13,527 at the 2010 census,[5] up from 1,938 at the 2000 census. It is part of the Myrtle Beach Metropolitan Statistical Area.[6] A number of movies, such as Maximum Overdrive (1986), Domestic Disturbance (2001), and We’re the Millers (2013) have been shot in or around Leland.
Leland was incorporated as a town in 1989.[7]
Several inventions within this time frame preceded the beginnings of first convenience cooling system, which was created in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Carrier equipped the Sacketts-Wilhems Printing Company with the procedure AC unit the exact same year. Coyne College was the very first school to provide HEATING AND COOLING training in 1899.
Heating systems are home appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating. Such a system contains a boiler, heater, or heat pump to heat water, steam, or air in a main place such as a heater space in a house, or a mechanical space in a large building.

Heating units exist for different types of fuel, consisting of strong fuels, liquids, and gases. Another kind of heat source is electrical energy, usually warming ribbons made up of high resistance wire (see Nichrome). This concept is likewise utilized for baseboard heating units and portable heaters. Electrical heating units are often utilized as backup or additional heat for heat pump systems.
Heat pumps can extract heat from various sources, such as environmental air, exhaust air from a building, or from the ground. Heat pumps transfer heat from outside the structure into the air within. Initially, heat pump HEATING AND COOLING systems were only used in moderate environments, however with improvements in low temperature operation and reduced loads due to more efficient houses, they are increasing in appeal in cooler climates.


Many contemporary warm water boiler heating systems have a circulator, which is a pump, to move warm water through the circulation system (rather than 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 installed on walls or set up within the flooring to produce floor heat.
The heated water can likewise supply an auxiliary heat exchanger to supply warm water for bathing and cleaning. Warm air systems distribute heated air through duct work systems of supply and return air through metal or fiberglass ducts. Lots of systems utilize the same ducts to distribute air cooled by an evaporator coil for air conditioning.
Incomplete combustion happens when there is insufficient oxygen; the inputs are fuels containing different pollutants and the outputs are damaging by-products, the majority of dangerously carbon monoxide, which is an unappetizing and odorless gas with serious unfavorable health effects. Without proper ventilation, carbon monoxide gas can be deadly 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 main health issues associated with carbon monoxide exposure are its cardiovascular and neurobehavioral impacts. Carbon monoxide gas can trigger atherosclerosis (the hardening of arteries) and can likewise activate cardiovascular disease. Neurologically, carbon monoxide gas direct exposure reduces hand to eye coordination, vigilance, and constant performance.
Ventilation is the process of changing or changing air in any space to manage temperature level or get rid of any mix of wetness, smells, smoke, heat, dust, airborne bacteria, or carbon dioxide, and to replenish oxygen. Ventilation consists of both the exchange of air with the outdoors as well as blood circulation of air within the structure.
Approaches for ventilating a structure might be divided into mechanical/forced and natural types. HEATING AND COOLING ventilation exhaust for a 12-story structure Mechanical, or required, ventilation is supplied by an air handler (AHU) and utilized to manage indoor air quality. Excess humidity, smells, and pollutants can typically be managed by means of dilution or replacement with outdoors air.
Bathroom and kitchens generally have mechanical exhausts to control smells 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 many applications, and can minimize upkeep requirements.
Because hot air rises, ceiling fans might be utilized to keep a room warmer in the winter season by circulating the warm stratified air from the ceiling to the floor. Natural ventilation is the ventilation of a building with outdoors air without utilizing fans or other mechanical systems. It can be by means of operable windows, louvers, or drip vents when areas are little and the architecture permits.
Natural ventilation schemes can utilize very little energy, however care must be required to make sure comfort. In warm or humid environments, maintaining thermal comfort exclusively by means of natural ventilation might not be possible. Air conditioning systems are utilized, either as backups or supplements. Air-side economizers also use outside air to condition spaces, but do so using fans, ducts, dampers, and control systems to introduce and distribute cool outside air when suitable.
