Top Rated AC & Heating Experts for american standard hvac Hampstead, NC. Dial +1 910-799-6611. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for residential heating and cooling services that are focused on home comfort remedies? The specialists at O'Brien Service Company sell, install, as well as repair HVAC units of all makes and models. Contact us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are inevitable. At O'Brien Service Company, we supply an extensive variety of heating as well as cooling support services to meet each of your commercial HVAC installation, replacement, repair work, and routine maintenance needs.
Emergency
HVAC Service
Emergencies can and do occur, when they do, rest assured that our team will be there for you! O'Brien Service Company can supply emergency assistance at any time of the day or night. Never hesitate to get in touch with us the moment an emergency occurs!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our countless service options guarantees that your comfort needs are achieved within your time frame and also even your trickiest heating or air conditioner troubles will be resolved today. Your time is precious– and our team won’t keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s complete satisfaction, O'Brien Service Company is a premier provider of HVAC services. Serving residential properties and businesses within , we perform routine servicing, repair work and 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
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More About Hampstead, NC
Hampstead is an unincorporated community in Pender County, North Carolina, United States. It is located between Wilmington and Jacksonville on U.S. Route 17.
Hampstead is part of the Wilmington Metropolitan Statistical Area.
Numerous inventions within this time frame preceded the beginnings of first convenience cooling system, which was designed in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Carrier geared up the Sacketts-Wilhems Printing Business with the procedure AC unit the exact same year. Coyne College was the very first school to provide HEATING AND COOLING training in 1899.
Heaters are appliances whose purpose is to produce 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 central location such as a heater room in a home, or a mechanical room in a big structure.

Heaters exist for different types of fuel, including strong fuels, liquids, and gases. Another type of heat source is electrical power, generally heating up ribbons made up of high resistance wire (see Nichrome). This principle is also used for baseboard heating systems and portable heating systems. Electrical heating units are typically used as backup or extra heat for heat pump systems.
Heatpump can extract heat from numerous sources, such as environmental air, exhaust air from a structure, or from the ground. Heatpump move heat from outside the structure into the air inside. Initially, heatpump A/C systems were only utilized in moderate environments, but with improvements in low temperature operation and minimized loads due to more effective houses, they are increasing in popularity in cooler climates.


The majority of contemporary hot 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 using radiators, warm 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 hot water for bathing and cleaning. Warm air systems disperse heated air through duct systems of supply and return air through metal or fiberglass ducts. Many systems use the very same ducts to disperse air cooled by an evaporator coil for air conditioning.
Insufficient combustion takes place when there is inadequate oxygen; the inputs are fuels including different contaminants and the outputs are damaging by-products, a lot of dangerously carbon monoxide gas, which is an unsavory and odor-free gas with major adverse health impacts. Without appropriate ventilation, carbon monoxide 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 transport oxygen. The main health concerns related to carbon monoxide exposure are its cardiovascular and neurobehavioral results. Carbon monoxide gas can trigger atherosclerosis (the hardening of arteries) and can likewise trigger cardiac arrest. Neurologically, carbon monoxide direct exposure lowers hand to eye coordination, alertness, and constant efficiency.
Ventilation is the process of changing or replacing air in any space to control temperature level or remove any combination of wetness, odors, smoke, heat, dust, airborne germs, or co2, and to replenish oxygen. Ventilation consists of both the exchange of air with the outdoors along with circulation of air within the building.
Techniques for ventilating a building might be divided into mechanical/forced and natural types. HVAC ventilation exhaust for a 12-story building Mechanical, or forced, ventilation is offered by an air handler (AHU) and used to control indoor air quality. Excess humidity, odors, and pollutants can typically be controlled by means of dilution or replacement with outside air.
Kitchens and restrooms normally have mechanical exhausts to control odors and in some cases humidity. Factors in the style of such systems include the circulation rate (which is a function of the fan speed and exhaust vent size) and noise level. Direct drive fans are readily available for lots of applications, and can lower upkeep requirements.
Since hot air rises, ceiling fans may be utilized to keep a space warmer in the winter season by flowing the warm stratified air from the ceiling to the flooring. Natural ventilation is the ventilation of a structure with outdoors air without using fans or other mechanical systems. It can be via operable windows, louvers, or trickle vents when spaces are small and the architecture permits.
Natural ventilation plans can utilize really little energy, however care needs to be taken to ensure convenience. In warm or damp climates, preserving thermal convenience solely via natural ventilation might not be possible. A/c systems are used, 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 present and distribute cool outdoor air when proper.
