Best AC & Heating Pros for 2 ton hvac unit Gretna, LA. Phone +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for residential heating or cooling support services that are focused on complete home comfort remedies? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as fix HVAC systems of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive range of heating as well as cooling support services to meet each of your commercial HVAC installation, replacement, repair work, and routine maintenance demands.
Emergency
HVAC Service
Emergencies can and do happen, and when they do, rest assured that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical can easily deliver emergency support at any time of the day or night. Never hesitate to call us the minute an emergency occurs!
24 Hour Service
We offer 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 fulfilled within your time frame and that even your most worrisome heating or air conditioner problems will be handled 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 total satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a premier provider of HVAC services. Serving residential properties and businesses within , we complete regular maintenance, repair work and new installations modified to your needs and budget guidelines.
Testimonials
Contact Us
Keefe’s Air Conditioning, Heating, & Electrical
1919 Enterprise Dr, Harvey, LA 70058, United States
Telephone
+1 800-349-3918
Hours
Open 24 hours
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More About Gretna, LA
Gretna is the second-largest city in, and parish seat of, Jefferson Parish, Louisiana, United States.[4][5] Gretna lies on the west bank of the Mississippi River, just east and across the river from uptown New Orleans. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area. The population was 17,736 at the 2010 census.[6]
Gretna is located at 29°54′59″N 90°3′15″W / 29.91639°N 90.05417°W / 29.91639; -90.05417 (29.916459, -90.054260)[7] and has an elevation of 0 feet (0 m)[1]
behind the levee along the Mississippi River.
Room pressure can be either positive or unfavorable with respect to outside the room. Positive pressure takes place when there is more air being supplied than exhausted, and is common to minimize the seepage of outside pollutants. Natural ventilation is a key aspect in reducing the spread of air-borne illnesses such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. A cooling system, or a standalone air conditioning unit, offers cooling and humidity control for all or part of a building. Air conditioned buildings often have actually sealed windows, since open windows would work versus the system meant to maintain consistent indoor air conditions.
The percentage of return air made up of fresh air can typically be manipulated by changing the opening of this vent. Common fresh air consumption is about 10%. [] Cooling and refrigeration are offered through the elimination of heat. Heat can be eliminated through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are referred to as refrigerants.
It is crucial that the air conditioning horse power suffices for the area being cooled. Underpowered a/c system will lead to power waste and ineffective use. Sufficient horsepower is required for any a/c unit set up. The refrigeration cycle utilizes four important elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it goes into 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 (also called metering device) regulates the refrigerant liquid to flow at the correct rate. The liquid refrigerant is gone back to another heat exchanger where it is allowed to evaporate, for this reason the heat exchanger is often called an evaporating coil or evaporator.
In the process, heat is absorbed from inside and moved outdoors, leading to cooling of the building. In variable environments, the system may include a reversing valve that switches from heating in winter to cooling in summer season. By reversing the flow of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have really high performances, and are often integrated with seasonal thermal energy storage so that the cold of winter season can be used for summer season air conditioning. Common storage mediums are deep aquifers or a natural underground rock mass accessed through a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heatpump is added-in because the storage acts as a heat sink when the system remains in cooling (instead of charging) mode, triggering the temperature level to slowly increase throughout the cooling season. Some systems include an “economizer mode”, which is sometimes called a “free-cooling mode”. When economizing, the control system will open (completely or partly) the outdoors air damper and close (totally or partly) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will allow the need to be satisfied without using the mechanical supply of cooling (usually cooled water or a direct expansion “DX” system), hence conserving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outdoors air must be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or bundle systems) with a combined outdoor condenser/evaporator unit are frequently set up in North American homes, workplaces, and public buildings, but are hard to retrofit (set up in a building that was not created to get it) since of the large air ducts needed.
An option to packaged systems is using different indoor and outside coils in split systems. Split systems are preferred and widely utilized around the world other than in North America. In North America, split systems are usually seen in property applications, but they are acquiring popularity in little commercial structures.
The advantages of ductless air conditioning systems consist of easy installation, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy intake. The usage of minisplit can lead to energy cost savings in area conditioning as there are no losses connected with ducting.
Indoor units with directional vents install onto walls, suspended from ceilings, or suit the ceiling. Other indoor systems install inside the ceiling cavity, so that short lengths of duct manage air from the indoor system to vents or diffusers around the rooms. Split systems are more efficient and the footprint is normally smaller sized than the package systems.