Top HVAC Pros for heil hvac Gretna, LA. Dial +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for home heating or cooling services that are centered on home comfort solutions? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as repair HVAC systems of all makes and models. Contact us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive variety of heating as well as cooling solutions to meet every one of your commercial HVAC installation, replacement, repair work, and maintenance needs.
Emergency
HVAC Service
Emergencies can and definitely do occur, when they do, rest comfortably that our experts will be there for you! Keefe's Air Conditioning, Heating, & Electrical can offer emergency assistance at any moment of the day or night. Never hesitate to get in touch with us the minute an emergency occurs!
24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our various service options promises that your comfort demands are fulfilled within your time frame and that even your trickiest heating or air conditioner problems will be solved today. Your time is valuable– and our company won’t 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 homes and businesses throughout , we complete regular servicing, repairs and also new installations tailored 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 space. Positive pressure occurs when there is more air being supplied than exhausted, and is typical to reduce the seepage of outdoors contaminants. Natural ventilation is a crucial consider decreasing the spread of air-borne diseases such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation requires little upkeep and is economical. An a/c system, or a standalone a/c unit, supplies cooling and humidity control for all or part of a building. Air conditioned buildings frequently have sealed windows, because open windows would work versus the system planned to maintain continuous indoor air conditions.
The percentage of return air comprised of fresh air can normally be controlled by adjusting the opening of this vent. Typical fresh air intake has to do with 10%. [] A/c and refrigeration are supplied through the elimination of heat. Heat can be gotten rid of through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are referred to as refrigerants.
It is necessary that the cooling horse power is adequate for the area being cooled. Underpowered a/c system will result in power wastage and ineffective usage. Appropriate horsepower is required for any a/c set up. The refrigeration cycle utilizes 4 important aspects to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into a heat exchanger (in some cases called a condensing coil or condenser) where it loses energy (heat) to the outside, cools, and condenses into its liquid stage. An (likewise called metering gadget) manages the refrigerant liquid to flow at the appropriate rate. The liquid refrigerant is gone back to another heat exchanger where it is enabled to vaporize, hence the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is soaked up from indoors and moved outdoors, leading to cooling of the structure. In variable environments, the system may include a reversing valve that switches from heating in winter to cooling in summer season. By reversing the circulation of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have extremely high effectiveness, and are in some cases combined with seasonal thermal energy storage so that the cold of winter season can be used for summer season cooling. Common 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 heatpump is added-in since the storage functions as a heat sink when the system is in cooling (instead of charging) mode, triggering the temperature 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 partially) the outside air damper and close (totally or partly) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will enable the demand to be fulfilled without utilizing the mechanical supply of cooling (usually cooled water or a direct growth “DX” system), thus conserving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outside air needs to 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 system are typically installed in North American residences, offices, and public structures, but are difficult to retrofit (install in a building that was not created to receive it) since of the bulky duct required.
An alternative to packaged systems is the use of separate indoor and outdoor coils in split systems. Split systems are chosen and widely used worldwide other than in The United States and Canada. In North America, split systems are frequently seen in residential applications, however they are acquiring appeal in little industrial structures.
The benefits of ductless air conditioning systems include 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. Making use of minisplit can result in energy cost savings in space conditioning as there are no losses associated with ducting.
Indoor units with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor units mount inside the ceiling cavity, so that short lengths of duct manage air from the indoor unit to vents or diffusers around the rooms. Split systems are more efficient and the footprint is typically smaller than the package systems.