Best Heating & Cooling Pros for hvac contractors near me Gretna, LA. Phone +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 support services that are focused on total home comfort solutions? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, and fix HVAC units of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive range of heating and cooling services to meet all of your commercial HVAC installation, replacement, repair work, and maintenance demands.
Emergency
HVAC Service
Emergencies may and definitely do develop, when they do, rest comfortably that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical can provide emergency services at any moment of the day or night. Never hesitate to contact 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. One of our many service options ensures that your comfort needs are met within your time frame and also even your trickiest heating or air conditioner issues will be fixed 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 complete satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a premier provider of HVAC services. Serving residential properties and businesses within , we complete routine servicing, repairs and new installations modified to your needs and budget demands.
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 regard to outside the space. Favorable pressure takes place when there is more air being provided than tired, and is typical to minimize the seepage of outside pollutants. Natural ventilation is a key factor in minimizing the spread of air-borne diseases such as tuberculosis, the cold, influenza and meningitis.
Natural ventilation needs little maintenance and is affordable. A cooling system, or a standalone a/c, provides cooling and humidity control for all or part of a building. Air conditioned buildings typically have actually sealed windows, due to the fact that open windows would work versus the system planned to maintain continuous indoor air conditions.
The percentage of return air comprised of fresh air can usually be manipulated by adjusting the opening of this vent. Typical fresh air consumption has to do with 10%. [] Air conditioning and refrigeration are provided through the removal of heat. Heat can be gotten rid of through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants.
It is crucial that the air conditioning horse power suffices for the location being cooled. Underpowered a/c system will cause power waste and inefficient usage. Appropriate horsepower is required for any ac system set up. The refrigeration cycle utilizes 4 important elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it enters a heat exchanger (sometimes called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid phase. An (likewise called metering gadget) controls the refrigerant liquid to stream at the proper rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to vaporize, thus the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is taken in from indoors and transferred outdoors, resulting in cooling of the building. In variable climates, the system may consist of a reversing valve that changes 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 really high efficiencies, and are in some cases integrated with seasonal thermal energy storage so that the cold of winter season can be utilized for summer cooling. Typical 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 is in cooling (instead of charging) mode, triggering the temperature level to slowly increase during the cooling season. Some systems include an “economizer mode”, which is often called a “free-cooling mode”. When saving money, the control system will open (completely or partly) the outdoors air damper and close (fully or partially) the return air damper.
When the outdoors air is cooler than the required cool air, this will allow the demand to be met without utilizing the mechanical supply of cooling (generally cooled water or a direct growth “DX” unit), hence saving energy. The control system can compare the temperature of the outdoors air vs.
In both cases, the outside air needs to be less energetic than the return air for the system to get in the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator unit are frequently installed in North American homes, offices, and public structures, but are difficult to retrofit (install in a structure that was not designed to receive it) because of the large duct needed.
An alternative to packaged systems is using different indoor and outdoor coils in split systems. Split systems are preferred and widely utilized around the world other than in North America. In North America, divided systems are usually seen in residential applications, however they are acquiring popularity in little commercial buildings.
The benefits of ductless a/c systems consist of easy setup, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy intake. Using minisplit can lead to energy savings in area conditioning as there are no losses connected with ducting.
Indoor systems with directional vents mount onto walls, suspended from ceilings, or suit the ceiling. Other indoor units mount inside the ceiling cavity, so that brief lengths of duct handle air from the indoor system to vents or diffusers around the rooms. Split systems are more effective and the footprint is generally smaller than the package systems.