Best Heating & Cooling Pros for best hvac system Gretna, LA. Call +1 800-349-3918. 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 solutions? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as repair HVAC units of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial cooling and heating maintenance and repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we provide an extensive range of heating and cooling services to meet every one of your commercial HVAC installation, replacement, repair work, and servicing needs.
Emergency
HVAC Service
Emergencies will and definitely do develop, when they do, rest assured that our team will be there for you! Keefe's Air Conditioning, Heating, & Electrical can easily supply emergency support at any moment of the day or night. Never hesitate to get in touch with us the second an emergency occurs!
24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our countless service options promises that your comfort demands are achieved within your timespan and that even your trickiest heating or air conditioner concerns will be handled today. Your time is valuable– and our experts will not 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 homes and businesses in , we perform regular servicing, repairs as well as new installations customized 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.
Space pressure can be either favorable or negative with respect to outside the space. Favorable pressure takes place when there is more air being provided than exhausted, and prevails to minimize the infiltration of outdoors pollutants. Natural ventilation is an essential aspect in lowering the spread of air-borne illnesses such as tuberculosis, the cold, influenza and meningitis.
Natural ventilation requires little maintenance and is inexpensive. An air conditioning system, or a standalone air conditioner, offers cooling and humidity control for all or part of a structure. Air conditioned structures typically have actually sealed windows, because open windows would work against the system planned to preserve consistent indoor air conditions.
The percentage of return air made up of fresh air can typically be controlled by changing the opening of this vent. Typical fresh air consumption is about 10%. [] Air conditioning and refrigeration are provided through the removal of heat. Heat can be eliminated through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants.
It is necessary that the air conditioning horsepower suffices for the area being cooled. Underpowered air conditioning system will lead to power wastage and ineffective usage. Adequate horse power is needed for any a/c installed. The refrigeration cycle uses four vital aspects to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters 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 phase. An (likewise called metering gadget) manages the refrigerant liquid to stream at the proper rate. The liquid refrigerant is returned to another heat exchanger where it is allowed to evaporate, thus the heat exchanger is typically called an evaporating coil or evaporator.
In the procedure, heat is taken in from indoors and transferred outdoors, resulting in cooling of the structure. In variable environments, the system may include a reversing valve that switches from heating in winter season to cooling in summertime. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have extremely high performances, and are in some cases combined with seasonal thermal energy storage so that the cold of winter can be utilized for summer season a/c. Common storage mediums are deep aquifers or a natural underground rock mass accessed through a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heat pump is added-in due to the fact that the storage serves as a heat sink when the system remains in cooling (rather than charging) mode, triggering the temperature level to slowly increase throughout the cooling season. Some systems consist of an “economizer mode”, which is in some cases called a “free-cooling mode”. When economizing, the control system will open (fully or partially) the outdoors air damper and close (fully or partly) the return air damper.
When the outside air is cooler than the required cool air, this will allow the demand to be satisfied without utilizing the mechanical supply of cooling (normally cooled water or a direct growth “DX” unit), thus conserving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outside air should 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 outdoor condenser/evaporator system are typically set up in North American homes, offices, and public buildings, however are challenging to retrofit (set up in a building that was not designed to get it) since of the bulky duct needed.
An alternative to packaged systems is the usage of separate indoor and outside coils in split systems. Split systems are chosen and commonly utilized around the world except in The United States and Canada. In The United States and Canada, divided systems are most typically seen in property applications, but they are getting popularity in small commercial buildings.
The advantages of ductless a/c systems include simple setup, no ductwork, greater zonal control, flexibility of control and quiet operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Making use of minisplit can lead to energy savings in space conditioning as there are no losses connected with ducting.
Indoor units with directional vents mount onto walls, suspended from ceilings, or suit the ceiling. Other indoor systems mount inside the ceiling cavity, so that brief lengths of duct handle air from the indoor unit to vents or diffusers around the spaces. Split systems are more effective and the footprint is normally smaller than the plan systems.