Top Rated AC & Heating Experts for alpine 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 residential heating and cooling support services that are focused on complete home comfort remedies? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, and repair HVAC systems of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial cooling and heating maintenance and 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 routine maintenance demands.
Emergency
HVAC Service
Emergencies can and definitely do develop, when they do, rest comfortably that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical is able to supply emergency assistance at any time 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 countless service options ensures that your comfort needs are satisfied within your timespan and that even your most worrisome 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, Keefe's Air Conditioning, Heating, & Electrical is a leading provider of HVAC services. Serving homes and businesses throughout , we complete routine servicing, repairs and also new installations customized 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 room. Positive pressure takes place when there is more air being supplied than exhausted, and prevails to lower the infiltration of outdoors contaminants. Natural ventilation is a crucial aspect in minimizing the spread of air-borne diseases such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation requires little maintenance and is inexpensive. An a/c system, or a standalone a/c, supplies cooling and humidity control for all or part of a building. Air conditioned buildings often have actually sealed windows, because open windows would work against the system meant to preserve consistent indoor air conditions.
The percentage of return air made up of fresh air can usually be controlled by adjusting the opening of this vent. Typical fresh air intake has to do with 10%. [] Air conditioning and refrigeration are supplied 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 described as refrigerants.
It is imperative that the cooling horse power suffices for the location being cooled. Underpowered a/c system will cause power waste and ineffective use. Appropriate horsepower is needed for any a/c unit set up. The refrigeration cycle utilizes 4 essential elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it gets in 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 (likewise called metering gadget) controls the refrigerant liquid to flow at the proper rate. The liquid refrigerant is gone back to another heat exchanger where it is allowed to evaporate, thus the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is soaked up from inside and moved outdoors, resulting in cooling of the building. In variable environments, the system may consist of a reversing valve that switches from heating in winter to cooling in summer. By reversing the circulation of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have really high performances, and are in some cases integrated with seasonal thermal energy storage so that the cold of winter season can be used for summer season cooling. Typical 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 heat pump is added-in since the storage functions as a heat sink when the system remains in cooling (as opposed to 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 saving money, the control system will open (totally or partially) the outside 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 need to be satisfied without using the mechanical supply of cooling (typically chilled 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 outdoors 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 bundle systems) with a combined outside condenser/evaporator unit are frequently set up in North American homes, offices, and public buildings, however are hard to retrofit (set up in a building that was not designed to get it) because of the bulky duct needed.
An alternative to packaged systems is using separate indoor and outside coils in split systems. Split systems are chosen and extensively used worldwide except in North America. In The United States and Canada, divided systems are most often seen in property applications, however they are getting appeal in small industrial buildings.
The benefits of ductless air conditioning systems include simple setup, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Using minisplit can lead to energy cost savings in space conditioning as there are no losses connected with ducting.
Indoor systems with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor units install inside the ceiling cavity, so that short lengths of duct deal with air from the indoor unit to vents or diffusers around the rooms. Split systems are more efficient and the footprint is normally smaller than the plan systems.