Best HVAC Experts for commercial hvac Chalmette, 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 and 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 a comprehensive variety of heating and cooling services to meet each of your commercial HVAC installation, replacement, repair, and servicing demands.
Emergency
HVAC Service
Emergencies can and definitely do occur, when they do, rest assured that our team will be there for you! Keefe's Air Conditioning, Heating, & Electrical is able to deliver emergency support at any time of the day or night. Don’t hesitate to get in touch with 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. One of our various service options ensures that your comfort requirements are met within your time frame and that even your trickiest heating or air conditioner troubles will be resolved 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 complete satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a premier provider of HVAC services. Serving homes and businesses throughout , we perform routine maintenance, repairs and 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 Chalmette, LA
Chalmette (/ʃælˈmɛt/ shall-MET) is a census-designated place (CDP) in, and the parish seat of St. Bernard Parish, in southeast Louisiana, United States.[1] The 2010 census reported that Chalmette had 16,751 people. The 2011 population is listed as 17,119;[2] however, the pre-Katrina population was 32,069 at the 2000 census. The population hence declined by 46% between 2000 and 2010. Chalmette is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area. Chalmette is located east of downtown New Orleans and south of Arabi, towards Lake Borgne.
The community was named for plantation owner Louis-Xavier Martin de Lino de Chalmette (1720-1755). Chalmette was appended to the family name after acquiring their Louisiana plantation, in honour of Louis-Xavier Martin de Lino’s paternal great-grandmother, Antoinette Chalmette (died 1711)[3] “Chalmette,” in French, means pasture, or fallow land, (and traces to the Proto-Celtic word “kalm”).[citation needed]
Space pressure can be either positive or negative with respect to outside the room. Positive pressure occurs when there is more air being supplied than tired, and prevails to minimize the seepage of outside contaminants. Natural ventilation is a crucial consider reducing the spread of airborne health problems such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation requires little upkeep and is inexpensive. An a/c system, or a standalone ac system, supplies cooling and humidity control for all or part of a building. Air conditioned buildings frequently have actually sealed windows, due to the fact that open windows would work versus the system planned to preserve continuous indoor air conditions.
The portion of return air comprised of fresh air can typically be controlled by changing the opening of this vent. Normal fresh air consumption has to do with 10%. [] Cooling and refrigeration are provided 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 described as refrigerants.
It is essential that the air conditioning horse power suffices for the location being cooled. Underpowered air conditioning system will cause power wastage and ineffective use. Appropriate horsepower is required for any ac system set up. The refrigeration cycle utilizes four necessary components to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters a heat exchanger (often called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid phase. An (also called metering gadget) regulates the refrigerant liquid to flow at the correct rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to evaporate, hence the heat exchanger is typically called an evaporating coil or evaporator.
At the same time, heat is soaked up from inside your home and transferred outdoors, leading to cooling of the structure. In variable environments, the system might consist of a reversing valve that changes from heating in winter to cooling in summertime. By reversing the circulation of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have very high performances, and are often integrated with seasonal thermal energy storage so that the cold of winter can be utilized for summer air conditioning. Typical 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 because the storage functions as a heat sink when the system remains in cooling (instead of charging) mode, causing the temperature level to gradually 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 (totally or partially) the outside air damper and close (completely or partly) the return air damper.
When the outside air is cooler than the demanded cool air, this will enable the need to be satisfied without utilizing the mechanical supply of cooling (normally cooled water or a direct expansion “DX” system), hence saving energy. The control system can compare the temperature level 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 system are often set up in North American residences, workplaces, and public structures, however are challenging to retrofit (set up in a building that was not developed to receive it) because of the large air ducts required.
An alternative to packaged systems is making use of separate indoor and outside coils in split systems. Split systems are chosen and extensively utilized worldwide except in The United States and Canada. In The United States and Canada, divided systems are usually seen in property applications, but they are acquiring appeal in little industrial buildings.
The benefits of ductless cooling systems include simple setup, no ductwork, higher zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Making use of 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 fit into the ceiling. Other indoor units mount inside the ceiling cavity, so that brief 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.