Find Us At

1919 Enterprise Dr
Harvey, LA 70058

Call Us At

+1 800-349-3918

Business Hours

Open 24 hours

Top Rated AC & Heating Experts for high velocity hvac Chalmette, LA. Phone +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.

What We Do?

Residential
HVAC Service

Are you looking for home heating or cooling services that are focused on total home comfort solutions? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, and also fix HVAC units 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 deliver an extensive array of heating as well as cooling solutions to meet each of your commercial HVAC installation, replacement, repair, and servicing needs.

Emergency
HVAC Service

Emergencies can and do develop, when they do, rest assured that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical can provide emergency support at any time of the day or night. Don’t hesitate to call 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 many service options promises that your comfort needs are fulfilled within your timespan and that even your most worrisome heating and air conditioner concerns will be resolved today. Your time is valuable– and our experts won’t keep you waiting!

25 YEARS EXPERIENCE

With over two decades of experience bringing our client’s complete satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a top provider of HVAC services. Serving homes and businesses throughout , we perform routine maintenance, repairs as well as new installations tailored to your needs and budget requirements.

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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

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 unfavorable with respect to outside the room. Positive pressure takes place when there is more air being supplied than exhausted, and prevails to decrease the seepage of outdoors pollutants. Natural ventilation is a key consider reducing the spread of air-borne illnesses such as tuberculosis, the common cold, influenza and meningitis.

Natural ventilation requires little upkeep and is economical. An a/c system, or a standalone air conditioner, provides cooling and humidity control for all or part of a building. Air conditioned structures typically have actually sealed windows, because open windows would work against the system meant to preserve continuous indoor air conditions.

The percentage of return air comprised of fresh air can usually be controlled by changing the opening of this vent. Normal fresh air consumption has to do with 10%. [] Air conditioning and refrigeration are supplied 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 referred to as refrigerants.

It is imperative that the a/c horsepower suffices for the location being cooled. Underpowered air conditioning system will cause power waste and ineffective use. Appropriate horse power is required for any ac system installed. The refrigeration cycle utilizes 4 important components 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 (also called metering device) manages the refrigerant liquid to stream at the appropriate rate. The liquid refrigerant is returned to another heat exchanger where it is enabled to vaporize, hence the heat exchanger is often called an evaporating coil or evaporator.

At the same time, heat is absorbed from inside and moved outdoors, leading to cooling of the building. In variable environments, the system might include a reversing valve that changes from heating in winter 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 very high performances, and are sometimes integrated 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 via a cluster of small-diameter, heat-exchanger-equipped boreholes.

The heatpump is added-in because the storage serves as a heat sink when the system is in cooling (instead of charging) mode, causing the temperature level to slowly increase throughout the cooling season. Some systems consist of an “economizer mode”, which is often called a “free-cooling mode”. When economizing, the control system will open (completely or partially) the outside air damper and close (fully or partially) the return air damper.

When the outside air is cooler than the required cool air, this will allow the need to be fulfilled without utilizing the mechanical supply of cooling (usually cooled water or a direct expansion “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 bundle systems) with a combined outdoor condenser/evaporator unit are typically set up in North American residences, workplaces, and public structures, but are hard to retrofit (install in a building that was not developed to receive it) due to the fact that of the large air ducts needed.

An option to packaged systems is making use of different indoor and outdoor coils in split systems. Split systems are chosen and widely utilized worldwide other than in The United States and Canada. In North America, split systems are usually seen in domestic applications, however they are gaining appeal in small industrial structures.

The advantages of ductless air conditioning systems include simple setup, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy intake. The use of minisplit can lead to energy savings in space conditioning as there are no losses related to ducting.

Indoor systems with directional vents install onto walls, suspended from ceilings, or suit the ceiling. Other indoor units install inside the ceiling cavity, so that short lengths of duct manage air from the indoor system to vents or diffusers around the rooms. Split systems are more efficient and the footprint is normally smaller sized than the bundle systems.

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