Find Us At

1919 Enterprise Dr
Harvey, LA 70058

Call Us At

+1 800-349-3918

Business Hours

Open 24 hours

Top AC & Heating Pros for amana hvac Gretna, LA. Phone +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 centered on home comfort remedies? The professionals at Keefe's Air Conditioning, Heating, & Electrical sell, install, and also repair HVAC units of all makes and models. Call us today!

Commercial
HVAC Service

Commercial heating and cooling repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive variety of heating and cooling support services to meet all 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 offer emergency support at any moment 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 promises that your comfort requirements are satisfied within your timespan and that even your trickiest heating and air conditioner issues will be resolved today. Your time is precious– and our team 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 also 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

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 negative with respect to outside the room. Favorable pressure occurs when there is more air being supplied than exhausted, and prevails to reduce the seepage of outside contaminants. Natural ventilation is an essential consider minimizing the spread of airborne illnesses such as tuberculosis, the cold, influenza and meningitis.

Natural ventilation requires little upkeep and is affordable. An air conditioning system, or a standalone a/c unit, supplies cooling and humidity control for all or part of a structure. Air conditioned buildings typically have actually sealed windows, since open windows would work versus the system planned to preserve consistent indoor air conditions.

The percentage of return air comprised of fresh air can typically be manipulated by changing the opening of this vent. Common fresh air consumption has to do with 10%. [] A/c 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 vital that the cooling horse power suffices for the location being cooled. Underpowered cooling system will cause power waste and ineffective usage. Sufficient horse power is required for any ac system installed. The refrigeration cycle uses four important components to cool. The system refrigerant starts its cycle in a gaseous state.

From there it gets in a heat exchanger (in some cases 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 device) regulates the refrigerant liquid to flow at the appropriate rate. The liquid refrigerant is gone back to another heat exchanger where it is allowed to vaporize, for this reason the heat exchanger is typically called an evaporating coil or evaporator.

While doing so, heat is taken in from inside your home and transferred outdoors, leading to cooling of the building. In variable environments, the system might consist of a reversing valve that changes from heating in winter season to cooling in summer. 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 really high efficiencies, and are sometimes integrated with seasonal thermal energy storage so that the cold of winter season can be utilized for summer 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 heat pump is added-in since 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 include an “economizer mode”, which is sometimes 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 satisfied without using the mechanical supply of cooling (usually cooled water or a direct expansion “DX” system), thus saving energy. The control system can compare the temperature of the outdoors air vs.

In both cases, the outdoors 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 bundle systems) with a combined outside condenser/evaporator system are often installed in North American homes, offices, and public buildings, but are hard to retrofit (set up in a structure that was not designed to get it) due to the fact that of the bulky air ducts needed.

An alternative to packaged systems is using different indoor and outdoor coils in split systems. Split systems are chosen and widely used worldwide except in The United States and Canada. In The United States and Canada, split systems are usually seen in property applications, however they are acquiring popularity in little business structures.

The advantages of ductless cooling systems consist of easy setup, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy intake. Making use of minisplit can result in energy savings in area conditioning as there are no losses related to ducting.

Indoor units with directional vents mount onto walls, suspended from ceilings, or fit into 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 efficient and the footprint is normally smaller than the package systems.

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