Best Heating & Cooling Pros for goodman hvac Meraux, 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 services that are centered on total home comfort solutions? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as fix HVAC units of all makes and models. Call us today!
Commercial
HVAC Service
Commercial cooling and heating maintenance and repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive variety of heating and cooling services to meet each of your commercial HVAC installation, replacement, repair, and maintenance requirements.
Emergency
HVAC Service
Emergencies may and do happen, and when they do, rest assured that our experts will be there for you! Keefe's Air Conditioning, Heating, & Electrical can supply emergency services at any moment of the day or night. Don’t hesitate to call us the minute an emergency happens!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our countless service options ensures that your comfort needs are achieved within your timespan and that even your trickiest heating or air conditioner troubles will be resolved today. Your time is precious– and our experts will not 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 within , we complete routine servicing, repair work and new installations modified 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 Meraux, LA
Meraux is a census-designated place (CDP) in St. Bernard Parish, Louisiana, United States. The population was 10,192 at the 2000 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area.
In 2005, the town was devastated by storm surge and wind associated with Hurricane Katrina which destroyed the Mississippi River-Gulf Outlet Canal (MRGO) levee.
Room pressure can be either positive or negative with respect to outside the space. Positive pressure occurs when there is more air being provided than tired, and prevails to reduce the seepage of outdoors pollutants. Natural ventilation is a crucial element in reducing the spread of airborne diseases such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. An air conditioning system, or a standalone air conditioning system, provides cooling and humidity control for all or part of a building. Air conditioned structures frequently have actually sealed windows, since open windows would work versus the system intended to keep consistent indoor air conditions.
The portion of return air comprised of fresh air can generally be manipulated by changing the opening of this vent. Typical fresh air consumption has to do with 10%. [] Cooling and refrigeration are offered through the elimination of heat. Heat can be removed through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants.

It is important that the a/c horse power suffices for the area being cooled. Underpowered air conditioning system will result in power wastage and inefficient use. Sufficient horse power is needed for any air conditioning system installed. The refrigeration cycle uses 4 necessary components to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into 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 (likewise called metering gadget) controls 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, for this reason the heat exchanger is frequently called an evaporating coil or evaporator.
In the procedure, heat is absorbed from indoors and moved outdoors, resulting in cooling of the building. In variable climates, the system may consist of a reversing valve that switches from heating in winter season 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 combined with seasonal thermal energy storage so that the cold of winter season can be used for summertime 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 heatpump is added-in since the storage acts as a heat sink when the system is in cooling (rather than charging) mode, causing the temperature to slowly increase throughout the cooling season. Some systems include an “economizer mode”, which is in some cases called a “free-cooling mode”. When economizing, the control system will open (fully or partly) the outdoors air damper and close (completely or partly) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will permit the need to be met without utilizing the mechanical supply of cooling (usually cooled water or a direct growth “DX” system), thus conserving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outside air should be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator unit are often installed in North American homes, offices, and public structures, however are challenging to retrofit (set up in a building that was not developed to receive it) due to the fact that of the bulky duct required.

An option to packaged systems is using different indoor and outside coils in split systems. Split systems are chosen and commonly utilized worldwide except in The United States and Canada. In North America, divided systems are frequently seen in property applications, but they are getting appeal in small commercial structures.
The advantages of ductless air conditioning systems include simple installation, no ductwork, higher zonal control, versatility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy intake. The use of minisplit can lead to energy savings in area conditioning as there are no losses connected with ducting.
Indoor units with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor systems mount inside the ceiling cavity, so that short lengths of duct handle air from the indoor system to vents or diffusers around the rooms. Split systems are more effective and the footprint is typically smaller than the package systems.
