Top HVAC Pros for high velocity hvac Marrero, LA. Call +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating and cooling support services that are centered on total home comfort solutions? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, and fix HVAC systems of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive variety of heating and cooling solutions to meet every one of your commercial HVAC installation, replacement, repair, and maintenance needs.
Emergency
HVAC Service
Emergencies may and do develop, when they do, rest assured that our team will be there for you! Keefe's Air Conditioning, Heating, & Electrical can provide emergency services at any moment of the day or night. Never hesitate to get in touch with us the moment an emergency happens!
24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our countless service options promises that your comfort demands are met within your time frame and that even your trickiest heating or air conditioner issues will be fixed today. Your time is precious– and our company 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 top provider of HVAC services. Serving homes and businesses within , we perform 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 Marrero, LA
Marrero is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. Marrero is on the south side (referred to as the “West Bank”) of the Mississippi River, within the New Orleans–Metairie–Kenner Metropolitan Statistical Area. The population was 33,141 at the 2010 census.[1]
Marrero was named in honor of the Louisiana politician and founder of Marrero Land Company, Louis H. Marrero. The area was originally referred to and shown on maps as “Amesville”, after the Boston businessman Oakes Ames, who purchased much of the land following the Civil War. In February 1916, the U.S. Postmaster officially changed the name of the Post Office to “Marrero”.[2]
Room pressure can be either positive or negative with regard to outside the room. Favorable pressure occurs when there is more air being supplied than tired, and prevails to decrease the infiltration of outdoors contaminants. Natural ventilation is a crucial aspect in decreasing the spread of airborne diseases such as tuberculosis, the common cold, influenza and meningitis.
Natural ventilation needs little maintenance and is inexpensive. An air conditioning system, or a standalone air conditioning unit, provides cooling and humidity control for all or part of a building. Air conditioned structures frequently have sealed windows, since open windows would work against the system intended to maintain consistent indoor air conditions.
The portion of return air made up of fresh air can usually be controlled by changing the opening of this vent. Common fresh air consumption has to do with 10%. [] Air conditioning and refrigeration are supplied 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 referred to as refrigerants.
It is vital that the a/c horse power is enough for the area being cooled. Underpowered cooling system will result in power wastage and ineffective use. Appropriate horsepower is required for any air conditioning system set up. The refrigeration cycle utilizes four essential aspects to cool. The system refrigerant begins its cycle in a gaseous state.
From there it goes into a heat exchanger (sometimes 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 proper rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to evaporate, thus the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is absorbed from inside and moved outdoors, leading to cooling of the structure. In variable environments, the system might include a reversing valve that switches from heating in winter season to cooling in summer season. 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 extremely high performances, and are sometimes integrated with seasonal thermal energy storage so that the cold of winter season can be used for summertime air conditioning. Common 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 heatpump is added-in because the storage acts as a heat sink when the system is in cooling (instead of charging) mode, causing the temperature level to slowly increase during the cooling season. Some systems consist of an “economizer mode”, which is often called a “free-cooling mode”. When saving money, the control system will open (fully or partly) the outside air damper and close (fully or partly) the return air damper.
When the outside air is cooler than the demanded cool air, this will permit the need to be met without using the mechanical supply of cooling (usually cooled water or a direct expansion “DX” system), 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 go into the economizer mode. Central, “all-air” air-conditioning systems (or bundle systems) with a combined outdoor condenser/evaporator system are typically installed in North American houses, offices, and public buildings, but are hard to retrofit (set up in a structure that was not created to receive it) due to the fact that of the large duct needed.
An alternative to packaged systems is using separate indoor and outdoor coils in split systems. Split systems are chosen and extensively used worldwide except in The United States and Canada. In The United States and Canada, split systems are most typically seen in domestic applications, but they are acquiring popularity in little commercial buildings.
The benefits of ductless a/c systems include easy installation, no ductwork, greater zonal control, flexibility of control and quiet operation. [] In area conditioning, the duct losses can represent 30% of energy intake. 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 suit the ceiling. Other indoor systems mount inside the ceiling cavity, so that brief lengths of duct deal with 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 plan systems.