Best AC & Heating Experts for commercial hvac Metairie, LA. Call +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for home heating or cooling services that are centered on complete home comfort remedies? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, and also fix HVAC units of all makes and models. Call us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we deliver an extensive variety of heating and cooling solutions to meet every one of your commercial HVAC installation, replacement, repair work, and servicing demands.
Emergency
HVAC Service
Emergencies can and definitely do happen, when they do, rest comfortably that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical is able to deliver emergency assistance at any moment of the day or night. Don’t hesitate to contact us the minute an emergency happens!


24 Hour Service
We provide HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our many service options promises that your comfort demands are met within your timespan and that even your most worrisome heating or air conditioner concerns will be solved today. Your time is valuable– and our team will never keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our client’s total satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a top provider of HVAC services. Serving homes and businesses within , we perform regular maintenance, repairs and new installations tailored 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
We also provide hvac repair services in the following cities
More About Metairie, LA
Metairie (/ˈmɛtəri/MET-ər-ee) is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States, and is part of the New Orleans metropolitan area. With a population at the 2010 census of 138,481,[1] Metairie is the largest community in Jefferson Parish and the fifth-largest CDP in the United States.[2] It is an unincorporated area that would be Louisiana’s fourth-largest city if it were incorporated.[3][4] The zip codes that serve the community are 70001–70006.
Métairie is the French term for a small tenant farm which paid the landlord with a share of the produce, also known as sharecropping. In the 1760s, many of the original French farmers were tenants; after the Civil War, the majority of the community’s inhabitants were sharecroppers until urbanization started in the 1910s.
Room pressure can be either positive or unfavorable with regard to outside the space. Favorable pressure occurs when there is more air being supplied than exhausted, and prevails to minimize the infiltration of outside pollutants. Natural ventilation is a key factor in decreasing the spread of air-borne health problems such as tuberculosis, the cold, influenza and meningitis.
Natural ventilation needs little maintenance and is affordable. An air conditioning system, or a standalone air conditioner, supplies cooling and humidity control for all or part of a building. Air conditioned structures often have actually sealed windows, because open windows would work against the system intended to maintain continuous indoor air conditions.
The percentage of return air made up of fresh air can usually be controlled by changing the opening of this vent. Common fresh air intake has to do with 10%. [] Air conditioning 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 essential that the air conditioning horse power is sufficient for the location being cooled. Underpowered a/c system will cause power wastage and ineffective usage. Sufficient horsepower is required for any air conditioner set up. The refrigeration cycle utilizes four essential elements 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 device) controls the refrigerant liquid to stream at the proper rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to vaporize, for this reason the heat exchanger is often called an evaporating coil or evaporator.
At the same time, heat is absorbed from inside and moved outdoors, resulting in cooling of the building. In variable climates, the system may consist of a reversing valve that changes from heating in winter to cooling in summer. By reversing the flow of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have really high effectiveness, and are in some cases combined with seasonal thermal energy storage so that the cold of winter season can be utilized for summertime a/c. 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 heat pump is added-in due to the fact that the storage serves as a heat sink when the system is in cooling (as opposed to charging) mode, causing the temperature to gradually increase during 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 (completely or partly) the outdoors air damper and close (totally or partly) the return air damper.
When the outdoors air is cooler than the required cool air, this will enable the demand to be met without utilizing the mechanical supply of cooling (generally 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 get in the economizer mode. Central, “all-air” air-conditioning systems (or plan systems) with a combined outside condenser/evaporator system are typically set up in North American houses, workplaces, and public buildings, but are tough to retrofit (install in a building that was not created to get it) due to the fact that of the large duct required.

An alternative to packaged systems is using different indoor and outside coils in split systems. Split systems are preferred and extensively utilized around the world other than in North America. In The United States and Canada, split systems are most often seen in property applications, however they are acquiring popularity in small business structures.
The benefits of ductless air conditioning systems include easy installation, no ductwork, higher zonal control, versatility of control and quiet operation. [] In area conditioning, the duct losses can account for 30% of energy intake. The use of minisplit can result in 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 units mount inside the ceiling cavity, so that brief lengths of duct manage air from the indoor unit to vents or diffusers around the rooms. Split systems are more effective and the footprint is normally smaller sized than the plan systems.
