Top HVAC Experts for cost of new hvac system Luling, 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 focused on home comfort remedies? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as repair HVAC systems of all makes and models. Contact us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we deliver an extensive array of heating as well as cooling services to meet all of your commercial HVAC installation, replacement, repair work, and servicing requirements.
Emergency
HVAC Service
Emergencies will and definitely do occur, and when they do, rest assured that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical can easily deliver emergency services at any moment of the day or night. Don’t 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 fulfilled within your timespan and that even your most worrisome heating and air conditioner concerns will be solved today. Your time is precious– 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 premier provider of HVAC services. Serving residential properties and businesses in , we perform regular servicing, repairs and new installations customized 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 Luling, LA
Luling is a census-designated place (CDP) in St. Charles Parish, Louisiana, United States. The population was 11,512 at the 2000 census and 12,119 at the 2010 census
Luling is located at 29°54′48″N 90°21′50″W / 29.91333°N 90.36389°W / 29.91333; -90.36389 (29.913260, -90.364008)[1] and has an elevation of 7 feet (2.1 m).[2]
Space pressure can be either positive or negative with regard to outside the room. Positive pressure takes place when there is more air being supplied than tired, and is typical to reduce the infiltration of outdoors pollutants. Natural ventilation is an essential consider minimizing the spread of air-borne diseases such as tuberculosis, the cold, influenza and meningitis.
Natural ventilation needs little upkeep and is low-cost. A cooling system, or a standalone air conditioner, offers cooling and humidity control for all or part of a building. Air conditioned buildings frequently have actually sealed windows, because open windows would work against the system planned to keep constant indoor air conditions.
The percentage of return air made up of fresh air can typically be controlled by changing the opening of this vent. Typical fresh air consumption is about 10%. [] A/c and refrigeration are supplied through the removal 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 crucial that the cooling horse power suffices for the area being cooled. Underpowered cooling system will result in power wastage and inefficient usage. Appropriate horse power is required for any ac system installed. The refrigeration cycle uses four essential aspects to cool. The system refrigerant begins 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 outside, 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 returned to another heat exchanger where it is permitted to evaporate, for this reason the heat exchanger is typically called an evaporating coil or evaporator.
In the process, heat is soaked up from inside your home and transferred outdoors, resulting in cooling of the structure. In variable climates, the system may consist of a reversing valve that switches from heating in winter to cooling in summertime. By reversing the flow of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have very high effectiveness, and are in some cases combined with seasonal thermal energy storage so that the cold of winter can be used for summer season 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 heat pump is added-in because the storage acts as a heat sink when the system is in cooling (as opposed to 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 (totally or partially) the outdoors air damper and close (totally or partially) the return air damper.
When the outside air is cooler than the demanded cool air, this will enable the need to be satisfied without utilizing the mechanical supply of cooling (normally chilled water or a direct growth “DX” system), therefore conserving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outdoors air should be less energetic than the return air for the system to go into the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator unit are frequently installed in North American houses, workplaces, and public buildings, however are tough to retrofit (install in a structure that was not developed to get it) due to the fact that of the bulky duct required.

An option to packaged systems is the use of separate indoor and outside coils in split systems. Split systems are preferred and extensively utilized worldwide other than in The United States and Canada. In The United States and Canada, split systems are usually seen in domestic applications, but they are getting appeal in small business buildings.
The benefits of ductless air conditioning systems include simple setup, no ductwork, higher zonal control, versatility of control and quiet operation. [] In area conditioning, the duct losses can represent 30% of energy consumption. The usage of minisplit can result in energy cost savings in area conditioning as there are no losses related to ducting.
Indoor systems with directional vents mount onto walls, suspended from ceilings, or suit the ceiling. Other indoor systems 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 effective and the footprint is generally smaller sized than the plan systems.
