Top HVAC Pros for hvac air filters Luling, LA. Dial +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for residential heating or cooling support services that are centered on total home comfort solutions? The experts at Keefe's Air Conditioning, Heating, & Electrical sell, install, and also fix HVAC systems of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we provide a comprehensive variety of heating and cooling services to meet every one of your commercial HVAC installation, replacement, repair, and routine maintenance requirements.
Emergency
HVAC Service
Emergencies can and definitely do occur, when they do, rest assured that our experts will be there for you! Keefe's Air Conditioning, Heating, & Electrical is able to supply emergency support at any time of the day or night. Never hesitate to contact us the minute an emergency occurs!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our many service options ensures that your comfort demands are met within your time frame and that even your trickiest heating or air conditioner issues will be resolved today. Your time is valuable– and our experts won’t 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 leading provider of HVAC services. Serving homes and businesses throughout , we complete regular servicing, repair work 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
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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]
Room pressure can be either favorable or negative with regard to outside the room. Positive pressure takes place when there is more air being supplied than exhausted, and is typical to reduce the seepage of outdoors contaminants. Natural ventilation is a key consider reducing the spread of airborne diseases such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. An a/c system, or a standalone air conditioner, supplies cooling and humidity control for all or part of a building. Air conditioned structures frequently have sealed windows, due to the fact that open windows would work against the system intended to keep consistent indoor air conditions.
The portion of return air made up of fresh air can usually be manipulated by adjusting the opening of this vent. Typical fresh air intake is about 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 important that the a/c horsepower is sufficient for the area being cooled. Underpowered air conditioning system will lead to power waste and ineffective usage. Appropriate horse power is required for any air conditioning system installed. The refrigeration cycle utilizes four essential elements to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters 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 (also called metering gadget) controls the refrigerant liquid to stream at the appropriate rate. The liquid refrigerant is gone back to another heat exchanger where it is enabled to evaporate, hence the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is taken in from inside and transferred outdoors, leading to cooling of the structure. In variable climates, the system might consist of a reversing valve that changes from heating in winter to cooling in summer. By reversing the circulation of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have really high performances, and are often combined with seasonal thermal energy storage so that the cold of winter can be utilized for summer air conditioning. Typical 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 due to the fact that the storage serves as a heat sink when the system remains in cooling (instead of charging) mode, triggering the temperature level to slowly increase during the cooling season. Some systems include an “economizer mode”, which is sometimes called a “free-cooling mode”. When economizing, the control system will open (fully or partly) the outdoors air damper and close (completely or partially) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will permit the need to be satisfied without utilizing the mechanical supply of cooling (typically chilled water or a direct expansion “DX” unit), hence conserving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outdoors air must 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 frequently set up in North American residences, workplaces, and public structures, but are tough to retrofit (install in a structure that was not created to get it) due to the fact that of the large duct required.

An alternative to packaged systems is making use of separate indoor and outdoor coils in split systems. Split systems are preferred and widely used around the world except in The United States and Canada. In The United States and Canada, split systems are usually seen in residential applications, however they are getting appeal in little business buildings.
The advantages of ductless cooling systems consist of easy setup, no ductwork, greater zonal control, flexibility of control and quiet operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Making use of minisplit can result in energy cost savings in area conditioning as there are no losses connected with 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 brief lengths of duct deal with air from the indoor unit to vents or diffusers around the spaces. Split systems are more effective and the footprint is normally smaller than the package systems.
