Top Rated Heating & Cooling Experts for hvac courses Luling, LA. Call +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for residential heating or cooling support services that are focused on complete home comfort solutions? The professionals at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as fix HVAC systems 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 provide a comprehensive range of heating as well as cooling support services to meet every one of your commercial HVAC installation, replacement, repair work, and servicing requirements.
Emergency
HVAC Service
Emergencies will and do develop, and when they do, rest comfortably that our experts will be there for you! Keefe's Air Conditioning, Heating, & Electrical can easily offer emergency support at any time of the day or night. Never hesitate to contact us the second an emergency occurs!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our many service options guarantees that your comfort needs are fulfilled within your timespan and that even your most worrisome heating or air conditioner troubles will be fixed today. Your time is valuable– and our team 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 leading provider of HVAC services. Serving homes and businesses throughout , we complete routine servicing, repairs as well as new installations tailored to your needs and budget requirements.
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 exhausted, and is common to minimize the seepage of outside impurities. Natural ventilation is a crucial aspect in minimizing the spread of air-borne illnesses such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation requires little upkeep and is inexpensive. A cooling system, or a standalone air conditioning unit, provides cooling and humidity control for all or part of a building. Air conditioned structures typically have sealed windows, since open windows would work against the system planned to maintain continuous indoor air conditions.
The percentage of return air comprised of fresh air can generally be controlled by changing the opening of this vent. Typical fresh air intake is about 10%. [] Cooling and refrigeration are offered through the removal of heat. Heat can be gotten rid of 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 air conditioning horsepower is sufficient for the location being cooled. Underpowered a/c system will result in power waste and inefficient use. Adequate horsepower is required for any a/c unit set up. The refrigeration cycle utilizes 4 vital components to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into 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 stage. An (likewise called metering gadget) manages the refrigerant liquid to flow at the appropriate rate. The liquid refrigerant is gone back to another heat exchanger where it is allowed to evaporate, hence the heat exchanger is typically called an evaporating coil or evaporator.
While doing so, heat is taken in from inside your home and moved outdoors, resulting in cooling of the structure. In variable environments, the system may include a reversing valve that changes from heating in winter season to cooling in summer season. By reversing the circulation of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have very high performances, and are in some cases combined with seasonal thermal energy storage so that the cold of winter season can be utilized for summer season a/c. 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 functions as a heat sink when the system is in cooling (instead of charging) mode, triggering the temperature level to slowly increase throughout 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 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 allow the demand to be fulfilled without utilizing the mechanical supply of cooling (typically cooled water or a direct growth “DX” system), therefore saving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outside air must 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 frequently set up in North American residences, workplaces, and public structures, but are hard to retrofit (set up in a building that was not designed to receive it) since of the large duct needed.

An option to packaged systems is using different indoor and outside coils in split systems. Split systems are chosen and widely utilized around the world other than in The United States and Canada. In North America, divided systems are usually seen in property applications, however they are getting popularity in little business structures.
The advantages of ductless a/c systems consist of simple setup, no ductwork, greater zonal control, flexibility of control and quiet operation. [] In space conditioning, the duct losses can account for 30% of energy usage. The use of minisplit can lead to energy savings in area conditioning as there are no losses associated with ducting.
Indoor units with directional vents install onto walls, suspended from ceilings, or suit the ceiling. Other indoor systems install inside the ceiling cavity, so that short lengths of duct handle air from the indoor unit to vents or diffusers around the spaces. Split systems are more effective and the footprint is generally smaller than the plan systems.
