Top Rated AC & Heating Experts for cost of new hvac system Harvey, 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 total home comfort remedies? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, as well as repair HVAC systems of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At Keefe's Air Conditioning, Heating, & Electrical, we supply an extensive variety of heating as well as cooling solutions to meet all of your commercial HVAC installation, replacement, repair, and servicing demands.
Emergency
HVAC Service
Emergencies can and definitely do happen, and when they do, rest assured that we will will be there for you! Keefe's Air Conditioning, Heating, & Electrical can supply emergency support at any moment of the day or night. Don’t hesitate to call us the minute an emergency occurs!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our various service options ensures that your comfort demands are met within your time frame and also even your most worrisome heating or air conditioner problems will be handled today. Your time is valuable– and our company will never keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our client’s complete satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a top provider of HVAC services. Serving homes and businesses within , we complete regular servicing, repair work and also new installations modified to your needs and budget demands.
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 Harvey, LA
Harvey is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. Harvey 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 majority-minority population was 20,348 at the 2010 census,[1] down from 22,226 at the 2000 census.
Harvey is located east of the Intracoastal Canal on the Mississippi River, at coordinates 29°53′28″N 90°04′09″W / 29.89111°N 90.06917°W / 29.89111; -90.06917. It is bordered to the east by Gretna, to the west by Marrero, to the southwest by Woodmere, and to the north, across the Mississippi, by New Orleans. The closest highway crossing of the river is the Crescent City Connection 4 miles (6 km) northeast of Harvey.
Space pressure can be either favorable or unfavorable with respect to outside the space. Positive pressure takes place when there is more air being supplied than tired, and is common to reduce the seepage of outside pollutants. Natural ventilation is a key element in minimizing the spread of airborne illnesses such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. An a/c system, or a standalone a/c unit, supplies cooling and humidity control for all or part of a structure. Air conditioned structures frequently have actually sealed windows, due to the fact that open windows would work versus the system planned to preserve constant indoor air conditions.
The portion of return air comprised of fresh air can typically be manipulated by changing the opening of this vent. Normal fresh air consumption has to do with 10%. [] Cooling and refrigeration are provided through the removal of heat. Heat can be eliminated through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are referred to as refrigerants.

It is imperative that the air conditioning horsepower is sufficient for the area being cooled. Underpowered cooling system will cause power wastage and ineffective use. Adequate horsepower is required for any ac system installed. The refrigeration cycle uses four necessary aspects to cool. The system refrigerant begins its cycle in a gaseous state.
From there it enters a heat exchanger (often 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) regulates the refrigerant liquid to flow 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 typically called an evaporating coil or evaporator.
While doing so, heat is taken in from inside and transferred outdoors, resulting in cooling of the structure. In variable environments, the system might consist of a reversing valve that switches from heating in winter season 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 sometimes combined with seasonal thermal energy storage so that the cold of winter season can be used for summer season air conditioning. Typical storage mediums are deep aquifers or a natural underground rock mass accessed through a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heatpump is added-in because the storage serves as a heat sink when the system is in cooling (rather than 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 (completely or partially) the outside 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 demand to be satisfied without using the mechanical supply of cooling (normally cooled water or a direct growth “DX” system), therefore saving energy. The control system can compare the temperature level of the outdoors air vs.
In both cases, the outdoors 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 package systems) with a combined outside condenser/evaporator system are typically set up in North American homes, offices, and public structures, but are tough to retrofit (install in a structure that was not designed to receive it) due to the fact that of the large air ducts needed.

An alternative to packaged systems is the use of different indoor and outdoor coils in split systems. Split systems are chosen and extensively used around the world except in The United States and Canada. In North America, divided systems are usually seen in property applications, however they are getting appeal in little business structures.
The benefits of ductless a/c systems consist of easy setup, no ductwork, higher 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 lead to energy cost savings in area conditioning as there are no losses associated with ducting.
Indoor systems with directional vents mount onto walls, suspended from ceilings, or suit the ceiling. Other indoor units install inside the ceiling cavity, so that brief lengths of duct deal with air from the indoor system to vents or diffusers around the spaces. Split systems are more effective and the footprint is generally smaller than the package systems.
