Best AC & Heating Pros for heat pump hvac Gretna, 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 and cooling services that are focused on home comfort solutions? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, and fix HVAC units of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we provide a comprehensive variety of heating and cooling solutions to meet each of your commercial HVAC installation, replacement, repair, and servicing requirements.
Emergency
HVAC Service
Emergencies can and do happen, when they do, rest comfortably that our team will be there for you! Keefe's Air Conditioning, Heating, & Electrical can easily offer emergency assistance at any time of the day or night. Don’t hesitate to call 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. One of our various service options promises that your comfort requirements are achieved within your time frame and that even your trickiest heating and air conditioner issues will be fixed today. Your time is valuable– and our company won’t keep you waiting!
25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s total satisfaction, Keefe's Air Conditioning, Heating, & Electrical is a leading provider of HVAC services. Serving residential properties and businesses throughout , we perform routine maintenance, repairs and new installations tailored 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 Gretna, LA
Gretna is the second-largest city in, and parish seat of, Jefferson Parish, Louisiana, United States.[4][5] Gretna lies on the west bank of the Mississippi River, just east and across the river from uptown New Orleans. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area. The population was 17,736 at the 2010 census.[6]
Gretna is located at 29°54′59″N 90°3′15″W / 29.91639°N 90.05417°W / 29.91639; -90.05417 (29.916459, -90.054260)[7] and has an elevation of 0 feet (0 m)[1]
behind the levee along the Mississippi River.
Space pressure can be either favorable or negative with regard to outside the room. Favorable pressure takes place when there is more air being provided than exhausted, and prevails to lower the infiltration of outside impurities. Natural ventilation is a crucial consider reducing the spread of air-borne diseases such as tuberculosis, the cold, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. A cooling system, or a standalone air conditioner, provides cooling and humidity control for all or part of a structure. Air conditioned structures often have sealed windows, since open windows would work versus the system planned to maintain constant indoor air conditions.
The portion of return air made up of fresh air can normally be controlled by adjusting the opening of this vent. Normal fresh air intake is about 10%. [] A/c and refrigeration are supplied 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 described as refrigerants.
It is vital that the a/c horsepower suffices for the area being cooled. Underpowered air conditioning system will cause power wastage and ineffective usage. Appropriate horse power is required for any ac system set up. The refrigeration cycle utilizes 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 stage. An (likewise called metering device) regulates the refrigerant liquid to stream at the proper rate. The liquid refrigerant is returned to another heat exchanger where it is permitted to vaporize, thus the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is absorbed from inside your home and transferred outdoors, leading to cooling of the building. In variable environments, the system might include a reversing valve that switches from heating in winter to cooling in summer. By reversing the flow 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 integrated with seasonal thermal energy storage so that the cold of winter can be utilized for summer 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 heatpump is added-in because the storage functions as a heat sink when the system remains in cooling (as opposed to charging) mode, triggering 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 outside air damper and close (fully or partially) the return air damper.
When the outside air is cooler than the required cool air, this will enable the need to be met without utilizing the mechanical supply of cooling (normally chilled water or a direct expansion “DX” unit), therefore saving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outdoors air needs to 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 outside condenser/evaporator unit are frequently set up in North American houses, offices, and public buildings, but are challenging to retrofit (install in a structure that was not designed to get it) since of the bulky duct required.
An alternative to packaged systems is the usage of different indoor and outdoor coils in split systems. Split systems are preferred and commonly used around the world except in The United States and Canada. In The United States and Canada, divided systems are frequently seen in residential applications, but they are gaining popularity in small commercial structures.
The advantages of ductless air conditioning systems consist of easy installation, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy intake. The 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 rooms. Split systems are more efficient and the footprint is typically smaller sized than the bundle systems.