Top Rated HVAC Pros for horizon hvac Harvey, LA. Dial +1 800-349-3918. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating and cooling services that are focused on complete home comfort solutions? The specialists at Keefe's Air Conditioning, Heating, & Electrical sell, install, and also fix HVAC systems of all makes and models. Call us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are inevitable. At Keefe's Air Conditioning, Heating, & Electrical, we provide a comprehensive variety of heating as well as cooling support services to meet every one of your commercial HVAC installation, replacement, repair work, and servicing needs.
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 easily provide emergency support at any moment of the day or night. Don’t hesitate to contact us the moment an emergency occurs!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our countless service options promises that your comfort requirements are met within your time frame and that even your trickiest heating or air conditioner problems will be resolved today. Your time is precious– and our experts will never 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 residential properties and businesses throughout , we complete routine servicing, repairs and new installations customized 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.
Multiple developments within this time frame preceded the starts of first convenience a/c system, which was created in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Provider equipped the Sacketts-Wilhems Printing Company with the process Air Conditioning system the exact same year. Coyne College was the first school to offer A/C training in 1899.
Heating systems are home appliances whose function is to create heat (i.e. warmth) for the structure. This can be done through central heating. Such a system includes a boiler, heater, or heatpump to heat water, steam, or air in a main location such as a heating system room in a home, or a mechanical space in a big building.

Heating systems exist for various kinds of fuel, including solid fuels, liquids, and gases. Another type of heat source is electrical power, normally warming ribbons composed of high resistance wire (see Nichrome). This principle is likewise utilized for baseboard heating units and portable heaters. Electrical heating units are often utilized as backup or extra heat for heat pump systems.
Heat pumps can extract heat from various sources, such as environmental air, exhaust air from a building, or from the ground. Heat pumps transfer heat from outside the structure into the air inside. At first, heatpump HEATING AND COOLING systems were only used in moderate environments, however with enhancements in low temperature operation and minimized loads due to more efficient houses, they are increasing in popularity in cooler environments.


A lot of modern-day warm water boiler heating systems have a circulator, which is a pump, to move hot water through the distribution system (as opposed to older gravity-fed systems). The heat can be moved to the surrounding air using radiators, warm water coils (hydro-air), or other heat exchangers. The radiators may be mounted on walls or set up within the flooring to produce floor heat.
The heated water can also supply an auxiliary heat exchanger to supply warm water for bathing and washing. Warm air systems distribute heated air through duct systems of supply and return air through metal or fiberglass ducts. Lots of systems utilize the same ducts to distribute air cooled by an evaporator coil for air conditioning.
Incomplete combustion occurs when there is inadequate oxygen; the inputs are fuels consisting of various contaminants and the outputs are damaging by-products, most precariously carbon monoxide, which is an unsavory and odor-free gas with serious unfavorable health effects. Without appropriate ventilation, carbon monoxide gas can be lethal at concentrations of 1000 ppm (0.1%).
Carbon monoxide binds with hemoglobin in the blood, forming carboxyhemoglobin, lowering the blood’s ability to transport oxygen. The main health issues associated with carbon monoxide exposure are its cardiovascular and neurobehavioral effects. Carbon monoxide gas can trigger atherosclerosis (the hardening of arteries) and can likewise set off cardiac arrest. Neurologically, carbon monoxide gas direct exposure minimizes hand to eye coordination, watchfulness, and continuous performance.
Ventilation is the process of altering or changing air in any space to control temperature level or remove any combination of wetness, smells, smoke, heat, dust, airborne germs, or co2, and to renew oxygen. Ventilation includes both the exchange of air with the outside in addition to blood circulation of air within the building.
Methods for ventilating a structure may be divided into mechanical/forced and natural types. A/C ventilation exhaust for a 12-story structure Mechanical, or required, ventilation is offered by an air handler (AHU) and utilized to control indoor air quality. Excess humidity, odors, and impurities can typically be controlled via dilution or replacement with outdoors air.
Bathroom and kitchens normally have mechanical exhausts to control smells and often humidity. Aspects in the design of such systems consist of the circulation rate (which is a function of the fan speed and exhaust vent size) and sound level. Direct drive fans are available for many applications, and can reduce upkeep needs.
Since hot air rises, ceiling fans might be used to keep a room warmer in the winter season by distributing the warm stratified air from the ceiling to the flooring. Natural ventilation is the ventilation of a structure with outdoors air without using fans or other mechanical systems. It can be by means of operable windows, louvers, or trickle vents when spaces are little and the architecture permits.
Natural ventilation schemes can use really little energy, but care needs to be required to make sure comfort. In warm or damp climates, keeping thermal convenience exclusively via natural ventilation might not be possible. A/c systems are utilized, either as backups or supplements. Air-side economizers also use outdoors air to condition spaces, but do so using fans, ducts, dampers, and control systems to introduce and disperse cool outside air when suitable.
