Top HVAC Experts for emergency hvac Laveen, AZ. Dial +1 602-595-8544. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating and cooling support services that are centered on home comfort solutions? The professionals at Just Air LLC sell, install, and also repair HVAC units of all makes and models. Get in touch with us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are unavoidable. At Just Air LLC, we provide an extensive variety of heating as well as cooling support services to meet every one of your commercial HVAC installation, replacement, repair work, and servicing demands.
Emergency
HVAC Service
Emergencies can and do happen, when they do, rest assured that our team will be there for you! Just Air LLC can easily deliver emergency services at any moment of the day or night. Never hesitate to get in touch with us the moment an emergency happens!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our many service options promises that your comfort requirements are achieved within your time frame and also even your trickiest heating or air conditioner concerns 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 client’s complete satisfaction, Just Air LLC is a top provider of HVAC services. Serving residential properties and businesses throughout , we perform regular servicing, repair work and also new installations customized to your needs and budget requirements.
Testimonials
Contact Us
Just Air LLC
15211 N Cave Creek Rd, Phoenix, AZ 85032, United States
Telephone
+1 602-595-8544
Hours
Open 24 hours
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More About Laveen, AZ
Laveen /ləˈviːn/ is an “urban village” within the city of Phoenix in Maricopa County, Arizona, United States, situated eight miles (13 km) southwest of Downtown Phoenix between South Mountain and the confluence of the Gila and Salt rivers.[1] Parts of Laveen constitute an unincorporated community in Maricopa County, while the remainder falls within the city limits of Phoenix, constituting the city’s “Laveen Village”. Laveen Village is split between District 7 and District 8, both notable as minority-majority districts for the city. Although Laveen has been home to “pastoral alfalfa, cotton, and dairy farms”[2] since the 1880s, housing and commercial developments have been increasingly urbanizing the area.
The Laveen area was first settled by farmers and dairymen in 1884. Despite its proximity to Phoenix, the community was isolated from its larger neighbor by the Salt River, which until the Roosevelt Dam was completed in 1911 carried water year-round. The only bridged crossing was at Central Avenue, more than six miles (10 km) away.[3][4] Because of its isolation, like the rest of south Phoenix early Laveen was autonomous of Phoenix and became relatively self-sufficient, supporting two general stores, a barbershop, repair garage, two pool halls, and a building for the Laveen Women’s Club. These businesses served as important gathering places for the greater Laveen community, which includes modern south Phoenix and the neighboring Gila River Indian Community (GRIC).[3]
Room pressure can be either positive or unfavorable with regard to outside the space. Favorable pressure takes place when there is more air being provided than exhausted, and is common to reduce the infiltration of outdoors impurities. Natural ventilation is a key consider decreasing the spread of air-borne diseases such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation needs little maintenance and is affordable. An air conditioning system, or a standalone air conditioning unit, supplies cooling and humidity control for all or part of a building. Air conditioned structures typically have actually sealed windows, because open windows would work against the system planned to preserve consistent indoor air conditions.
The percentage of return air comprised of fresh air can normally be controlled by changing the opening of this vent. Typical fresh air consumption is about 10%. [] Cooling and refrigeration are provided 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 described as refrigerants.

It is essential that the cooling horsepower is sufficient for the area being cooled. Underpowered a/c system will cause power waste and ineffective usage. Adequate horse power is needed for any ac system set up. The refrigeration cycle uses four vital components to cool. The system refrigerant starts its cycle in a gaseous state.
From there it gets in a heat exchanger (often called a condensing coil or condenser) where it loses energy (heat) to the outside, cools, and condenses into its liquid phase. An (also called metering device) controls the refrigerant liquid to flow 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.
In the procedure, heat is absorbed from inside and moved outdoors, resulting in cooling of the building. In variable climates, the system might consist of a reversing valve that changes from heating in winter season to cooling in summer. By reversing the circulation of refrigerant, the heatpump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have extremely high performances, and are in some cases 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 via 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 (instead of charging) mode, causing the temperature to gradually increase during the cooling season. Some systems include an “economizer mode”, which is in some cases called a “free-cooling mode”. When economizing, the control system will open (completely or partly) the outdoors air damper and close (totally or partly) the return air damper.
When the outside air is cooler than the demanded cool air, this will allow the need to be fulfilled without using the mechanical supply of cooling (generally cooled water or a direct expansion “DX” unit), thus saving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outside air should be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator system are often installed in North American homes, offices, and public buildings, but are difficult to retrofit (install in a structure that was not developed to get it) due to the fact that of the large air ducts required.

An alternative to packaged systems is using separate indoor and outside coils in split systems. Split systems are chosen and widely used worldwide other than in North America. In North America, divided systems are most frequently seen in domestic applications, however they are acquiring popularity in small commercial buildings.
The advantages of ductless air conditioning systems include easy installation, no ductwork, greater zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can account for 30% of energy intake. Making 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 brief lengths of duct manage air from the indoor unit to vents or diffusers around the rooms. Split systems are more efficient and the footprint is typically smaller sized than the plan systems.
