Top HVAC Experts for hvac emergency repair Laveen, AZ. Call +1 602-595-8544. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for residential heating and cooling support services that are focused on complete home comfort solutions? The professionals at Just Air LLC sell, install, as well as repair HVAC systems of all makes and models. Call us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are unavoidable. At Just Air LLC, we deliver an extensive variety of heating and cooling support services to meet all of your commercial HVAC installation, replacement, repair work, and servicing requirements.
Emergency
HVAC Service
Emergencies may and definitely do occur, and when they do, rest assured that we will will be there for you! Just Air LLC can supply emergency support 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 deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our various service options ensures that your comfort demands are fulfilled within your timespan and that even your trickiest heating and air conditioner issues 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 customer’s total satisfaction, Just Air LLC is a top provider of HVAC services. Serving residential properties and businesses within , we perform routine servicing, repairs and also new installations customized to your needs and budget guidelines.
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]
Space pressure can be either positive or unfavorable with respect to outside the space. Positive pressure occurs when there is more air being provided than tired, and is common to decrease the seepage of outside impurities. Natural ventilation is a key consider minimizing the spread of air-borne health problems such as tuberculosis, the common cold, influenza and meningitis.
Natural ventilation needs little upkeep and is low-cost. A cooling system, or a standalone a/c unit, provides cooling and humidity control for all or part of a structure. Air conditioned buildings frequently have sealed windows, since open windows would work versus the system planned to preserve consistent indoor air conditions.
The percentage of return air comprised of fresh air can normally be controlled by adjusting the opening of this vent. Common fresh air intake is about 10%. [] Cooling and refrigeration are supplied 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 a/c horse power suffices for the location being cooled. Underpowered air conditioning system will lead to power wastage and ineffective use. Adequate horsepower is required for any air conditioning unit installed. The refrigeration cycle uses 4 necessary elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it enters a heat exchanger (in some cases 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) regulates the refrigerant liquid to flow at the proper rate. The liquid refrigerant is gone back to another heat exchanger where it is enabled to evaporate, for this reason the heat exchanger is often called an evaporating coil or evaporator.
While doing so, heat is absorbed from inside your home and transferred outdoors, leading to cooling of the building. In variable climates, the system may include a reversing valve that changes from heating in winter season to cooling in summer. By reversing the flow of refrigerant, the heatpump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have extremely high effectiveness, and are sometimes combined with seasonal thermal energy storage so that the cold of winter season can be used for summertime a/c. Common 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 (as opposed to charging) mode, triggering the temperature level to gradually increase throughout the cooling season. Some systems include an “economizer mode”, which is often called a “free-cooling mode”. When economizing, the control system will open (completely or partly) the outside air damper and close (totally or partly) the return air damper.
When the outdoors air is cooler than the required cool air, this will allow the need to be met without utilizing the mechanical supply of cooling (normally cooled water or a direct growth “DX” unit), hence conserving energy. The control system can compare the temperature level of the outdoors 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 outside condenser/evaporator system are typically installed in North American houses, workplaces, and public buildings, however are tough to retrofit (install in a structure that was not created to receive it) because of the large air ducts required.

An option to packaged systems is making use of separate indoor and outside coils in split systems. Split systems are preferred and widely used around the world except in North America. In North America, split systems are most typically seen in domestic applications, but they are getting popularity in small commercial structures.
The benefits of ductless cooling systems consist of easy installation, no ductwork, greater zonal control, flexibility of control and peaceful operation. [] In space conditioning, the duct losses can represent 30% of energy usage. The use of minisplit can result in energy savings in space conditioning as there are no losses related to ducting.
Indoor units with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor systems install inside the ceiling cavity, so that brief lengths of duct handle air from the indoor unit to vents or diffusers around the spaces. Split systems are more efficient and the footprint is normally smaller sized than the plan systems.
