Top Rated AC & Heating Experts for emergency hvac near Sun City, AZ. Call +1 602-595-8544. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for home heating or cooling support services that are focused on home comfort solutions? The professionals at Just Air LLC sell, install, and repair HVAC units of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are unavoidable. At Just Air LLC, we supply an extensive array of heating and cooling solutions to meet each of your commercial HVAC installation, replacement, repair, and routine maintenance demands.
Emergency
HVAC Service
Emergencies may and definitely do occur, when they do, rest comfortably that we will will be there for you! Just Air LLC can easily provide emergency services at any moment of the day or night. Don’t hesitate to contact us the moment an emergency occurs!


24 Hour Service
We provide HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our many service options guarantees that your comfort demands are achieved within your timespan and also even your most worrisome heating and air conditioner troubles will be resolved today. Your time is precious– and our company will not keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our client’s total satisfaction, Just Air LLC is a leading provider of HVAC services. Serving residential properties and businesses within , we perform regular maintenance, repairs and new installations tailored to your needs and budget demands.
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 Sun City, AZ
Sun City is a census-designated place and unincorporated community in Maricopa County, Arizona, United States, that is within the Phoenix metropolitan area. The population was 37,499 according to the 2010 census. Its adjoining sister city is Sun City West. Both cities are retirement communities popular with snowbirds.
Multiple developments within this time frame preceded the beginnings of first convenience air conditioning system, which was developed in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Provider equipped the Sacketts-Wilhems Printing Business with the process Air Conditioning unit the exact same year. Coyne College was the very first school to provide A/C training in 1899.
Heaters are appliances whose function is to produce heat (i.e. heat) for the structure. This can be done by means of central heating. Such a system includes a boiler, heating system, or heat pump to heat water, steam, or air in a central location such as a heating system room in a house, or a mechanical space in a big structure.

Heating units exist for various kinds of fuel, including strong fuels, liquids, and gases. Another kind of heat source is electrical power, typically heating up ribbons composed of high resistance wire (see Nichrome). This concept is likewise used for baseboard heating systems and portable heating units. Electrical heating systems are frequently utilized as backup or extra heat for heatpump systems.
Heatpump can draw out heat from numerous sources, such as environmental air, exhaust air from a building, or from the ground. Heatpump transfer heat from outside the structure into the air inside. Initially, heat pump A/C systems were just utilized in moderate climates, however with improvements in low temperature operation and reduced loads due to more efficient homes, they are increasing in appeal in cooler environments.


The majority of contemporary hot water boiler heating systems have a circulator, which is a pump, to move warm water through the distribution system (instead of older gravity-fed systems). The heat can be transferred to the surrounding air utilizing radiators, hot water coils (hydro-air), or other heat exchangers. The radiators may be installed on walls or set up within the flooring to produce floor heat.
The heated water can also supply an auxiliary heat exchanger to provide hot water for bathing and washing. Warm air systems disperse heated air through duct systems of supply and return air through metal or fiberglass ducts. Many systems use the exact same ducts to distribute air cooled by an evaporator coil for a/c.
Insufficient combustion happens when there is insufficient oxygen; the inputs are fuels including various contaminants and the outputs are harmful by-products, a lot of alarmingly carbon monoxide, which is an unappetizing and odorless gas with serious unfavorable health results. Without proper 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 carry oxygen. The main health issues related to carbon monoxide gas direct exposure are its cardiovascular and neurobehavioral impacts. Carbon monoxide can trigger atherosclerosis (the hardening of arteries) and can also activate cardiac arrest. Neurologically, carbon monoxide gas direct exposure decreases hand to eye coordination, watchfulness, and constant efficiency.
Ventilation is the process of changing or replacing air in any space to manage temperature level or eliminate any mix of moisture, odors, smoke, heat, dust, air-borne germs, or carbon dioxide, and to replenish oxygen. Ventilation includes both the exchange of air with the outdoors along with blood circulation of air within the building.
Approaches for ventilating a structure may be divided into mechanical/forced and natural types. HVAC ventilation exhaust for a 12-story building Mechanical, or forced, ventilation is offered by an air handler (AHU) and utilized to control indoor air quality. Excess humidity, odors, and pollutants can frequently be controlled by means of dilution or replacement with outside air.
Bathroom and kitchens normally have mechanical exhausts to control odors and often humidity. Consider the style of such systems include the circulation rate (which is a function of the fan speed and exhaust vent size) and noise level. Direct drive fans are offered for many applications, and can decrease maintenance requirements.
Because hot air rises, ceiling fans may be used to keep a room warmer in the winter season by circulating the warm stratified air from the ceiling to the floor. Natural ventilation is the ventilation of a building with outdoors air without utilizing fans or other mechanical systems. It can be via operable windows, louvers, or drip vents when spaces are small and the architecture permits.
Natural ventilation plans can utilize extremely little energy, however care needs to be taken to ensure convenience. In warm or humid environments, maintaining thermal convenience solely through natural ventilation may not be possible. Cooling systems are utilized, either as backups or supplements. Air-side economizers also utilize outdoors air to condition areas, but do so using fans, ducts, dampers, and control systems to introduce and disperse cool outdoor air when suitable.
