Top Heating & Cooling Experts for central air conditioner Laveen, AZ. Dial +1 602-395-6034. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for residential heating or cooling services that are centered on total home comfort remedies? The experts at Donley Service Center sell, install, and fix HVAC units of all makes and models. Call us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are unavoidable. At Donley Service Center, we provide an extensive array of heating and cooling support services to meet each of your commercial HVAC installation, replacement, repair work, and maintenance needs.
Emergency
HVAC Service
Emergencies can and do occur, when they do, rest assured that our experts will be there for you! Donley Service Center can offer emergency services at any moment of the day or night. Never hesitate to call us the minute an emergency occurs!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our various service options ensures that your comfort requirements are fulfilled within your timespan and also even your most worrisome heating or air conditioner concerns will be resolved today. Your time is precious– and our team will not keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s complete satisfaction, Donley Service Center is a top provider of HVAC services. Serving homes and businesses throughout , we perform regular servicing, repairs and new installations tailored to your needs and budget demands.
Testimonials
Contact Us
Donley Service Center
11062 N 24th Ave, Phoenix, AZ 85029, United States
Telephone
+1 602-395-6034
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 negative with respect to outside the space. Positive pressure happens when there is more air being provided than tired, and is common to decrease the seepage of outdoors pollutants. Natural ventilation is an essential aspect in reducing the spread of air-borne health problems such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation requires little maintenance and is low-cost. An air conditioning system, or a standalone air conditioner, provides cooling and humidity control for all or part of a structure. Air conditioned structures frequently have actually sealed windows, due to the fact that open windows would work against the system meant to maintain constant indoor air conditions.
The portion of return air made up of fresh air can normally be manipulated by changing the opening of this vent. Normal fresh air consumption has to do with 10%. [] Air conditioning and refrigeration are provided through the elimination 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 important that the cooling horse power is adequate for the location being cooled. Underpowered cooling system will lead to power wastage and inefficient use. Sufficient horsepower is needed for any air conditioning unit installed. The refrigeration cycle utilizes 4 vital elements to cool. The system refrigerant begins its cycle in a gaseous state.
From there it gets in a heat exchanger (sometimes called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid stage. An (likewise called metering gadget) manages the refrigerant liquid to flow at the appropriate rate. The liquid refrigerant is returned to another heat exchanger where it is allowed to vaporize, for this reason the heat exchanger is often called an evaporating coil or evaporator.
In the procedure, heat is absorbed from inside and moved outdoors, resulting in cooling of the structure. In variable climates, the system may include a reversing valve that changes from heating in winter season to cooling in summer season. By reversing the circulation of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have extremely high performances, and are often integrated with seasonal thermal energy storage so that the cold of winter season can be used for summer season 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 due to the fact that the storage serves as a heat sink when the system is in cooling (instead of charging) mode, triggering the temperature level to slowly increase during the cooling season. Some systems consist of an “economizer mode”, which is sometimes called a “free-cooling mode”. When economizing, the control system will open (fully or partially) the outdoors air damper and close (completely or partially) the return air damper.
When the outside air is cooler than the required cool air, this will allow the need to be satisfied without using the mechanical supply of cooling (normally chilled water or a direct growth “DX” system), thus saving energy. The control system can compare the temperature level of the outside air vs.
In both cases, the outside air needs to be less energetic than the return air for the system to get in the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator unit are typically installed in North American homes, workplaces, and public buildings, however are hard to retrofit (set up in a structure that was not created to get it) since of the large air ducts required.

An alternative to packaged systems is the usage of different indoor and outdoor coils in split systems. Split systems are chosen and extensively used around the world except in The United States and Canada. In The United States and Canada, divided systems are frequently seen in property applications, but they are getting popularity in small commercial structures.
The advantages of ductless cooling systems include easy installation, no ductwork, higher zonal control, versatility of control and peaceful operation. [] In space conditioning, the duct losses can account for 30% of energy consumption. Using minisplit can result in 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 usually smaller sized than the plan systems.
