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Looking For an Affordable & Quality HVAC Service (cooling/heating repair or install or just a quote)?

Get an Instant & Free Quote Right Now? Submit Your Zip Code:

Submit Zip Code Now:

There are hundreds of quality HVAC companies in the united states. These companies offer HVAC products itself (A/C, heat pump, compressor, etc.), and they offer installation or repair work. Here is a list of few quality and reputable HVAC manufacturers in the US:

  1. Gra
  2. Pvi
  3. Als
  4. Sun
  5. Ace
  6. Icp
  7. Dmo
  8. Fin
  9. Btb
  10. Gmc
  11. Ac2
  12. Eca
  13. Itt
  14. Ajax
  15. Aaon
  16. Rite
  17. Ruud
  18. Heil
  19. Zurn
  20. Kerr
  21. York
  22. Arco
  23. Bohn
  24. Bard
  25. Afco
  26. Easco
  27. Utica
  28. Trane
  29. Basis
  30. Bryan
  31. Evcon
  32. Sharp
  33. Sears
  34. Amana
  35. Sanyo
  36. Xenon
  37. Rheem
  38. Payne
  39. Airco
  40. Olsen
  41. Haier
  42. Miura
  43. Laars
  44. Jarco
  45. Adams
  46. Aerco
  47. Slant
  48. Fasco
  49. Delco
  50. Crane
  51. Crown
  52. Biasi
  53. Arkla
  54. Clare
  55. Tappan
  56. Airpro
  57. Newmac
  58. Miller
  59. Eubank
  60. United
  61. Parker
  62. Goettl
  63. Unilux
  64. Pennco
  65. Axeman
  66. Gibson
  67. Raypak
  68. Bryant
  69. Daikin
  70. Thermo
  71. Dayton
  72. Proflo
  73. Futera
  74. Choice
  75. Ducane
  76. Servel
  77. Maytag
  78. Malibu
  79. Lennox
  80. Edison
  81. Mcquay
  82. Mcgraw
  83. Homart
  84. Philco
  85. Custom
  86. Fulton
  87. Niagra
  88. Rybolt
  89. Singer
  90. Burnham
  91. Unitary
  92. Central
  93. Carrier
  94. Coleman
  95. Buderus
  96. Samsung
  97. Mckenna
  98. Ariston
  99. Polaris
  100. Century
  101. Bdp Co.
  102. Aquacal
  103. Nordyne
  104. Buy Max
  105. Addison
  106. Goodman
  107. Lattner
  108. Concord
  109. Luxaire
  110. Kewanee
  111. Kenmore
  112. Everest
  113. Skymark
  114. Emerson
  115. Dunkirk
  116. Hitachi
  117. Trianco
  118. Spartan
  119. Pro Flo
  120. Tadiran
  121. Fedders
  122. Lincoln
  123. Gaffers
  124. Sattler
  125. Marvair
  126. Johnson
  1. Johnson
  2. Mammoth
  3. Nesbitt
  4. Airtemp
  5. Fujitsu
  6. Aircore
  7. Moncrief
  8. Airquest
  9. Klimaire
  10. Keeprite
  11. Square D
  12. Hamilton
  13. Hallmark
  14. Munchkin
  15. Goldstar
  16. National
  17. Mitchell
  18. Aire-Flo
  19. Majestic
  20. Air Ease
  21. Glowcore
  22. Peerless
  23. Aire Flo
  24. Tempstar
  25. Dornback
  26. Fandaire
  27. Duomatic
  28. Delonghi
  29. Hastings
  30. Koldwave
  31. Suburban
  32. Columbia
  33. Ao Smith
  34. Arcoaire
  35. Janitrol
  36. Spectrum
  37. Evap-Cond
  38. Williams
  39. Waterbury
  40. Thermaflo
  41. Southwest
  42. Universal
  43. Whirlpool
  44. Round Oak
  45. Gasmaster
  46. Maratherm
  47. Evolution
  48. Mayflower
  49. Medallion
  50. Continuum
  51. Lochinvar
  52. Multitemp
  53. Proseries
  54. Thermific
  55. Hall-Neal
  56. Super Hot
  57. Boyertown
  58. Friedrich
  59. Quietside
  60. Slant/Fin
  61. Armstrong
  62. Centurion
  63. Viessmann
  64. Precision
  65. Kelvinator
  66. Allied Air
  67. Smith Cast
  68. Frigidaire
  69. Williamson
  70. Mitsubishi
  71. Water Wise
  72. Bryant Htg
  73. Torridheet
  74. Hydrotherm
  75. Coolerator
  76. Perfection
  77. Intertherm
  78. Magic Chef
  79. Cumberland
  80. Day & Night
  81. Worthington
  82. Heil-Quaker
  83. Dunham-Bush
  84. Comfortaire
  85. Weil Mclain
  86. Oil-O-Matic
  87. Weil-Mclain
  88. Style Crest
  89. Weatherking
  90. Capitolaire
  91. Goodman Mfg
  92. Westinghouse
  93. Thermo Pride
  94. Consolidated
  95. Sanyo Fisher
  96. Waterfurnace
  97. Command-Aire
  98. Oneida Royal
  99. Comfortmaker
  100. Thermal Zone
  101. Climatemaster
  102. Gas Immersion
  103. Enviro Master
  104. American Best
  105. Iron Fireman
  106. Mcgraw Edison
  107. Green Colonial
  108. Bradford White
  109. Clare Brothers
  110. Cleaver Brooks
  111. Stewart Warner
  112. Duomatic Olsen
  113. Thermoproducts
  114. Fraser Johnston
  115. Axeman Anderson
  116. Thermo Dynamics
  117. Service Experts
  118. National Comfort
  119. Silent Automatic
  120. General Electric
  121. Space Conditioner
  122. Mueller Climatrol
  123. American Standard
  124. Ecr International
  125. Thermal Solutions

We have been offering our visitors estimates from local HVAC contractors for years. The consumer describes his basic project needs by answering few important questions on our forms (starting by the zip code submission above), and we route these data to the most suitable HVAC contractor. They will study the project and offer 100% free and no obligation estimate.


Our contractors are specialized in every aspect of the HVAC industry including the installation and repair of boilers, furnaces, central air conditioners, heat pumps and more. You can choose the desired brand, and our licensed professionals can install it for you. Our network of contractors installed, maintained and repaired all kinds of HVAC equipments whether it is operated by natural gas or electricity or oil, they have done it all.


Our estimates are 100% Free, there is obligation at all, and we offer you 1-4 estimates from various contractors. The number of offered estimates depends completely on your address since our window contractor partners service certain areas only. We strive to offer you the quality service that may help you to choose the right contractor for your home.


Useful HVAC Articles

  1. Boilers: Brief Overview
  2. Heat Pump
  3. Central Air Conditioner
  4. Furnaces: Brief Overview
  5. Selecting central A/C BTU
  6. Buderus HVAC
  7. Burnham HVAC
  8. Carrier HVAC
  9. Chiller HVAC
  10. Goodman HVAC
  11. Lennox HVAC
  12. Peerless HVAC
  13. Rheem HVAC
  14. Trane HVAC
  15. Weil McLain HVAC


Central Air Conditioning

The central air conditioner has revolutionized the way facilities are supplied with heating and cooling in today's society since its existence. Also known as HVAC-Heating Ventilation and Air Conditioning, the objective of a centralized air conditioner is to condition the air within a facility for comfort, throughout the entire facility simultaneously. As with air conditioners of the past, these units had primarily one function and served as a stand-alone unit to only focus on the particular area in which it was placed. Typically, these units were used to only supply rooms with cool air and thus only used during hot summer months. The typical stand-alone air conditioner was a successor of the traditional oscillating fan, which was even more limited in its cooling function as well as the capacity to which a room or area could be cooled. The central air conditioner combated all of the problems of its predecessors through an intricate refrigerant and air duct system that allows for regulatory air conditioning on a much larger scale.

The Cooling Process by Which the Central Air Conditioner Functions

The central air conditioner uses a duct system to distribute air about multiple areas within a facility. These units are most noticed and applied in homes and building structures such as the workplace. Some more modernized apartments complexes also utilize the centralized air conditioning unit.

The ducts used to distribute air are set-up within the actual structure of a building or home's walls and releases in various areas within the facility through air vents. These ducts can range in diameter anywhere from a half foot and up depending on the building structure it is servicing. There are also mini air ducts, that are as small as 2 inches in diameter, that are used for a higher velocity of air flow where more energy is being exerted as well.

The unit by which conditions the air itself is actually a system of utilizing the available air within the structure versus the creation of new air, as many people may believe. For cooling the air, a refrigerant system is used to chill the surrounding air within structure to a set temperature of comfort. This works by way of extracting existing air and running it through a filtration system within the unit. Return ducts are used to draw in the surrounding air as it is ran through condensers and compressors for dehumidification. The filters in which this air passes also helps in purifying the air from pollutants before being returned to the establishment during the chill cycle. These air processors are generally set up outside of the actual building structure, as they are very bulky and noisy.

The Heating Process by Which the Central Air Conditioner Functions

When it comes to heating a facility, the process of conditioning the air is similar. Surrounding air is conditioned via a heat pump before being redistributed back into the treated area. Heating coils are used to warm the passing air as it is released into the air ducts for distribution. A thermostat regulates the temperature of the air and is usually found close to the indoor portion of the unit itself, which contains the actual heat pump.

Most central air conditioning units have an exhaust mechanism as well, which typically sits atop of some building structure. This unit extracts dry and humid air from the building itself by way of reverse oscillation and releases this air outside of the home or building structure. During hot summer months, some may use this feature as an alternative to running the air cooling part of the system to save on energy. Once dry and humid air is removed, a more chilled and comfortable air flow about an establishment is left. This feature is separate from the heating and cooling air unit itself and can usually function from a simple flip of the switch. This exhaust system is also good for extracting smoke from small fires or over cooking within the establishment, although should not be primarily relied on as a source of safety when it comes to fires and heavy smoke.

Because the central air conditioner can heat and cool an establishment simultaneously, it provides much convenience and efficiency when trying to service multiple parties within that establishment. Some drawbacks, however, to the use of this unit includes comforting one person while discomforting another. Where one person may turn on the unit to chill an establishment to their liking, this means that every room and area within the establishment will also receive the same amount of chilled air at that temperature. To combat this however, there are vent enclosures that can cut off air supply to that particular area. Another added accessory may be to also purchase a ventilation cover for added protection against unwanted air flow.

Another concern with the centralized unit is energy efficiency. Because these units have a larger task at distributing air evenly and simultaneously, it therefore requires the use of more energy to acquire this. This can also be combated through the use timers that turn the unit off during non use. Also, setting the unit to the desired temperature will automatically shut off the system once that temperature is reached. For even more efficiency, one can shop for a unit with an energy star rating. Energy star rated units are units that have passed inspection of energy efficiency, set by the US Environmental Protection Agency. These units will generally have a blue and white sticker with a star logo affixed for acknowledgement. Some vendors that pride themselves on supplying energy star rated units include; Toyo, Mitsubishi, Maytag and GE. These units and their features can be found at any supplier of air conditioning units, both online and in department stores. Some quality online sources includes Amazon.com and geappliances.com, while places like Home Depot, Lowes and Sears are great department and home improvement stores to seek out these energy efficient central air conditioning units.