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We are husband and wife HVAC contractors who started in 1988. We formed this web site so consumers could have an educational place to go for good, solid information. We are not trying to sell you anything. We just want pass on years of research, trial and error, and our street knowledge. Hopefully you will find it useful, helpful and enjoyable. Maybe we can even make you smile.
February 26, 2024
McQuay Air Conditioning

McQuay First Air Conditioner Classroom Unit By Betty Stephens   McQuay International is a global corporation that designs, manufactures and sells heating, ventilation and air conditioning (HVAC) products, systems, parts and services for commercial buildings. Since 2006, McQuay has been a subsidiary of Daikin Industries, Ltd. McQuay world headquarters are located in Minneapolis, MN, USA. […]

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February 25, 2024
Portable A/C & Spot Cooling Units

Portable A/C Units/Spot Cooling    By Betty Stephens Portable Air Conditioner or Spot Cooler A spot cooler is a portable, self-contained air conditioner used to cool a space. The entire unit is portable and can be moved to another space, if needed. The spot coolers are completely self-contained and do not have condensing units that need […]

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February 25, 2024
Importance of Using Micron Guages on 410A Systems

Use Micron Gauges When Installing New R410A Systems By Betty Stephens Recently a new refrigerant, R-410A, has been formulated and currently is being used in the HVAC/R industry. It was developed primarily because the production of R-22 is scheduled to stop soon as mandated by the Environmental Protection Agency (EPA). R-410A is intended for use […]

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February 23, 2024
PTAC's, Split Ductless Systems

PTACs - Split Ductless Systems    By Betty Stephens The System PTAC (packaged terminal systems) are also known as wall-split air conditioning systems or ductless systems. These PTAC systems which are frequently used in hotels have two separate units, the evaporative unit on the interior and the condensing unit on the exterior, with tubing passing through […]

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February 21, 2024
Target Hacking Attack Linked to HVAC Contractor's Computer

Hacking Target By Betty Stephens The hackers who stole millions of customers' credit and debit card numbers from Target may have used a Pittsburgh-area heating and refrigeration business as the way to get in through a back door. Experts believe the thieves gained access during the busy holiday season to about 40 million credit and […]

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February 20, 2024
Callahan Roach

Callahan-Roach Flat Rate Price Books and Software. This is a trend and the wave of the future. Read and link to article printed in Dallas Morning News on Thursday Jan. 9, 2014. http://www.dallasnews.com/business/small-business/20140108-arlington-niche-publisher-moves-toward-digital-transformation-to-ensure-future.ece

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February 19, 2024
Drop-In Refrigerants

Drop-in Refrigerants Replace R22, that Mix w/ R22 By Betty Stephens R22 Drop In Replacement R22 is the most common refrigerant in residential and light commercial A/C applications. It has been phased out due to damage that it does to the ozone layer, so availability is limited to existing stockpiles and refrigerant recovered from decommissioned […]

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February 19, 2024
What Happens To My Old Unit?

Recycle Old Cooling Units By Betty Stephens How do you properly dispose of an old air conditioner? When replacing an air conditioner with a new model, what should you do with the old unit? Can an air conditioner be disposed of in the trash? What is the best way to dispose of an air conditioner? […]

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February 18, 2024
Ocean Wave Energy

Australia Set to Deploy the World's Largest Wave Energy Device http://oilprice.com/Latest-Energy-News/World-News/Australia-Set-to-Deploy-the-Worlds-Largest-Wave-Energy-Device.html       "> Please Enable Javascript for this Energy widget to work

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February 18, 2024
World Energy Consumption

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February 17, 2024
Feels Good To Laugh

     

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February 17, 2024
Heated and Cooled Seats in Cars!

Heating and Cooling Car Seats By Betty Stephens Air Conditioned Seats A standard model for air-conditioned seats, developed by scientists at the Department of Energy's National Renewable Energy Laboratory (NREL), works like this: The fabric of the car seat is a porous mesh, so air can flow through it. Multiple fans inside the seat produce […]

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