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Interpreting the Sound Ratings of a Unit
Decibel (dB) Comparisons Common Sounds This decibel (dBA) table compares some common sounds and shows how they rank in potential harm to hearing. In…
Sizing and Installation
RIGHT-SIZED AIR CONDITIONERS: MECHANICAL EQUIPMENT IMPROVEMENTS The ENERGY STAR Program promotes right-sized air conditioners where heating and cooling contractors carefully match system capacity to home…
Should You Have Your Ducts Cleaned?
You should consider having the air ducts in your home cleaned if: There is substantial visible mold growth inside hard surface (e.g., sheet metal) ducts…
Selecting an HVAC Contractor
10 Tips for Hiring a Heating and Cooling Contractor Study up — Find out about license and insurance requirements for contractors in your state. And…
Safety Tips for Flood Victims
Safety Tips for Flood Damage The U.S. Consumer Product Safety Commission (CPSC) recommends several safety tips to the victims of floods. This safety alert illustrates…
Designing a Zoning System Properly
The Golden Rules of Designing a Zoned System Here are six common sense rules we teach our people that will make designing systems a breeze.…
Residential Air-Cleaning Devices – A Summary
Introduction Indoor air pollutants are unwanted, sometimes harmful materials in the air. They range from dusts to chemicals to radon. Air cleaners are devices that…
R-Value of Insulation
An insulating material’s resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value -- the higher the R-value,…
A Not-so-Technical Explanation of How Air Conditioning Works
The "Not-So-Technical" Explanation of How an Air Conditioner Works An air conditioner is basically a refrigerator without the insulated box. An air conditioner is doing…
Money & Energy Saving Air Conditioning Tips
Air Conditioners It might surprise you to know that buying a bigger room air-conditioning unit won't necessarily make you feel more comfortable during the hot…