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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 â€” Find out about license and insurance requirements for contractors in your state. And before you call a contractor, know the model of your current system and its maintenance history. Also, make note of any uncomfortable rooms. This will help potential contractors better understand your heating needs. Ask for referrals â€” Ask friends, neighbors, and co-workers for contractor referrals. You can also contact local…

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 some dangerous practices which consumers may be tempted to engage in during efforts to rebuild or while staying in temporary housing, tents or partially damaged homes. This information is provided in an effort to prevent injuries and deaths from consumer products as flood survivors make new beginnings. “We hope this…

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. When you design a zoned system you should follow these guidelines as much as possible when grouping rooms together to form a zone: 1) Never combine different floors on the same zone. The fact that hot air rises, and cold air falls will sink you before you even begin. As…

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 attempt to remove such pollutants from the indoor air you breathe. The typical furnace filter installed in the ductwork of most home heating and/or air-conditioning systems is a simple air cleaner. This basic filtering system may be upgraded by using another filter to trap additional pollutants or by adding additional…

R-Value of Insulation

An insulating materialâ€™s resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value — the higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of insulation, its thickness, and its density. When calculating the R-value of a multilayered installation, add the R-values of the individual layers. Installing more insulation in your home increases the R-value and the resistance to heat flow. To determine…