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R-Value of Insulation

R-Values 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, 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 how much insulation you need for your climate, use an insulation calculator or consult a local insulation contractor.

The effectiveness of an insulation material’s resistance to heat flow also depends on how and where the insulation is installed. For example, insulation that is compressed will not provide its full rated R-value. The overall R-value of a wall or ceiling will be somewhat different from the R-value of the insulation itself because heat flows more readily through studs, joists, and other building materials, in a phenomenon known as thermal bridging. In addition, insulation that fills building cavities densely enough to reduce airflow can also reduce convective heat loss.

Unlike traditional insulation materials, radiant barriers are highly reflective materials that re-emit radiant heat rather than absorbing it, reducing cooling loads. As such, a radiant barrier has no inherent R-value. Although it is possible to calculate an R-value for a specific radiant barrier orreflective insulation installation, the effectiveness of these systems lies in their ability to reduce heat gain by reflecting heat away from the living space.

The amount of insulation or R-value you'll need depends on your climate, type of heating and cooling system, and the part of the house you plan to insulate. To learn more, see our information on adding insulation to an existing house or insulating a new house. Also, remember that air sealing and moisture control are important to home energy efficiency, health, and comfort.


U.S. Department of Energy - Energy Efficiency and Renewable Energy

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License to Chill, Inc., is a Florida (FL) Cooling, Air Conditioning, Heat Pump, Ductless Mini-Split, and Heating repair, service, replacement, and maintenance Company located in Pompano Beach area. License to Chill, Inc. employs only the best technicians for air conditioner repair and ductless ac repair as well as all air conditioning replacement, ductless ac replacement and heater replacement. We offer emergency service to Pompano Beach FL, Margate FL, Coconut Creek FL, Coral Springs FL, Fort Lauderdale FL, Deerfield Beach FL, Boca Raton FL, Plantation FL, Dania FL, Hollywood FL, Lighthouse Point FL, and surrounding communities. So when you ask to find "A good air conditioning and heating repair or service company near me", you've come to the right place. To set-up a repair service estimate or replacement estimate, call (954) 931-2047. License to Chill, Inc. services all air conditioning, ductless AC, humidifier, filter, thermostat, and heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana, Daikin, Mitsubishi, Fujitsu, Goodman, American Standard, General, Aprilaire, Honeywell, White Rodgers, Dynamic, and Skuttle.
Schedule a Air Conditioner repair service in Fort Lauderdale FL
24 Hour Emergency Service!
Call (954) 931-2047 or,
Fill Out Our Online Form
131 SW 5th St. Pompano Beach, FL 33060
Monday - Friday: 8AM - 5PM
LICENSE: CMC1249456
State Certified Mechanical Contractor
Connect With Us
 
 
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