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Tech Shield Radiant Barrier Decking

Louisiana-Pacific provided the Tech Shield Radiant Barrier Decking for our Project House LP’s Tech Shield Radiant Barrier OSB Decking is a normal piece of Oriented Strand Board with a laminated layer of shiny material on one side. Tech Shield Radiant Barrier Decking acts as a low-e (for low emissivity) & high reflectivity system (just like on low-E window systems). The shiny side goes down because in summer’s heat, the low-E capability prevails (it does not emit heat radiating from the outside world). In winter, the high reflectivity capability prevails (it reflects the warmer air from the heated portions of the house back into the house). There are three types of heat transfer: radiant, conductive & convective.

Radiant heat is the biggest culprit in a house in the summer – heat radiating from the roof system above as it takes a beating from the summer Sun. In general, attic insulation acts as a barrier between the attic & the living space of the house. Tech Shield Radiant Barrier Decking acts as a barrier between the attic & the outside environment. Therefore, in simple words, in the summer it keeps outside heat outside, and in the winter it keeps inside heat inside.

Energy Efficient Lighting

General Service Fluorescent Bulbs

These bulbs are more energy efficient than incandescent bulbs because they do not produce heat. They are the thin, long tubes often used in kitchens for under-cabinet lighting, and in garages, workshops and basements. The tubes can last from 10,000 to 20,000 hours -- 10 to 20 times longer than incandescent bulbs.

Compact Fluorescent Bulbs

These bulbs provide as much light as regular incandescent bulbs while using just one-fourth the energy. For example, a 15-watt compact fluorescent bulb yields the same amount of light as a 60-watt incandescent bulb. Compact fluorescent bulbs last about 10,000 hours -- 10 times longer than incandescent bulbs.

Water Heating

Water heating accounts for 20% or more of an average household's annual energy expenditures. The yearly operating costs for conventional gas or electric storage tank water heaters average $200 or 450, respectively. Storage tank-type water heaters raise and maintain the water temperature to the temperature setting on the tank (usually between 120°-140°F (49°-60°C). Even if no hot water is drawn from the tank (and cold water enters the tank), the heater will operate periodically to maintain the water temperature. This is due to "standby losses": the heat conducted and radiated from the walls of the tank—and in gas-fired water heaters—through the flue pipe. These standby losses represent 10% to 20% of a household's annual water heating costs. One way to reduce this expenditure is to use a demand (also called "tankless" or "instantaneous") water heater.

Argon Filled Windows

You can expect to save 10 to 15 per cent of your annual heating costs if you choose low-e, argon gas filled windows for your new home. Savings may go as high as 25 per cent if most of the windows will be on the north side of your home.

Wood or vinyl standard double-glazed windows have an insulation value of about R2. Low-e glass and argon gas increase the R-value by more than 50 per cent. Think of it as adding insulation to the least insulated part of your home.

HVAC Systems


In 1992, the Federal Government established minimum efficiency requirements for all heating and air conditioning equipment. If your present HVAC equipment; a furnace, heat pump, or air conditioning system was purchased and installed before that date, it could be highly inefficient by today's standards.

Efficiency ratings are important to understand because installing a new unit could achieve significant energy cost reductions. In addition, that could save you from the higher operating expenses of some pre-1992 equipment.

Efficiency Terms

DOE = The Department of Energy is a federal agency in charge of setting industry efficiency standards and monitoring the consumption of energy sources.

AFUE% = Furnace Efficiency. "AFUE" is a measure of a furnace's heating efficiency. It stands for Annual Fuel Utilization Efficiency. The higher the AFUE%, the more efficient the product. The government's established minimum rating for furnaces is 78%.

HSPF = Heat Pump Heating Efficiency. It stands for Heating Seasonal Performance Factor, or HSPF. The higher the HSPF rating, the more efficient a heat pump is at heating your home. There is no legislated minimum rating.

Reduces Heat Loss

Low-e, argon gas-filled windows lose less than half as much energy as standard double-glazed windows. A low-e coating is applied to the surface of the glass or suspended between the panes. Low-e glass allows heat in from the sun, but slows heat from escaping. This is possible because heat radiating from objects inside the house is on a different wavelength than heat from the sun

SEER = Cooling Efficiency. "SEER" is a measure of cooling efficiency for air conditioning products. SEER stands for Seasonal Energy Efficiency Ratio. The higher the SEER rating number, the more energy efficient the unit. The government's established minimum rating for air conditioning is 10.

Clinton Richardson Home Construction
Clinton Richardson Home Construction
Clinton Richardson Home Construction