RECENT BLOG POSTS
Frequently Asked Questions  If a basement is unfinished, does it still need foundation insulation? Yes, unless the floor above is insulated. Even if used only for storage and heating and cooling equipment, the basement is thermally connected to the rest of the house.   Is floor insulation above a...
02/17/2010
Full Basements Basements can be insulated either on the interior or exterior. Interior insulation can use conventional 2x4 framing with batt or wet-spray insulation. Unless the vapor retarder covering on the batt insulation is fire-rated, it should be covered with drywall. Rigid foam is also used...
02/16/2010
Slab-on-Grade Heat loss is greatest at or near the exterior grade. To reduce heating costs and reduce the cold-floor syndrome common to slab-on-grade construction, insulation is critical. Exterior foam insulation, similar to exterior basement insulation, works well. Insulation should extend from ...
02/15/2010
Homes being constructed today are more energy-efficient than those built even just a few years ago, primarily due to significant improvements in building products and techniques, as well as development of high-performance heating and cooling systems and other appliances. At InterNACHI, we believe...
02/14/2010
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M1502.6 Duct length. The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7,620 mm) from the dryer location to the wall or roof termination. The maximum length of the duct shall be reduced 2.5 feet (762 mm) for each 45-degree (0.8 rad) bend, and 5 feet (1,524 mm) for each ...
02/11/2010
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Clothes dryers evaporate the water from wet clothing by blowing hot air past them while they tumble inside a spinning drum. Heat is provided by an electrical heating element or gas burner. Some heavy garment loads can contain more than a gallon of water which, during the drying process, will beco...
02/09/2010
CostA geothermal system usually costs about $2,500 per ton of capacity. A typical home uses a 3-ton unit costing roughly $7,500. That initial cost is nearly twice the price of a regular heat pump system that includes air conditioning. The cost of drilling, however, can be considerable; drilling c...
02/08/2010
Types of SystemsAccording to InterNACHI, there are four basic types of geothermal systems. Selection of the most appropriate system depends on the climate, soil conditions, available land, and local installation costs at the site. All of these systems can be used for residential and commercial bu...
02/07/2010
Benefits of Geothermal Energy: energy efficiency. GHPs require 25% to 50% less electricity than conventional heating and cooling systems. According to the EPA, geothermal heat pumps can reduce energy consumption - and corresponding emissions - up to 44%, compared to air-source heat pumps, and up ...
02/06/2010
How do geothermal systems work?A geothermal heat pump, unlike a furnace, does not create heat by burning fuel. Instead, it collects the earth's natural heat through a series of pipes, called a loop, installed below the frost line. At that depth, which varies by climate zone, the soil remains at a...
02/05/2010
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