Today’s homes are more energy efficient than ever; New building techniques and materials and advancements in insulation, windows and doors helps to minimize waste; However, 97% of homes have indoor air quality troubles. There are potential sources of contamination in every room in the house, but cooking, cleaning, pest control, personal hygiene and even carpets, electronics, pets and pressboard furnishings generate harmful toxins. These pollutants are then trapped in the tightly sealed house and continually circulated by the heating and cooling system. The EPA ranks indoor air pollution in the top five health risks, but most people spend 90% of their time indoors. The furnace and air conditioning can actually contribute to troubles. The conditioned air in the house passes through the HVAC duct between nine and ten times per afternoon! Dust, dander, bacteria, mold spores and all sorts of allergens can be concealed inside the system, become airborne and breathed in by family members, plus, this accumulation can reduce heating and cooling machine efficiency. Dirty coils and ducts increase energy consumption by up to 30%. A worthwhile and cost-saving repair is regular duct testing and cleaning. Specialized machine is used to dislodge and safely remove the buildup of debris. Maximizing air flow helps to optimize comfort in every room in the house. The living environment will stay cleaner and healthier, getting rid of smell-absorbing particles will help to improve the odor of the air as well. The duct cleaning process properly can be completed in a couple of hours; It causes no mess or disfigurement and normally pays for itself in savings through lower utility bills, fewer repairs and longer furnace and air conditioning repair life.