Ventilation Cleaning Services

Ventilation Cleaning, Installation & Repairs in Lafayette, CA

All the labor that goes into ventilation repairs in houses results in remarkable energy savings and greater comfort. But cooking odors, moisture, and chemical toxins can’t disperse as easily in a house with a tight envelope as in a leaky house. Opening a few windows may yield too much or too little ventilation, with unfortunate effects on comfort in either case. Even in houses where furnishings and building materials have been carefully selected to reduce indoor air pollutants, some arrangement of mechanical ventilation is a prerequisite for healthy inhabitants and a healthy building.
There are two fundamental strategies to produce mechanical ventilation: spot ventilation, which eliminates pollutants and moisture at their source, and whole-house ventilation. Classic spot ventilation strategies incorporate the use of bathroom exhaust fans and an exhaust fan over the kitchen range. Exhaust fans are available in a assortment of styles, sizes, and price ranges. Control options range from simple wall switches to advanced timers, humidistats, or occupancy sensors. Whole-house mechanical ventilation systems are created to remove stale air from or provide fresh air to the building as a whole. These systems are more complex and more pricey than spot ventilation systems, but also more efficient.

Use a Variable Speed Furnace Fan

Some ventilation systems utilize the furnace fan to distribute air throughout the house. In these systems, the fan speed used for heating and cooling is more than likely too high in a ventilation-only mode. A variable-speed or two-speed fan is more effective, using less energy for ventilation than for heating and cooling.

Air Sealing Makes a House Healthier

In designing any ventilation system, a few rules of thumb are applicable: The domicile should be air-sealed carefully, especially when it comes to crawl spaces, basements, garages and other areas where toxins and pollutants are familiar. Building furnishings and materials that emit the least amounts of pollutants should be a first alternative.
The most effective ducts are straight, smooth, sized correctly, and sealed tightly. Corrugated ducts have considerable resistance to airflow, and elbows and long runs of duct also diminish effectiveness. Duct joints should be sealed with mastic. Ventilation ducts that pass through out unconditioned spaces should be insulated. Exhaust ducts should always be ventilated to the outside every time, not into attics, basements, or crawl spaces.

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