EPA studies indicate that indoor levels of many pollutants may be 25 times and occasionally more than 100 times, higher than outdoor levels. In general, indoor air is four to five times more polluted than outdoor air.

  • The EPA ranks air pollution among the top five environmental risks to public health.
  • 87% of American homeowners are not aware that pollution may be worse inside their homes than outdoors.
  • About 40,000 dust mites, a common cause of household allergies can be found in only one once of dust.
  • Most homes generates about 40 pounds of dust per year for every 1,500 square feet of space.
  • Because they breathe faster adults, children inhale 50% more air per pound of body weight than adults and are especially sensitive to air quality problems.
  • The World Health Organization estimates that approximately 30% of newly constructed and remodeled facilities have indoor air quality problems.
  • Many ordinary activities such as cooking, cleaning and redecorating can spread indoor air pollutants.
  • Even a spotless home can allow indoor pollutants to flourish. Bathrooms, damp basements and even carpets and furniture are often the prime causes.
  • According to a study by the Commonwealth of Massachusetts, indoor air contaminates are responsible for half of all illnesses.
Call A-1 Guaranteed Heating & Air, Inc. today, to speak with one of our friendly, customer care professionals.

» If you suffer from allergies or asthma call A-1 Guaranteed today and see how Trane CleanEffectsWhole House Air Filtration System removes up to 99.98% of all airborne allergens, more than any other air cleaning system.

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Why Should You Choose A-1 Guaranteed?

  • Voted Best Heating/Cooling Company for 12 years by Readers of The Vallejo Times Herald
  • Voted Best of the Bay for 5 Years by KRON 4 TV
  • Commercial and Residential Installation
  • Angies List Super Service Award for 2 Years
  • Factory Trained Installers and Techs
  • All employees fully background checked for your safety
  • Drug-free Environment Enforced and Maintained
  • Better Business Bureau Honor Roll 21 Years
  • Diamond Certified Company
  • North American Technician Excellence (NATE) certified
  • Voted Best Construction/Heating & Air Conditioning by the readers of the San Francisco Chronicle and SFGate.com
  • Bay Area Certified Green Business
  • Employee Support of the Guard & Reserve by Office of the Secretary of Defense
  • Energy Efficiency Award by Energy Upgrade California
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  • A-1 Guaranteed Heating & Air Conditioning
    1768 Broadway St. Vallejo, CA 94589