heating & air conditioning services
Diamond Certified

Sales Service Installation

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(707) 645-0734Vallejo

(925) 609-8800Contra Costa

Serving Solano, Napa and Contra Costa Counties
CA License # 719381

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Voted best heating/cooling company for 10 years by readers of The Vallejo Times Herald
Commercial and Residential Installation
Factory Trained Installers and Techs
All employees fully background checked for your safety
Drug-free Environment Enforced and Maintained
Better Business Bureau Honor Roll Member for 20 Years Running
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
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A-1 Guaranteed Heating & Air Conditioning
1768 Broadway St. Vallejo, CA 94589

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.