Air Conditioning

Controlled Air Systems repairs, installs and services all your HVAC needs and provides emergency repair in the Bay Area;  Call us at +1 (408) 375-7018.

Contact our professional staff for residential or commercial servicing for any air conditioning system to keep it running at peak efficiency and reduce your energy costs. Call to learn more about our convenient, worry-free maintenance programs on all brand name systems.


Choosing the right furnace for your home or business in the Bay Area is an important investment. Select from a wide range of Controlled Air Systems standard economy models, up to the highest efficiency units available today with a free consultation with our furnace experts.

When a furnace breaks down in the winter, repairs can’t wait. Controlled Air Systems technicians are experienced with servicing all major brands, makes and models and provide emergency repairs and inspections. As furnace installation and repair specialists, we offer reliable advice when it is time to replace your system.

Heat Pumps

A professional Controlled Air Systems heat pump installation provides year-round climate control. A heat pump draws heat from a home or building during summer to keep it cooler and draws in warmth from the outside air to keep you warm when the temperatures drops. Our experts are available to provide details about the many options available to significantly reduce the energy costs of your home or business in the greater Bay Area. Find out more about our advanced hybrid system that links up with your gas or oil furnace for even better efficiency by calling (408) 375-7018.

Ductless Systems

Ductless Systems bring heating and cooling comfort to homes with limited or no preexisting ductwork.

Wine Cellar Systems

The unique difference between the a wine cellar systems and traditional air conditioner is the maintenance of well-conditioned humidity. Traditional air conditioning units are designed to cool quickly: as a result, humidity is removed below acceptable levels which can lead to dried out corks and oxidized wine. Wine cellar systems achieves the optimal results by cooling the air slowly, cycling down the temperature while maintaining humidity between 50% and 70% in properly prepared wine cellars. Wine cellar systems offers a collection of quiet, commercial grade wine cooling systems that provide exceptional features, warranty, and service. Learn more...

Whole House Fan

Whole house fan saves customers up to 50-90% off A/C related electricity costs. Whole house fans and attic fans help consumers save money, enjoy better health, and cool their home for just pennies an hour. Learn more...


Controlled Air Systems offers a full range of residential and commercial refrigeration services. Controlled Air Systems will provide you with the service you are searching for at a reasonable price.

Call (408) 375-7018 anytime for answers to any of your HVAC questions