Residential & Commercial
Heating
Air Conditioning
Refrigeration
Installation • Repair • Maintenance • Design • Indoor Air Quality
24 x 7 Emergency Service
(818) 407-6226
or toll free: (800) 585-5535
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All Temperatures Controlled
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Residential Heating & Cooling
We are a local AC contractor specialized in reliable and efficient heating, air conditioning & indoor air quality solutions. Our service is unmatched! Heating & Cooling
Chatsworth Residential Heating and Cooling
Commercial HVAC
We are experts at reducing the downtime and energy costs for a facility. Trust us with your mission critical commercial system.
Commercial HVAC Service
Chatsworth Commercial HVAC
Finance Your System
Even if updating your HVAC system isn't in the budget, the energy cost savings can be so significant, it will help pay for the system.
HVAC Financing
Chatsworth HVAC Financing

Heating, Air Conditioning & Indoor Air Quality for the greater Los Angeles area.

In 1978 we selected the name All Temperatures Controlled to describe the business we wanted to create. Our goal was to provide the technical knowledge and skill sets needed to handle any residential or commercial HVAC requirement. To provide ideal indoor comfort control for any unique situation.

Now, 33 years later, that goal has become a reality. Based in Chatsworth, All Temperatures Controlled (ATC) is a leading residential and commercial HVAC contractor for the greater Los Angeles area. Our extensive experience and commitment to the highest quality standards has our customers telling everyone about us. In fact, that is probably what brought you to our site.

Call us today at (818) 407-6226 to receive expert opinions on indoor comfort control options for your home or facility. We look forward to serving you, and enhancing the levels of your indoor comfort control.
Hear From Our Customers...
"Mike, thank you for the excellent work installing our new heating and air conditioning system. Your installers were very knowledgeable and courteous. My wife was impressed that the house was clean when your guys were finished. The system works great and is so much quieter, both inside and outside. I will recommend your company to my friends." - J. Roberts

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Chatsworth HVAC Contractor