Indoor Comfort Control means more today than it did a decade ago. Current options allow us to provide you with the ideal comfort solution for your specific needs that will be reliable and affordable while offering more options like air purification, advanced controls, zoning and remote access.

The categories below will help educate you about HVAC offerings and concepts, however please don't hesitate to call us at (925) 427-5522 as we would be happy to assist you! View our affiliations page to learn more about us and see our industry credentials!

You can also you one of our online forms to request a free estimate or schedule service. Use the house links below to access the forms.



More Than Just Your Normal HVAC Contractor
There is a big difference between companies that truly serve their customers and those that claim to. Stewart Heating & Air Conditioning is the definitive customer service oriented contractor. For example, in the summer of 2009 a residential homeowner's cat became trapped inside the ductwork of her home. When other companies wouldn't even return her phone calls for help, Stewart Heating & Air Conditioning arrived to save the day.

See How We Saved The Cat...

Learn About HVAC Products
For many, the multitude of products that make up an HVAC system can be a bit daunting. Our products section will empower you to make better decisions about your home comfort, by getting you up to speed on the many options you have for complete indoor comfort control!

Learn About HVAC Products

NBI Certified | license #0414102 (expires 10/11/2011)
Stewart holds a current certification from the National Balancing Institute (NBI) which certifies that we are able to accurately test, adjust, and balance residential heating and air conditioning systems. Proper balancing means our customers can get the highest possible efficiency out of their systems. After testing we propose a plan of action to solve any problems in the most cost effective manner possible, getting our customers on the fast tract to enjoying the benefits of a properly balanced home HVAC system.
Indoor Air Quality
There is a lot of buzz in the HVAC world about indoor air quality. Why? Because the more tightly sealed our homes become, the more pollutants, bacteria and other contaminants are recycled through your home with no way out - spreading sickness, aggravating allergies and more. The solution lies in optional indoor air quality products that integrate into your HVAC system and work together to truly purify the air in your home.

Learn About Indoor Air Quality
Energy Star® 2009 Tax Credits
View information about new energy efficiency tax credits for 2009 that can save you money!

Energy Star® 2009 Tax Credits
Energy Star® Efficient Heating & Cooling
As much as half of your household energy use goes to heating and cooling. With a few simple steps to properly seal and insulate your home, and energy-efficient heating and cooling equipment, you can stay comfortable and save on your energy bills at the same time. View this Energy Star® Guide for tips on energy efficient heating and cooling.

Energy Star® Efficient Heating & Cooling
PG&E HVAC Info
This PG&E site offers valuable tips and related information to heating and cooling products.

PG&E HVAC
Operating Costs
Like many other appliances, the cost of your indoor comfort system includes not only its initial price, but also the ongoing costs of operation and maintenance. Our Operations Cost page provides calculators for your to see the cost savings for your region.

HVAC Operating Costs
HVAC Dictionary
You have probably heard terms like SEER, MERV rating and condenser coil tossed around by heating and cooling dealers. We've compiled a list of common HVAC terms to help you understand us heating and cooling people!

HVAC Dictionary
New Home Buyer
The amount of details involved with a home purchase can overwhelm the most organized of us all! We have gathered helpful information and online links to assist you in making your home purchase and move in go as smooth as possible.

New Home Buyer Information
Our Current Specials
Find out how you can save money on purchases or service with our current customer specials!

Residential Specials & Coupons