1045 North 10th St.
San Jose, CA 95112
Call Now Fast Service
Monday - Friday
8:00am - 5:00pm

Most Trusted AC & Heating Company
in the South Bay

Sandium Heating & Air Conditioning is committed to performing expert quality AC repair, maintenance and installation throughout the South Bay Area.

Call 1-408-894-9072 anytime &
100% satisfaction guaranteed!

At Sandium Heating and Air, the client experience is first and foremost. We believe in lasting relationships, and feel this focus on the client ultimately defines the success of our business.

Sandium has been an installer of heating and air condition systems for almost 2 decades, and prior to that worked with a major manufacturing company (TRANE), assisting in the development of building analysis tools, comfort system controls, and commercial building performance contracting.

Today, Sandium offers full-service design, engineering, and installation of heating & air conditioning systems, zone systems, high efficiency water heaters, Home Performance contracting, energy auditing, and ventilation/air filtration services.

Sandium holds the following licenses:

  • Sandium is also bonded and insured.

Sandium listens to the clients specific needs, gathers the necessary data, and provides custom solutions with holistic home energy, air quality, and comfort in mind. There are no cookie-cutter solutions.

We participate in most major rebate and incentive programs in order to pass along value and savings to our clients, and we manage all processes in-house.

Every project has a lead technician managing the process. The leads and crews are factory trained in Bay Area HVAC, and are respectful, courteous, and confident in their work. The teams attend mandatory safety trainings two times a month to ensure job-site safety. To further stand behind our quality, we offer a 100% Satisfaction Guarantee.

Sandium is a Build it Green Member, Home Performance with Energy Star Partner, Efficiency First Founding Member, CBPCA Member, and ACCA Member.

We have a great reputation, and have been recognized by YELP, Angie's List, Google, Service Magic, and the Better Business Bureau (BBB). Our clients love us!

Angie's List Super Service Award


Each year, Angie's List presents its Super Service Award to businesses that have maintained a superior service rating. Approximately 5% of businesses on Angie's List meet their eligibility requirements. This is our 5th year in a row winning this reward!

Home Adviser 5-Star Award Winner


Home Advisor is an online resource site where you can select a project category that best matches your home repair or improvement need. They ask you a few important questions to ensure we're able to match you to the right pro for your job.

Better Business Bureau A+ rating since 2001


BBB has determined that Sandium Heating and Air Conditioning meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints.


We are proud to announce we have a 5 star rating with Google+ .
Otherwise, known as Google Local as well.
We would like to thank all of our customers for their continued support and appreciation of our business.

PG & E Customer Satisfaction Award


On April 3 2012, PG&E awarded us with having the highest average customer service rating!

Carrier's President's Award


Winning 7 years in a row, the President’s Award is an annual award to a select group of Carrier Factory Authorized Dealers who achieve high scores on a set of criteria established each year by the Carrier brand. The President’s Award is Carrier’s highest honor for its dealers and is presented to only the Top 1% of Carrier Dealers each year. This annual award is designed to reward individuals who excel in customer relations