Indoor Air Quality Services in Sunnyvale, CA
Our partners
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Don't just take our word for it
Our satisfied customers are our biggest advocates. Don't just take our word for it – hear what they have to say about their experience with Sandium.
Marcos, Carlos, & Pat did a really solid and thorough installation job (HERS leakage numbers are almost negligible).
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Lisa Rose
Posted on
Came to repair a water heater and replace the damaged element. Friendly people, reasonable cost, and excellent quality of work.
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Camila Mata
Posted on
Very quick to respond to initial quotes and easy to deal with. Great job with install, better price than others.
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Tyler White
Posted on
They figured out the problem and got the furnace up and running very quickly.
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Isaiah Jenkins
Posted on
The team from Sandium Heating and Air Conditioning was wonderful to deal with. He also offered common sense advice to ensure our system was up and running perfectly and the problem didn't reoccur.
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Tyler Anderson
Posted on
They are very professional, timely, personable and knowledgeable and their prices are reasonable.
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Jean Schmidt
Posted on
They are prompt and have a very reasonable pricing. Any issues get resolved the same day or the next, utmost.
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Toni Lumpkin
Posted on
Excellent service from start to finish. Was professional. The team take real pride in their work and always offer advice and recommendations.
Schneider Katy
Posted on
Sandium Heating and Air Conditioning did a great job repairing our AC system. Friendly, tidy and a very neat job. Really pleased with the approach they took and kept us up to date.
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Alax Alisha
Posted on
Did an amazing job, professional, friendly service. I didn't expect it to be so fast. In half a day I had my new heat/air up and running.
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Larry Siegel
Posted on
My first inquiry about 40C Heatwave resulted in installers coming and installing a split air con system in a double bedroom within a day. They worked tirelessly and I am very pleased with the installation.
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Gianna Estes
Posted on
Marcos, Carlos, & Pat did a really solid and thorough installation job (HERS leakage numbers are almost negligible).
Lisa Rose
Posted on
Came to repair a water heater and replace the damaged element. Friendly people, reasonable cost, and excellent quality of work.
Camila Mata
Posted on
Very quick to respond to initial quotes and easy to deal with. Great job with install, better price than others.
Tyler White
Posted on
They figured out the problem and got the furnace up and running very quickly.
Isaiah Jenkins
Posted on
The team from Sandium Heating and Air Conditioning was wonderful to deal with. He also offered common sense advice to ensure our system was up and running perfectly and the problem didn't reoccur.
Tyler Anderson
Posted on
They are very professional, timely, personable and knowledgeable and their prices are reasonable.
Jean Schmidt
Posted on
They are prompt and have a very reasonable pricing. Any issues get resolved the same day or the next, utmost.
Toni Lumpkin
Posted on
Excellent service from start to finish. Was professional. The team take real pride in their work and always offer advice and recommendations.
Schneider Katy
Posted on
Sandium Heating and Air Conditioning did a great job repairing our AC system. Friendly, tidy and a very neat job. Really pleased with the approach they took and kept us up to date.
Alax Alisha
Posted on
Did an amazing job, professional, friendly service. I didn't expect it to be so fast. In half a day I had my new heat/air up and running.
Larry Siegel
Posted on
My first inquiry about 40C Heatwave resulted in installers coming and installing a split air con system in a double bedroom within a day. They worked tirelessly and I am very pleased with the installation.
Gianna Estes
Posted on
4.9 out of 5 from 127 reviews on
Service Area
Areas we service
Atherton, Campbell, Cupertino, Hillsborough, Los Altos Hills, Los Altos, Los Gatos, Mountain View, Palo Alto, Portola Valley, Redwood City, San Carlos, San Jose, Santa Clara, Saratoga, Sunnyvale, Woodside
Frequently asked questions
Everything you need to know about and how we can help.
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Join the Future of Home Comfort
Take the first step towards comfortable, energy-efficient, and stress-free living by scheduling a consultation with Sandium.
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