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About Us

1 Call Heating & Air is a family-owned and operated business that provides HVAC services to San Diego County. We are dedicated to providing our customers quality service, from the initial call to the final installation. Our owner, Lawrence Hanna, has worked his way up in the HVAC industry, from apprenticeship to running his own company. He's worked for small family-owned businesses and ran the entire HVAC department for the local school district; His expertise and commitment to excellence shine throughout our company. Because our customers are like family, we vow to always treat them with respect, dignity, and honesty.

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Tell your family and friends about us after experiencing our fantastic HVAC work firsthand. We rely on word-of-mouth advertising to grow our business, and we're always happy to help.