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Frequently Asked Questions
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We proudly serve San Diego County and surrounding areas. If you're unsure whether you're in our service area, just give us a call!
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Yes! We offer free, no-obligation estimates for system replacements, new installations, and major repairs.
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We primarily install American Standard equipment, but also offer Ameristar, AC Pro, GE, York, Goodman, and Daikin systems. We service all major brands.
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Financing options are available through select programs. Ask us during your consultation, and we’ll help you explore the best options.
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Full system replacements include a Wi-Fi capable smart thermostat (Sensi-Pro Touch), two years of free seasonal maintenance, and a workmanship warranty.
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Yes! We offer 3-, 5-, and 7-year maintenance programs with discounted rates, fixed pricing, and transferable contracts.
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Absolutely. We install single-zone and multi-zone ductless mini-splits, perfect for adding comfort to any space without needing ductwork.
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Yes! Bring us a written quote from any licensed contractor and we’ll match or beat it.
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Yes. Sterling Mechanical is fully licensed, bonded, and insured. All work is performed in-house — we never subcontract installations.
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Yes! We offer 10% discounts for seniors, active military, veterans, and first responders.
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e treat your home as if it were our own. We use floor protection, clean up thoroughly after the job, and guarantee we’ll leave it cleaner than we found it — or dinner’s on us.