A-1 Certified Service, Inc.

KNOXVILLE, TN, 37931

★ 4.7 (325 reviews)

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About A-1 Certified Service, Inc.

Heating and AC specialists for installation, repair and service of residential systems.

AI Review Summary

A-1 Certified Service specializes in AC installation, repair, and furnace work with a reputation for professional, knowledgeable technicians who respond quickly and explain problems clearly. Customers consistently praise the team's courtesy and thoroughness, with many reporting long-term satisfaction and loyalty.

Specialties

Heating and CoolingAC unit replacementAC repair and diagnosticsDuctwork repair and installationFurnace repairHVAC system maintenance

Customer Reviews

★ 4.7(325 reviews)

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Service Areas

37931, 37923, 37932, 37909, 37849, 37921, 37919, 37922, 37934, 37912, 37830, 37716, 37916, 37777, 37902, 37917, 37754, 37915, 37918, 37772, 37920, 37938, 37853, 37840, 37737, 37701, 37771

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