Cornerstone HVAC and Home Improvement

Cornerstone receives consistently positive feedback across professionalism, project completion, and technical experience, with multiple reviewers praising responsiveness, same-day or rapid service, and clean, efficient workmanship on HVAC and plumbing jobs. The detailed 2019 review comparing Shayne favorably to a 30-year veteran provides meaningful evidence of strong technical knowledge and proble... Read more

Cornerstone receives consistently positive feedback across professionalism, project completion, and technical experience, with multiple reviewers praising responsiveness, same-day or rapid service, and clean, efficient workmanship on HVAC and plumbing jobs. The detailed 2019 review comparing Shayne favorably to a 30-year veteran provides meaningful evidence of strong technical knowledge and problem-solving ability. However, a serious 1-star review from 2020 alleges deeply inappropriate and offensive conduct by someone answering the company's phone number, which significantly drags down the professionalism score and cannot be ignored. Pricing is mentioned in only one review, so that dimension carries very limited confidence. The overall review base is small (7 reviews) and spans several years, limiting the reliability of the WW Score. Read less