O'Donnell Heating & Air Conditioning Inc - Buffalo

O'Donnell Heating & Air Conditioning Inc serves residential and commercial clients throughout Buffalo and the surrounding western New York region. The company maintains a strong community presence with a 4.7-star rating drawn from 437 customer reviews, reflecting consistent service quality across heating and cooling installations, repairs, and maintenance. Their round-the-clock availability ensures homeowners can reach them any day of the week for emergency climate control needs.

The company distinguishes itself through rapid project completion and dedicated customer service. Several reviewers highlight that after requesting estimates, installations were scheduled and completed within a week, with one boiler and hot water tank replacement beginning just four days after the initial consultation. Their team handles Lennox equipment installations and maintains clean work environments throughout each job.

Reviewers specifically mention working with Jim, who provided estimates and project coordination, and Dawn in the office who helped customers navigate pricing and scheduling. Multiple customers note installation teams arrived punctually, completed work efficiently, and left homes clean. One reviewer describes a heating system performing reliably through temperatures dropping to 19 degrees, maintaining comfortable indoor temperatures throughout an entire winter.