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Reliable Furnace and AC Experts in Buffalo
O’Donnell Heating & Air Conditioning Inc – Buffalo is a trusted name for HVAC service in Buffalo, especially when fast response and efficient installation matter most. Customers regularly point to the team’s professionalism, quick scheduling, and smooth start-to-finish experience. From furnace replacements to AC installs and boiler work, the company is recognized for handling each project with care, speed, and strong technical know-how.
What makes O’Donnell stand out is the way the crew balances efficiency with thoughtful service. Homeowners appreciate clear estimates, clean job sites, and technicians who explain the work in plain language. Many mention how quickly problems are solved, even during urgent winter breakdowns, which speaks to the company’s commitment to keeping families comfortable. For anyone seeking heating installation, air conditioning upgrades, or dependable system replacement in Buffalo, O’Donnell Heating & Air Conditioning is an easy recommendation.
Review Highlights
Read ReviewsEfficient and Timely Service
Customers consistently praise the business for its efficient and timely service. Installations and replacements, such as heating and cooling systems, are completed quickly and professionally, often exceeding customer expectations for speed.
Professional and Knowledgeable Team
The team is frequently described as professional, knowledgeable, and thorough. Customers appreciate the staff's ability to explain processes clearly and maintain a clean work environment, demonstrating their expertise and attention to detail.
High Customer Satisfaction
Reviewers express high satisfaction with the services provided, highlighting problem-free experiences and the reliable functioning of installed systems over time. This reliability contributes significantly to the positive reputation of the business.
Excellent Customer Service
The business is commended for its excellent customer service, with staff going above and beyond to accommodate urgent needs, such as replacing a hot water tank promptly after completing another major job.
Reasonable Pricing
Customers appreciate the competitive and reasonable pricing offered by the business. The estimates provided are considered fair, contributing to the overall value perceived by the customers.
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4.7
437 reviews
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We had our entire heating and cooling system replaced. The entire process was problem free. They were in and out in a timely manner. We are super happy with their work. We highly recommend them!
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Very happy with the service from their team today. Our hot water tank went and they came out to replace it after being on another big job in the morning. Can’t thank them enough for their service and professionalism!
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We had a great experience with O’Donnell’s. They were professional, responsive, and incredibly efficient from start to finish. After contacting them, the owner Jim came to our house he provided us with a quote, scheduled and completed the Lennox AC and furnace installation within a week, which was much faster than we expected. The installation team was punctual, knowledgeable, and left everything clean when the job was done. We really appreciate how smoothly the entire process went. The system works perfectly and we have had no issues over the last 2 years. Highly recommend this company to anyone looking for reliable and quick heating installation service!
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On a recent Thursday, we scheduled a free estimate for the services we needed. We decided to proceed with their very reasonable estimate provided by Jim, the owner of the company. His crew showed up the following Monday (!) to replace our well-aged boiler (baseboard heating system) and hot water tank. They ensured a clean work environment, and were pleasant, diligent and knowledgeable about every detail of this job. We are very impressed with O'Donnell Heating and Air Conditioning, and highly recommend them!
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Great service with prices to match. Very knowledgeable staff that walked me through every part of my new furnace and hot water tank. Will definitely call on them again
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