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Reliable Oil & Heat Co Inc describes itself on its website as a fuel oil delivery company that also installs and maintains central heating and air conditioning, and it says it has been in business for 104 years. Its stated service area is Darien, Greenwich, New Canaan, Norwalk, Stamford, Weston, Westport and Wilton, and the site lists 24/7 emergency service. A 2022 customer said that within 30 minutes of their phone call about a heating outage, Reliable sent over a man who had been doing the work for 43 years. That 2022 customer said he diagnosed the problem and, within 40 minutes, cleaned and fixed the system, put everything back and explained the issue. A 2022 customer of more than a decade wrote that when they lost heat in the dead of winter, the company sent over a technician at 1am to fix the problem. A 2025 customer said they thought the company had been serving their family's home for 68 years, called the technicians and office people friendly and knowledgeable, and said the company was good about scheduling annual tuneups. A 2025 customer said the service team responded quickly to an issue with their furnace and named Anthony and Luigi. A 2024 customer said the technical team made problem resolution look easy. The company holds an A+ grade from the Better Business Bureau, and on Google it has 4.7 stars from 14 ratings. Connecticut lists its S1 heating and cooling contractor licence, HTG.0400437-S1, as active, held by Reliable Oil & Heat Company Inc.
A local, family run business that has been serving the Stamford area for an astonishing 103 years. As of this year, I think they've been serving my family's home for 68 years (starting before I was born). All of the technicians and office people are very friendly and knowledgeable. This kind of business is increasingly rare. If your oil burner fails in the middle of winter, you'll be really happy that you are a customer of theirs. (But they are really good about scheduling annual tuneups, so chances are it won't fail! :-).
My wife and I are really happy to have Reliable Oil. We recently had an issue with our furnace and their service team responded quickly in a very professional, efficient, and trustworthy manner. Specifically, Anthony and Luigi were terrific. We have had lots of companies through our almost 25 years of homeownership and would highly recommend Reliable Oil to anyone looking to change or try for the first time. You won’t be disappointed.
The very best customer service of any oil company I’ve ever worked with. Everyone working here has such a great attitude and the technical team makes problem resolution look easy. Highly recommended.
Our heating went out this morning, within 30 minutes of my phone call, Reliable sent over a gentlemen that has been doing work for 43 years, quickly diagnosed the problem, and proceeded to take apart the system and clean and triage the issue and fix it with very little hassle. I was very impressed with his understanding of the system and be able to diagnose the problem and within 40 minutes to clean, fix, and safely put everythign back and quickly explain to me the issue
We have been customers for more than a decade and this company never disappoints. We lost heat in the dead of winter and they sent over a technician at 1am to fix the problem. I don't write reviews often but Reliable Oil & Heat are worth recommending.
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1 change recorded — last scanned Oct 8, 2026.
Hot water tank replaced within a week4.7
