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Your Trusted Connecticut Energy Partner Since 1877
Since 1877, Quinoco has been a trusted, family-run home energy provider serving communities in Litchfield and Hartford Counties. Our commitment to personalized service and professional expertise has made us a leader in delivering comprehensive energy solutions. We specialize in Bioheat, propane, and diesel fuel delivery, along with heating, cooling, and generator equipment installation and maintenance. Our team of experienced technicians ensures every service call meets the highest standards of quality and reliability. We offer tailored protection plans to maintain system efficiency and prevent costly breakdowns, backed by 24/7 emergency service. With strategically located facilities in Bristol, Farmington, and Torrington, we combine local knowledge with industry-leading practices to serve homeowners throughout our service area.

Our dedication to innovation is evident in our adoption of eco-friendly Bioheat and advanced ductless technology. Through generations of ownership, we've maintained our founding principle of putting customers first, ensuring every interaction reflects our core values of integrity and service excellence. This long-standing commitment has earned us the trust of thousands of households who rely on us for year-round comfort. Today, we continue to build on our legacy by providing energy-efficient solutions that meet evolving customer needs while maintaining our reputation for exceptional service.
Services
Bioheat Delivery Propane Services Generator Installation AC Maintenance Heating Equipment Tank Inspections Ductless Systems Emergency Repairs Protection Plans Oil Delivery
Highlights and features
  • We offer 145 years of experience in Connecticut home energy solutions
  • Our 24/7 emergency service ensures immediate response to heating emergencies
  • We provide comprehensive protection plans with priority service guarantees
  • Our technicians are licensed and certified in all major equipment brands
  • We maintain a fleet of modern service vehicles for prompt equipment repairs
What people say
Prompt repair service Professional technicians Emergency service available Equipment expertise Long-term reliability
Services
Heating Service
Our comprehensive heating maintenance ensures optimal system performance. Technicians perform precision tune-ups, component inspections, and efficiency checks to prevent breakdowns. With 24/7 emergency availability and new parts warranties, our service keeps homes warm during Connecticut winters.
AC Service
We provide complete air conditioning maintenance and repair services. Our certified technicians service all major brands, offering precision tune-ups, refrigerant checks, and system diagnostics. Ductless mini-split installation services help homeowners achieve zoned cooling efficiency for summer comfort.
Generator Service
Our generator services include installation, maintenance, and emergency repair for automatic standby generators. Annual inspections ensure reliable operation during power outages, with technicians available 24/7 to address system failures and perform critical repairs.
Tank Inspections
Ultrasonic tank inspections identify corrosion and structural weaknesses in heating oil tanks. Our EPA-approved testing measures wall thickness and component integrity, with replacement credits available for qualifying tanks to ensure safe, compliant storage.
Propane Delivery
We provide safe, reliable propane delivery for home heating and outdoor applications. Our modern delivery fleet ensures timely service, with automatic delivery scheduling options to maintain optimal fuel levels year-round.
People
Brett Quinion
Founder
Brett Quinion grew the business through strategic acquisitions in the 1980s-90s, expanding service areas and modernizing operations before selling to Don Phillips in 2002.
Don Phillips
Owner
Don Phillips acquired Quinoco in 2002 after working since 1976. He expanded propane services, built bulk plants, and maintained the company's commitment to premium equipment and professional service.
Questions
What are the benefits of Bioheat heating oil?
Bioheat reduces carbon emissions by up to 80%, is biodegradable, supports local agriculture, and works with existing heating systems while improving efficiency.
Do you offer emergency heating services?
Yes, our 24/7 emergency service provides immediate assistance for heating system failures, with technicians available year-round.
What areas do you serve?
We serve Litchfield and Hartford Counties including Bristol, Farmington, Torrington, Winsted, and surrounding communities.
Do you service all types of heating equipment?
Our technicians service all major brands of oil, propane, and natural gas heating systems, including older equipment.
What generator services do you provide?
We offer generator installation, maintenance, and repair services including annual tune-ups and emergency service for automatic standby generators.
How can I schedule a tank inspection?
Tank inspections can be scheduled by calling our Bristol office at 860.583.4609 or through our online service request form.
Reviews (7)
James Lewellyn
May 30, 2022 Report
We received an annual cleaning and inspection of our oil furnace. The Quinoco team crushed it. The gentlemen whom came out was an extreme and thorough professional. I'm sincerely impressed with their work, and his ethic on the job. He ensured I was continuously informed of issues he found, he took the time to explain them, and was very deliberate in the cleaning process. I can't say enough to explain how pleased I am with the service!
Diane Roveto
May 25, 2022 Report
This was the best cleaning we have ever had. Your oil is top quality and the technician was excellent. We were treated so well that I can't stop telling everyone. Thank you for your through cleaning and your honorable employees.
Brent K.
Apr 22, 2022 Report
Stay clear of this oil company. Whatever they were in the past no longer exists. From oil prices to customer service they are the worst. Looks like the business model is to screw the customer whenever they can. I would rate 0 stars if I could.
Paul Brown
Apr 06, 2022 Report
The office staff, technicians and fuel delivery staff are outstanding. I've been a loyal and satisfied customer for over 30 years and have had nothing less than a superior customer experience with Quinoco (formerly Caldwell) at every interaction.
David Galusha
Feb 19, 2022 Report
I've been a customer for over 40 years. They have never missed a delivery, have put in a new furnace, a new tank and cleaned my furnace for all that time. Never tought of changing. Why would I when I'm dealing with the best?
Sarah Y.
Feb 07, 2022 Report
Called as a new customer for oil, $3.90/gal! For comparison purposes- I currently use sisters oil, and their rate today is $3.47/gal. Vikings Fuel is $3.69/gal. Asked if they publish their rates online (as they change) and they do not. You will have to call to learn their rate each time.
Sally Bergad
Jan 30, 2022 Report
I ordered oil this week. The delivery was actually 15 minutes earlier than scheduled! The next day, the furnace had a strange reading. I had no idea what it meant, but with a cold night promised, I was concerned. A technician was at my door about an hour after I called for 'help'. Service has been quite good over the years!