We supply heating oil, propane, bioheat, biofuel, biodiesel to homeowners and businesses in Central Connecticut. We also provide full heating and air conditioning services. That includes installation & servicing of HVAC systems, tanks, furnaces, boilers and hot water heaters. We also install and service Mitsubishi Electric Ductless Heat Pump & A/C Systems.
| Friday | 8AM to 4:30PM |
| Saturday | Closed |
| Sunday | Closed |
| Monday | 8AM to 4:30PM |
| Tuesday | 8AM to 4:30PM |
| Wednesday | 8AM to 4:30PM |
| Thursday | 8AM to 4:30PM |
8 High Street, Portland, CT 06480
We had to have a hot water heater and burner replaced. We needed it done asap and didn’t have time to get quotes. I feel they totally took advantage of the situation. I checked online to see what the price(retail) was of the hot water …
Daniels is our energy provider and recently replaced our boilers with an energy efficient model. The entire Daniels team was very professional and respectful. Brian, Rick and the rest – an excellent team!
We have been customers of Daniels’ Oil for 20 years and have been very happy. We have a service plan and they have come out to our house at all hours to fix issues when necessary. Phone calls are answered professionally and oil is …
I have been a customer of Daniels ever since putting in a high end, high efficiency boiler and hot water tank. That has been at least 6 years. As of last week they are refusing to take me off COD for propane delivery. The last few winters …
I’m fussy. But I’ve been a propane customer of Daniels for a few years and they’ve lived up to my high expectations. I don’t even have to think about anything – it’s all taken care of. Unrelated to my propane service, I recently had a …
Our family has been working with daniels energy for about 8 years they have the best prices and the best service they have installed equipment in our home over the years they have provided us with fuel for cooking and heat …
This company is absolutely wonderful. We have used them for a few years for our automatic oil deliveries, but recently had them install a heating/cooling system this summer. From start to finish I can’t say how professional, and friendly …
Daniels has provided me with propane for several years. Always fair, friendly and timely. I recommend them to everyone!
Had Mitsubishi split mini AC installed and am more than satisfied with the system. The final install was different than the original plan but am very happy with the installation as done. Also very pleased with the two installers who did an amazing job.
For over 25 years Daniel’s Oil has provided great service when we need them. Recently a switch on the water heater broke, we called them at 3 pm Sunday afternoon; they were there at 3:30 and 15 minutes later we had hot water. Once they came out Sunday night to get our furnace running.
I was using petro and they wanted 1,200$ for a part that didn’t need replacing. Daniels came in and fixed that same problem in 4 minutes. Completely different part. And they weren’t even here for that problem! …
Backstory: I’m a licensed Real Estate Broker + I’m a Custom Home Builder with over 32 yrs. of construction experience. …
The crew was polite, tidy and professional. They didn’t balk when I told them the AC unit had to be positioned in a different location from what the estimator suggested. They completed the job efficiently, explained how everything works …
I can’t say enough positive remarks about the staff at Daniels. From Brian in Sales to Rob, Angel, Vinny and the team in Install, they were professional and knowledgable. All worked hard to make sure the ductless renovation was the most efficient and aesthetically pleasing as possible. Amazing job!
What can I say about Daniels??? I have been a customer for a long time and would not go any where else. They are always there when you need them. They are reliable and very knowledgeable. I just had a new furnace put in by them and I am very happy. Definitely would recommend them.
We’ve been with Daniels since 1999! We’ve had excellent service the entire time. Recently, we had a new furnace installed by Daniels; the entire process was easy and smooth!
I’ve been a customer ever since they took over for Higganum Oil. This year, I had to have my boiler replaced. From the first contact with the sales rep, all the way to the final signoff, everything was handled professionally. We had a …
Recently converted from oil to propane and hired Daniels to perform this work. Very happy with the conversion. They were on time and ready to go everyday. Reasonable price and service support. I have a long history with Daniels and never been disappointed.
Recently I had to replace my home heating system. Daniels accommodated my time constraints and installed a new system in record time, I noticed an immediate improvement in performance and efficiency. Daniels has been my supplier for 15 years–who else?! I trust Daniels.
I just want to say THANK YOU the amazing folks at Daniels Fuel. After we unexpectedly ran out of propane the other night, Daniels quickly came to the rescue. They delivered fuel to our home at 1:15 am, which was GREATLY appreciated since my …
You installers are knowledgeable, polite, happy and were a pleasure to have in my home. They answered all our questions. Your home visit to determine our needs was also a positive experience. I would not hesitate to recommend Daniels Energy for installation and service.
Great company!
I have been using these guys for 20 years and they are polite and professional! …
My August 2016 electric bill showed 943 KWH of usage running one window AC unit. My August 2017 bill showed 936 KWH running my new whole-house ductless system. Our experience with Daniels was very good from start to finish. No complaints, but much comfort.
A great one stop shopping for propane heating install and supply of propane. Everyone from beginning to end was a pleasure to deal with. our install was on one of the hottest weeks so I bought Italian Ices and cold waters for the guys and …
Had our Mitsubishi air conditioning system installed today. I can’t say enough about the great job Josh, John, and Angel did, even with the oppressive heat and humidity. All three worked professionally, neatly, and efficiently. They had a …
We had our old fuel tank replaced last week by Daniels and they did an absolutely meticulous job! Knowing what a messy job that can be, especially in tight quarters, we were very concerned about the old tank removal process in particular. …
DO NOT USE DANIELS. Was with the company for one year and have left. What does that tell you? They will get you in an auto delivery contract then keep topping off your tank so they can overcharge you. They even have a name for it- its …
Jim Bunny and his team were courteous and friendly and answered all my questions. Daniels staff is honest and you count on them for all your heating and cooling needs. Price and service were within reason and of good value. Service was awesome.
I had a Mitsubishi mini spit system installed in the first floor of our house and I can’t say enough positive things about Daniel’s. The price was right, customer service was spot on and their response time was awesome. I’ll need an …
Another score with Daniels. Our hot water boiler stalled out last Friday night, and you know what that means – you’re never going to get a plumber over on a Friday and get your heat and hot water back for the weekend. Within an hour of …
Stay away from this company!!!! They will not stand behind their employee’s accident and will leave you with a flooded basement!!! …
Daniels is not the cheapest but that’s hardly a significant criteria when it comes to something as important as your home’s mechanicals.
We have had Daniels install two new AC systems in our house and we are very happy with them. Daniels’ personnel are very professional and have excellent workmanship!! Highly recommend them.
I cannot say enough wonderful words about Daniels Electric. I was first introduced to Daniels with their Replacement Specialist Keith who was extremely knowledgeable about the Mitsubishi Split Heads that I eventually purchased. More …
Daniels energy has been our oil company fo 8 years now, so when we decided to install to have the ductless air conditioning installed there was no question who we were going to call. We first called with some questions which were all …
Can’t say enough about Daniels Energy. They installed new air conditioning today. The guys were early, professional and answered all my questions. I have been a customer for oil for 20 plus years and when my a/c broke, I called them for a …
Just spoke to Penny this morning at Daniels due to us not having hot water this morning. She was very helpful and got us an apt for a service call for tomorrow. We are so thankful that they were able to set that up for us so quickly and …
I just purchased three Mitsubishi Heat Pumps from Daniels Energy in Portland. They gave me a good price, helped me get the 0% financing and installed the units promptly – and left my home as clean as they found it. I priced a number of companies and found Daniels to be very very competitive. Good people.
A wonderful experience with our new furnace installation!! The System 2000 is a joy! I loved that the crew put down a tarp so they didn’t track dirt across my basement floor. We were extremely satisfied — Daniels did everything as promised. We love our new furnace system and Daniels Energy!
During a difficult heating issue this winter, The Daniels crew was prompt, professional and informative. During the new installation they went above and beyond to help.
Way over priced for oil and propane and services. Finally switching companies and they won’t reimburse me for remaining propane… never like this co..so glad I’m done!
Recent installation of a Mitsubishi air conditioning unit in our finished basement featured timely, competent, and professional installers who left no mess! We were impressed with the ease and tidiness of installation both inside and …
We recently had Daniels replace our old air conditioning system, and they were courteous and competent – and most importantly, they respected our home by leaving it as neat and clean as when they came. We have used Daniels for over 20 years and have always been happy with their work.
We have a high end heating system that was installed by the previous owners. The Daniels Energy techs really understand the system which is a big comfort. The last time one was over, he went above and beyond, explaining details of the …
I recently had two mitsubishi double split AC/heat units installed by Daniels. A 10yr low finance rate was offered and paid through my Eversource bill. This was the main reason in moving forward with Daniels. CT for Change the finance …
We called Daniels to install central air with a new furnace. They gave us an reasonable quote and came in and did exactly what they said they were going to do. They left with everything cleaned and programmed the thermostat for us. We would highly recommend Daniels for your heating/air-conditioning needs.
This company will gouge you. They over charged me for a year and I had over $2,000 in a credit with them. I have asked multiple times for my money back. They continue to deliver oil and “use” my credit. Before this I was sold insurance by …
Recently had updating completed to our heat/air/zoning system. Dave & Brian were terrific. . Very efficient & fully instructed us on the new upgrade system. From start , scheduling with Chris, finish, overall great service.
I had a Mitsubishi model MUZ-GL12Na double split AC/heat unit installed by Daniels Energy on 7-30-2019 in my finished basement. At the time, I was using a 10,000 BTU a/c with a hose venting out the basement window. This setup was not very …
Daniels Energy was strongly recommended by a local builder and am absolutely satisfied with the Mitsubishi split zone air conditioning units–very energy efficient! Installation by knowledgeable and efficient people went very smoothly and finished ahead of schedule. Very pleased with the service and highly recommend to others.
This is the second time I used Daniels Energy for a major installation and again I was completely satisfied. In 2019 it was for a new boiler (System 2000 and we LOVE LOVE it). This time for a new A/C system (16 SEER Trane). The team was …
We had a propane parlor stove installed after decades of burning wood. We are very pleased with the stove’s ease and output of heat, and the quality service we have received from Daniels. As an example: On a Sunday, before leaving early on …
I wouldn’t recommend this company!! I called on a Saturday to get a delivery and the cost would have been $200 plus whatever the cost to fill my tank I opted out of that option they said they can do Monday between the hours of 9-10 that’s …
We’ve been using Daniels since we moved to Connecticut 13 years ago, and their service has always been excellent. This past summer, we needed to purchase a new heating and air conditioning system. The crew arrived on time, worked diligently, and answered all of my questions. They left our place clean and neat, too!
We moved to Glastonbury in May 2019 and needed an oil company for fuel oil and burner service. After doing our research we chose Daniels Energy. From the very start our experience has been nothing short of excellent. Customer service is …
I have been a customer for over 20 years and always have received excellent service without any interruptions or delays. When it came time to replace my HVAC system I gladly chose Daniels. This decision was influenced by my excellent …
Daniels showed up early to begin our replacement of an outdated oil tank and were done early, with the whole experience being extremely professional, the staff including Matt were very responsive to all my questions. The new tank looks amazing and we actually want to hang out in the basement again! Thanks Daniels for your help!
I am very pleased overall with Daniels Energy, every time I have contact the office everyone has been so pleasant and helpful. The representative that had come to our home to inspect both the propane and oil after purchasing our home was …
We recently had the need to have our furnace cleaned and serviced as we do every year. Daniels Energy assess that there was a major issue as carbon monoxide was being emitted into our condo. They immediately assessed to problem. Daniels …
I chose Daniels Energy for both oil and propane based on a recommendation from a family member when we moved to the area. Every staff person I have ever spoken with is friendly and efficient. The gauge on the oil tank was faulty when we …
We have had Daniels Energy for propane service for about a year. We decided to do business with the Daniels Co. because the offered a good propane price. The change to Daniels from another company went painless, Daniels took care of the …
Daniels Energy did a great job installing my new Air Conditioning system recently. The sales person did a thorough job and was available by phone when needed. The installation technicians were professional and answered all my questions. Super job!! I would highly recommend them.
Call yesterday before the storm as we were low on propane for the generator with the hurricane coming. The lady on the phone was very honest that they were very busy and couldn’t promise a delivery the next day. Sitting on the porch …
My father in law Jack S. had a great experience with Daniels. He got the best price and service! The installation crew and electrical crew were real pros. Daniels is lucky to have such employees. The splits are doing great! Thanks again for taking such good care of him. You will be my recommendation going forward.
Daniels just installed a new furnace for us and we couldn’t be happier! In 2012 we had a heat-pump system installed by them and were very happy. it worked great for heat and we finally had a way to get air conditioning without putting in 4 …
I have been a customer of Daniels Oil ever since I owned a home (about 14 years). Recently I needed an upgrade for a 50 year old furnace which was on it’s last leg. They converted my existing oil boiler to a high efficiency gas boiler. The …
Review Change: 3/3/21.
I spoke with one of the managers and they are aware that the verbiage at the bottom of the statement should be removed. Apparently, according to state laws, …
Biggest reason for going with Daniels—Daniels reputation and word of mouth. Our request for additional tutorial to run the system was promptly responded to. A pleasure to witness how well the crew worked together.
I’ve been a Daniels customer for over 30 years and feel confident in all items that I have Daniels take care of. If I have a issue they always handle it quickly and professionally. They just installed a new heating systems in my home and …
John Daniels
Daniels Energy …
Daniels has been our oil company for several years. They are reliable and prompt. We recently had a new furnace installed and the entire team was awesome, from sales through installation and service. All team members had excellent customer interface and were a pleasure to deal with.
We bought a new energy efficient furnace from Daniels in June, 2018. Their team was efficient, talented, and friendly and installed the furnace in 1 day. Keith Daniels was a pleasure to work with during the planning phase. Very …
We have been Daniels Energy propane customers for over 10 years. They consistently provide the best product and customer service. We recently purchased a ductless AC/Heating system from them. The sales and installation teams were just …
We had Daniel’s replace our first floor A/C including both inside and outside units……they were the only company out of 3 companies contacted that provided 3 detailed quotes/proposals with different options. (One company wrote the quote …
I recently reached out to Daniels Oil to inquire about the removal of a 500-gallon propane tank. Alana was more than helpful and within the hour I got a call from Dave. Dave then coordinated with a landscaper they work with and had them …
Customer service isn’t about making a customer happy when everything is going just right. It’s about solving a problem and doing whatever it takes to make a bad situation better. The Daniels folks truly understand what customer service is. I’ll be a lifelong customer!
I’ve been a Daniels customer for many years and have always found their service to be first-rate.
Daniels Energy did an amazing job last month replacing our old, inefficient oil boiler/furnace system with the System 2000 propane boiler, water tank, and air handler. Electric bill already dropped 25% from the previous month. Highly …
The folks at Daniels are terrific ~ from those on the phone answering my questions, to the techs servicing both our heating and AC, to the consistent oil delivery. They have always taken good care of us and we love being a Daniels customer!
From the estimation through to the installation Daniels was extremely professional and responsive to our questions. We could not have been happier. The crew was was excellent – exceeding our expectations from start to finish (and our house was not an easy install!!). We are just thrilled with the Mitsubishi units.
I hired Daniels Energy to install a new central air conditioning system in my home to replace a failed 21-year-old system installed when the house was built. I have to say that I was very pleased with the whole experience. The sales rep, …
After I spoke to the Daniels rep, I didn’t need to look any further. My contacts with telephone reps have been fun, very helpful and left me with the feeling I’m in good hands. The installers of my new home furnace and a/c were fast, …
I’ve had excellent service from Daniels during the more than 10 years I’ve been a customer. Given this past experience, I chose Daniels to install a mini-split ductless air conditioning unit in my home. The discounts offered by Daniels …
Daniels has been my primary resource for HVAC equipment and service for many years. Never had any reason to switch, they are prompt, easy to work with, and do quality work. This summer of 2021 they replaced the AC system at my guest …
We have been customers of Daniels for quite some time now and had them install a new boiler and oil tank. We were very pleased with the workmanship and all their staff! They completed the job in under 8 hours
2021
This spring we decided to complete our HVAC modernization. In the summer of 2019 Daniels upgrade our Air Conditioning, in March of 2021, they replaced our …
We have been a Daniels Energy heating oil and propane customer since moving to Madison 6 years ago. Recently the Daniels team installed 5 Mitsubishi mini-split ductless AC/heating units inside, and 2 compressors outside. The whole process …
I have been a long time customer with propane and oil (+15 years) I have never had a bad experience in all those years staff and repair crews have always been there when I needed service. Your treated like a member of the family. Will never change
We have been a customer of Daniels for over fifteen years. Our relationship started when they installed a new heating and air conditioning system in our house. Their service has always been timely, thorough and courteous. And that kind of …
The women who answer the phones, both propane and a c and oil are smart and know just where and when we can get service. Service: prompt and friendly. Daniels is the best! Steve Bank
Exceeded expectations…. the new Mitsubishi system was installed in one day. All the workers were very professional and courteous. Very satisfied with the project!!
Everyone I have dealt with at Daniels Energy has been very nice and customer-oriented. We recently purchased a home and had the old oil furnace replaced with a new propane furnace and also used Daniels to complete an annual servicing on …
We recently had a new boiler system installed by Daniels Energy. Daniels is and has been an extremely trustworthy and reliable company throughout the years we have contracted with them for our annual oil delivery and service. Leading up to …
I recently switched to Daniels Energy and it was a great decision. They installed a new boiler and water tank. The professionalism was incredible. From the people in the office to the techs that did the install. Very helpful and …
Daniels Energy sold and Installed my AC System for my home.
Now that I need service they said they won’t service it because I’m not a fuel customer. I Have natural Gas. …
We left a large (way too large!) oil company we had used for 35 years to switch to Daniels 6 months ago. Since then Daniels has replaced our furnace/AC system, installed an underground propane tank, propane piping, and an on-demand water heater. The workmanship has all been excellent, and the staff has been friendly and helpful.
Mitsubishi mini-split install. Great experience from sales to installation to start up. Crew arrived early and we went through the entire process before installation. They cleaned up after themselves throughout the install. Install was neat …
A family member referred us to Daniels Energy regarding a problem we had with the cooling system. We were very pleased with Daniels Energy from time of initial contact of our A/C problem to final installation of a new system. Technician …
I am a long time heating oil and maintenance client of Daniels Energy. Their oil prices have been one of the most competitive in our region. …
I have been a Daniels customer for many years and recently came to yet another realization as to why. Woke up to no hot water, technician here within a few hours, came to understand entire furnace needed replacement. Team spent hours …
Daniel’s people have been great to work with. They handled replacing my central air with a new heat pump. They had to update my zone controller as well. They did a great job. All the people have been great. Sales, the office staff that …
We had a new boiler installed by Daniels Energy and they did a great job! We chose Daniels because of quality of service & price. The technicians were very polite & did a very good job.I would highly recommend this business.
We’ve been a Daniels customer for many years. We were oil and recently converted to propane our entire home. Ron was our sales rep….not pushy as maybe at our age the conversation was clear ,simple and direct. The installation was flawless …
We have been a customer of Daniels Oil for many years. They have given excellent service during that time. When it was time to replace our furnace I did not hesitate to call Daniels. Furnace was installed in one day by their great …
selecting a new oil-fired boiler was a long process..many quotes from every company that serves my area. Ron D. was exceptional. he is focused on quality, not just another “sale”. Ron provided 3 impressive, detailed quotes (best I …
Daniels did a great job installing a new System 2000 oil furnace & boiler in our home. They were responsive and professional, and I trust them because they’ve serviced my furnace for years! John Daniels and the service manager were great to work with!
Our equipment is on the older side. Daniels always schedules us quickly, often within hours if it’s a water problem, no heat or an oil leak. We’ve had all 3 in the 20 years we’ve know Daniels Energy. We’ve seen several of their employees …
The whole process took less than a month. From the initial call, to meeting the salesperson, to completing the installation. On the day of the installation they arrived on-time and in one day they removed the old furnace and installed a new …
We recently purchased a 1972-vintage home with a heating system that was limping along on the original boiler. Of course, it died shortly after we moved in. Daniels gave us options to pick the system that was right for our budget. We had …
Shocked at the mistreatment by this company. I never leave reviews- but this is truly outrageous. They accidentally made a delivery to my home that I did not order, which was admitted to me by them (am not on auto delivery btw). They then …
My parents bought an HVAC system from Daniels but they won’t come out and repair it because “my parents aren’t buying their oil”…. so apparently they only service HVAC systems of customers who buy their oil, doesn’t matter to them that …
Your staff is amazing! The guys who did the mini-split installation to Alana in the office and anyone else I spoke to during this process were professional and friendly. I am very happy I chose Daniel’s Energy!
Just called and spoke to a gentleman named Matt to see if Daniels offers a discounted rate on oil for senior citizens. Was given a flat “NO! It’s straight pricing across the board for everyone!” and when asked why that was, I was given a …
This family-owned company (4 generations – wowza!) is just fantastic!! From the owner, John, to every single employee we had dealings with. We selected them to provide new propane service to our new house, and because of how awesome Dave …
Hello David,
This is Moshe, I wanted to thank you and your team for the great work they have …
We recently switched to Daniels Energy . Very professional company with competitive pricing. The service technicians are friendly, personable and very professional. They are a pleasure to speak with and extremely helpful. I highly recommend Daniels Energy as your heating company.
We are long time Daniels oil customers. In the last couple years, they have also replaced our furnace and installed a mini-split heat/ac system. Their products, services, fair pricing and customer support are truly 5 star worthy.
Well, what a fantastic pleasure it was to deal with Daniels Energy. I have been wanting to install a ductless air-conditioning unit for a long time. Daniels Energy was running an ad about BOGO free air units. I called Daniels and Tina set …
In August we lost our AC system. Both our propane heating system and AC were 27 years old. We decided to have Daniels provide a complete install of our HVAC system. Why Daniels? Service is number one, and the experience they provided with …
We chose Daniels Energy because of their immediate response time to our quote request and they offered the best price. Their estimator Keith was very nice and informative. Their installation team was very efficient and friendly. When the …
My wife and I recently had a ductless HVAC system installed in our home and we are overjoyed. We reached out to several companies but Daniels was the only one who completely explained the options and benefits and really took the time to …
We have been customers with Daniels for about three years now, they do our propane service and also we recently replaced our central A/C using them. They are always prompt to respond, punctual, and the workers have always been professional …
Daniels is great for oil delivery, but they were particularly awesome with the installation of our split AC system as well as an emergency boiler replacement/removal/installation when our old boiler failed. The AC install was complex due to …
Daniels energy has always been our oil company. We recently decided to get central air, a new furnace and air purifier who else but Daniels they did a great job and finished in a day. The installer’s were very friendly. I would recommend the to everyone.
Great crew for a central air install. Friendly , worked hard and were respectful of my house. When they left the space was cleaner then when they arrived. Your customer service was even more professional than when I purchased a heating unit 10 years ago. I highly recommend Daniels Energy.
We have used Daniels Energy for over 20 years and recently had a new mini-split system and new propane installation. The experience was great as is our regular oil service. Everyone on the team has been super throughout this process. The …
We recently had a ductless heating/cooling system installed in our home. Daniels was chosen because of the years they have been in business and are family run. The entire staff from those in the office to the technicians who installed …
My parents have been customers of Daniels Energy since the 1970s. I did a lot of research on upgrading their heating from oil to a mini-split. They have always received good customer service when they needed their boiler serviced. They were …
I’ve been a Daniels customer since 1991 and have always been very satisfied with the service provided. When it was time to upgrade my central AC system, I asked Daniels to explain the options available to accomplish my requirements. The …
Daniels has been our energy provider for the past 20 years. Recently, we hired Daniels to install a mini-split heating/cooling unit in our house. We were very pleased with the outcome. Overall, the process was convenient, quick and easy. …