1. Combined Energy Services

0

Monticello, NY

Combined Energy Services

2.6 (55 reviews)
Open • 7:00 am - 6:00 pm

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Response time

50 minutes

Response rate

100%

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Dylan and Mike came yesterday to fix our gas fireplace. They were wonderful. Their work was competent, professional, and they went above and beyond. They even swept up every last bit of mess from cleaning and repairing the fireplace. Highest recommend.

Ureka W.

Im new to the area and chose CES to hook up my propane for cooking gas. This was a good decision. They were very professional and prompt with the service the whole way through. The service technician,Shain, came early in the morning and he was very polite, respectful and knowledgeable about the installation process. We were very impressed. My stove works great and the whole process was seamless.

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22 days ago

Lavinia was so helpful setting up our account. She was Friendly and knowledgeable and got us a competitive rate. .

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Jaci T.

Thank you, Diane, for your kind words and 5 Stars.

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9 months ago

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4 months ago

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Jaci T.

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9 months ago

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Jaci T.

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1 year ago

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Jaci T.

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1 year ago

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Jaci T.

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2 years ago

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Jaci T.

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10 months ago

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Jaci T.

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1 year ago

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Jaci T.

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1 year ago

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Jaci T.

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2 years ago

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3 years ago

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Jaci T.

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4 years ago

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Jaci T.

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7 years ago

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Mike T.

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3 years ago

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Jaci T.

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6 years ago

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Jaci T.

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4 years ago

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Jaci T.

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5 years ago

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Jaci T.

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2 years ago

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Jaci T.

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5 years ago

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Jaci T.

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5 years ago

Brian Osborne was great. He was fast and efficient and took care of a gas leak for us on a holiday.

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Jaci T.

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5 years ago

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Jaci T.

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6 years ago

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Jaci T.

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5 years ago

Service was Great, the technician Brian Osborne was very knowledgeable and got the service done quickly

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Jaci T.

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5 years ago

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Jaci T.

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5 years ago

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Jaci T.

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8 years ago

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Mike T.

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5 years ago

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5 years ago

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Jaci T.

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6 years ago

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6 years ago

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Jaci T.

Thank you Bethany! We appreciate your kind words.

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7 years ago

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Mike T.

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8 years ago

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8 years ago

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Mike T.

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7 years ago

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Jaci T.

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10 years ago

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Mike T.

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7 years ago

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Jaci T.

Thank you for your kind words, Johanna, and welcome to the CES family!

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7 years ago

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Jaci T.

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8 years ago

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Page 1 of 2

Ask the Community - Combined Energy Services

Review Highlights - Combined Energy Services

“Dylan and Mike came yesterday to fix our gas fireplace.”

Mentioned in 4 reviews

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We got a little cabin in Smallwood late last year, the day of the first snowstorm, so we were kinda…read morestuck with the tank from Combined EnergyServices (CES) for our first winter. However, when I started comparing what we were being charged with receipts from the home's previous owner, the rates were higher than expected. When I called to negotiate with CES, they were uncooperative and failed to even call me back several times. No response to emails, either. Combine that with all manner of absurd policies and fees, and I had enough. Another local business, Sullivan County Septic, recommended I take a look at Van Etten Oil (VEO), so I sent an email and got a personal reply from Eli Van Etten, who quoted me a great rate for LP, along with a no-nonsense price to get a new tank installed and ready to go. I was already being treated better than CES had been so I leapt at the opportunity. On installation day, super friendly Mike showed up and put the new tank in, moved the old tank to the perfect out-of-the-way spot in the yard so it could wait for CES to pick it up, then safety checked all my gas appliances and made a couple of simple recommendations that were much appreciated. On top of everything else, they do algorithmic forecasts of your use needs so that the tank gets filled without you having to remember to call, and the price is better, even if you don't buy a ton of gas from them. Win, win win.

PS: They didn't "credit" me for what was remaining in the tank. They charged my friend's credit…read morecard hundreds of dollars who bought the prior delivery for me. This company is so utterly corrupt. They are thieves and liars.

Sullivan Heating and Cooling

Sullivan Heating and Cooling

(5 reviews)

Called Sullivan in Monticello, NY, to attend to a low water pressure warning on my combination HW…read moreheater/boiler. They came in the house and IMMEDIATELY warned that this code "usually means tankless water heaters are shot." Mind you, this system is only ten (10) years old and in good shape. After removing the cover and looking at the heater, they closed it again and left. According to the invoice, "Technician found the boiler should be replaced, there are several leaks, the heat exchanger has calcification. The unit has not been maintained in a long time and is beyond cleaning. Technician did currently leave it working but it will shut down again." I then get a bill for $159. The problem is, the heater WAS WORKING when they arrived, worked fine throughout their stay, and continued to work without any assistance from them. When I contacted another plumber, he found zero leaks, then explained the unit required nothing more than a heat exchanger and routine service and was nowhere near the end of its service life. Apparently Sullivan is more anxious to sell and install new heating system than to service existing ones fairly.

I am very pleased with the work that Sullivan Heating and Cooling has done for me in Highland Lake…read more They installed a heating/ac unit in my house and replaced a heating element in the hot water tank. Two separate occasions, two separate issues and I have been satisfied both times. They also wrapped my pipes in the garage.

Combined Energy Services - hvac - Updated October 2026

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