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Conger's Heating & Cooling, Inc. delivers home heating oil and works on heating and cooling systems, and it says it has been in business 20 years. The towns it lists as its service area include Leominster, Fitchburg, Holden, Clinton, Groton and Acton. It holds 4.9 stars from 72 Google ratings, and 4.9 stars from 23 ratings on both HomeAdvisor and Angi. A customer who has bought home heating oil from the Conger family for almost 15 years describes them as a husband and wife duo. When that customer's older steam heat furnace would not ignite, Shawn called back in less than an hour and, since the customer is a handyman, told them how and where to buy the replacement parts to do the repair themselves and save money. A customer says Conger's did a great job replacing their old furnace. In a 2026 review, a customer who called at 7:30 AM almost out of oil said they were at the door within three hours. In a 2025 review, a customer said that when their mom ran out of oil on New Years Eve, Shawn delivered and primed the line to get everything working again. In another 2025 review, a customer said Shawn, the owner, installed a brand new oil tank at their Holden property and fixed leaking pipes. In a 2024 review, a customer said Shawn installed a Google Nest smart thermostat during a service visit. In a 2020 review, a customer said Shawn replaced their 32-yr old heating system with a 5-zone Buderus G115, a Riello burner and a SuperStor water heater, and tested and marked each zone with them when he was finished. In a 2013 review, a customer said the estimate was in the 150-200 range but the bill came to $443, with $191 in parts, and that Shawn did not respond when they wrote to him about it.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Conger's Heating & Cooling, Inc. Home Heating Oil Delivery & HVAC Services. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
I have been getting my home heating oil from the Conger family for almost 15 years. They are a husband and wife duo. Shawn is a master plumber and HVAC technician. I have an older steam heat furnace. I ran out of heating oil so I added about 10 gallons so I can get hot water again to shower and clean my dishes. When I tried firing up the furnace again it would not ignite. The control modular had stopped working. So I called Shawn Conger to book an appointment. Shawn called me back less than an hour later and he talked to me...Not just to book the appointment. He asked me what was wrong. He told me it could be a very expensive fix if I wanted him to go to my home. I am a handyman so he told me how and where to buy the replacement the parts, over the phone, if I wanted to do it myself and save money. I did and I repaired my furnace myself. Next will be buying heating oil from him when I have enough money saved up. Shawn will continue to get my business as long as he is in business because he cares about his customers.
Conger’s did a great job replacing my old furnace. I highly recommend them for your heating and cooling needs. I
I recently relocated to the area and was referred to Congers Oil and I am so grateful! I had an issue with my heat, Sunday night at 11pm, after a holiday weekend. I called the emergency line and left a message as instructed. Not only did I receive a call back, Congers helped me to figure out what the issue actually was, as I was deeply concerned that the gauge had malfunctioned. However, thanks to Conger carefully monitoring oil level, that was not issue. And even then, they helped me to diagnose and solve the problem - kindly, quickly and politely! Would I recommend Congers - absolutely - particularly for their customers service - which is second to none!
Outstanding service from Conger’s Heating and Cooling. I called at 7:30 AM to let them know I was almost out of oil, fully expecting a next-day delivery—which would have been good service on its own. Instead, they were at my door within three hours. That level of responsiveness is truly extraordinary. Professional, reliable, and clearly committed to their customers. Highly recommend!
We have been using Conger's Oil for many years and have always had a great experience from Tammy on the phone and Shawn on delivery, but today they went way above just great service to exceptional service. I also have them fill my mom's oil tank, but with the holiday season I forgot to call in for a fill up and sure enough she ran out today (New Years Eve). I called their emergency number and quickly got a response from Shawn. He said that he could head that way shortly and also primed the line to get everything working again. He texted me after the delivery and priming to let me know my mom's home should be warming up shortly. What a huge relief it was to know of their reliability, and it was in great hands. I highly recommend them for their friendliness, professionalism, affordability, reliability and so much more. Thanks Again, Alan
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2 changes recorded — last scanned Sep 26, 2026.
Transparent diagnostics5.0
Broad plumbing and HVAC range5.0
Repeat, years-long customers5.0
Water heater and boiler installs5.0
Two AC technicians out within a few hours5.0
32 years in business2.4