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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Kieras Oil, Inc.. 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
Kieras Oil is a family-run heating-oil and HVAC company out of Amherst, run by Robert (Bob) Kieras — the BBB lists the business as started in 1971, though its own site describes itself as doing boiler repair "since 1949." Whichever founding date is right, its reviewers describe a business that's stuck around: several say they've been customers for 20, 30, even 40 years, through both automatic delivery and pay-as-you-go plans, and a 2021 review describes Bob personally fixing a boiler issue a competitor had failed to solve after several paid visits. The word that shows up most in the reviews is speed. Customers describe a technician showing up within a couple of hours of a furnace failure, an AC fixed at 8pm on a Friday night, and a boiler that went down on New Year's Day repaired within hours. One reviewer set up a new account in the afternoon and had an oil tank filled before noon the next day. Not every visit has gone that smoothly. In an August 2024 review, a customer describes a technician who misdiagnosed a heating problem, tried to upsell a separate water heater, and charged $1,000 for a replacement "computer" that turned out not to be the issue at all — a second technician fixed it with a cheap valve, with no apology offered for the first visit. Kieras carries an A+ BBB rating (it is not a BBB-accredited business) and states NEFI and MEMA trade-association memberships. This is a fit for a homeowner who wants a long-established local oil and HVAC company that answers emergencies fast — just ask questions if a big-ticket repair is quoted before agreeing to it.
“Kieras Oil in Amherst”
“After the tragic passing of his father, John began the lifelong journey as co-owner of Kieras Oil with his youngest brother, Bob.”
Kieras has been delivering my oil for a while with no problems, definitely do the prepay plan. Thank you for sending your repair guy so quickly to replace the blown capacitor in our furnace before the house got too cold, you're awesome!
Great people, great service. They are both helpful and efficient. Highly recommend!
I'd choose these people ALL DAY. Good, thoughtful, reasonable people. Imagine that.
This company has always been undeniably reliable, personable and caring! I can tell that this is a family owned operation and that they dedicate themselves to the customers and service. Never once have had a large issue with anything and the small ones have been resolved quickly and efficiently! I recommend them to anyone looking for a local oil company!
Set up a new account in the afternoon and they filled my oill tank before noon the next day. May have been in the neighborhood but still amazed. They have their act together.
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1 change recorded — last scanned Aug 16, 2026.
State-verified HVAC license2.9