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Neftco Mechanical LLC is a heating and cooling company whose website says it helps find the right HVAC solution for a home or business, and it says it has been in business 15 years. A 2023 HomeAdvisor customer described an installation of a Navien heater system and maintenance service on an oil heater system. A 2026 Google customer said they don't try to stiff you.
These guys are great. They don’t try to stiff you like the other ones
Exelent installation of the Navien heater system. Also great maintenance service on a oil heater system . Profesional Service.
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2 changes recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Neftco Mechanical LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700