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Advanced Ductless, Inc. is a Randolph, MA company installing heat pumps and ductless mini-split systems, run by manager Thai Nguyen alongside Lead Comfort Advisor Vincent "Vinny" Searle. The company offers free assessments, identifies as a Mass Save Heat Pump Installer, and says its installations are backed by a licensed master electrician; it primarily serves small businesses such as salons, restaurants, and offices as well as homeowners across the Greater Boston area. All six reviews are from 2026, and every one is five stars. Customers describe quick responses and technicians who show up on schedule: one reviewer said the team was quick to respond and had a new AC and heat system installed, while another said the crew was timely, showed up as scheduled for repairs, and cleaned up afterward. One customer called in for a water heater replacement and had the crew also find and fix a failing water valve, calling the work detailed and patient. Reviewers repeatedly name Thai and Vinny directly, describing them as knowledgeable and responsive, especially during extreme heat or cold. Advanced Ductless is a good fit for homeowners and small businesses in the Randolph area who need a heat pump or ductless mini-split installed, particularly those pursuing Mass Save rebates, and its reviewers describe fast, attentive service from a small, hands-on team.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Advanced Ductless, 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
Since I contacted them they were quick in responding back and making everything possible to move things along and get my system installed! Very happy with our new AC and heat system.
Very Nice…Great service
Great service and price. I was calling for the water heater replace, when they work on the it, then found the water valve doesn’t work. They helped me add a new water valve . These guys work really detailed and patient. Definitely if I need help again, I’ll call them.highly recommend!
Great Company ..Vinny is hugely knowledgeable!!!!!
They were timely in their response and showed up when they scheduled the repairs. They cleaned up and left things in order.
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1 change recorded — last scanned Sep 18, 2026.
Owner stays involved3.9
Same-day heat-pump system replacement3.2
Sheet metal fabricationNot yet rated