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KJB HVAC & Services is a Worcester-area HVAC business led by Claudemir, and its Thumbtack profile says the company has four years of experience, two years in business, two employees, and a completed background check. The profile lists heating and cooling work alongside duct and vent installation, removal, replacement, and cleaning-related services, including rigid sheet-metal, flexible non-metallic, and fiberglass duct materials. The five dated Thumbtack reviews shown are from April through July 2024. Customers describe duct-line fabrication for new installation, AC service, punctuality, professionalism, clear explanations, and work that met or exceeded expectations. Thumbtack displays a 5.0 rating from eight ratings and 49 projects, but the written review history here is five reviews from one source and is not a recent sample. Before booking, confirm the exact scope, current availability, pricing, and any permits or credentials needed for the planned HVAC or duct work. KJB may be a fit for homeowners seeking duct or AC assistance who want a small, background-checked provider; ask for a written scope and current references for your specific project.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from kjb.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
Excellent work, punctual, capricious and an incredible experience
Claudemir did a great service on my AC, he is very professional and I love the quality of service
I highly recommend KJB HVAC & Services. In addition to their quality work, they delivered beyond my expectations. I am extremely happy and satisfied.
KJB HVAC is the epitome of professionalism and reliability in the HVAC industry. From the moment you contact them, their commitment to exceptional service is evident. Their team of experts is not only highly skilled but also genuinely passionate about ensuring your comfort needs are met. Whether it's a routine maintenance check or a complex repair, KJB HVAC approaches every job with precision and efficiency, delivering top-notch results every time. What truly sets KJB HVAC apart is their unwavering dedication to customer satisfaction. They prioritize transparency, providing clear explanations of the issues at hand and offering viable solutions tailored to your specific needs and budget. Their friendly and approachable demeanor makes working with them a breeze, and their use of cutting-edge technology ensures that your HVAC system operates at its best. If you're in need of HVAC services, look no further than KJB HVAC for a seamless experience and unparalleled results every time.
KJB is one of best hvac technician With respect Specially he is best duct line fabricator for new installation Anybody want to know his job quality Do not hesitate to contact me
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1 change recorded — last scanned Aug 25, 2026.
Transparent diagnostics5.0
Repeat, years-long customers5.0
Decades-long customers5.0
Honest, no-upsell service5.0
Honest pricing5.0
