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Emerald HVAC LLC is a family-owned Leominster, MA HVAC company doing commercial and residential heating and cooling, from new construction and renovation to service and maintenance; BBB names George Gray as owner of an LLC started in January 2024. Google shows 5 stars from 8 ratings, Angi and HomeAdvisor each 5.0 from 15 ratings and Thumbtack 5.0 from 5, and BBB gives an A grade while listing it as not BBB accredited. In a May 2026 Google review, a customer says the AC failed on the first 90 degree day of summer and Emerald gave service the same day. A July 2024 Google review from a Boston condo describes George ordering a replacement outdoor unit to fit the existing duct work and footings, with Jose and an assistant installing it within a week of the first call at a price the customer calls very fair. In a May 2025 Google review, a customer says José replaced a faulty filter dryer that other companies would not take on, after years of an intermittent AC.
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Reasonable price, good options that we needed. Very attached to details. Very responsible. Good profeccionals! Thank you!
Highly recommend! George was easy to work with and completed my job quickly and efficiently at a reasonable price.
When the AC fails on the first 90 degree day of the summer and you get service the same day? Emerald to the rescue! George is smart, knowledgeable, and, above all, caring. We received amazing service.
Happy with service. Engineer showed app on time, checked out. The system addressed all my concerns did not do what's unnecessary, great service.
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Certified attributes are verified against the public registry. Others are the business's own statement.
3 changes recorded — last scanned Sep 9, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Emerald HVAC LLC. 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
