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24 mechanics listed · 4 in Nashua · 5 open weekends · 23 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
Listed for drivers in and around Nashua, NH, these 24 shops list coolant flushes and antifreeze service. What each one says about the coolant types it stocks, machine flushes and warranties comes from its own website; ratings and quotes come from public reviews.
4 of the 24 mechanics we list are based in Nashua; the other 20 serve Nashua from towns including Hudson (4 mi), Manchester (16 mi) and Merrimack (3 mi). The mechanics on this page are rated from 4.3 to 5.0 across 3,544 reviews; 18 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (87%), quality (77%) and value (75%). The topics that come up most in reviews of the mechanics on this page are "honest", "diagnosis" and "fair". 5 are open on Saturdays. The services the mechanics on this page list most often on their websites are oil change (4), tires (3), auto repair (2), brake repair (2) and brakes (2). 1 shows a license on its website; 3 list staff certifications (ASE) and 14 have a BBB rating of A or A+. 19 have ten or more years of experience, the longest 51 years. 1 offers emergency or roadside call-outs; 3 offer financing; 3 give free estimates; 3 are family- or locally-owned and 8 list coupons or special offers. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Online booking is offered by 6 of the 24 shops. Put your engine and the coolant specification in the notes when you book, since the shop needs the right fluid on the shelf before you arrive rather than a universal jug under the counter.
