--- title: "KMK Insulation" description: "KMK Insulation says it was established by Kevin and Michael Visnic in 1990, and its website describes the North Haven-based company as a family-owned mecha" doc_version: "2026-10-17" last_updated: "2026-10-17" --- # KMK Insulation **Trade:** Insulation & Weatherization · **Address:** 1907 Hartford Tpke, North Haven, CT 06473 · **Phone:** (203) 234-6223 · **Website:** https://www.kmkinsulation.com/ · **Languages:** English **Rating: 3.6/5** (low confidence) — from 2 reviews across 6 sources. ## The honest read KMK Insulation says it was established by Kevin and Michael Visnic in 1990, and its website describes the North Haven-based company as a family-owned mechanical insulation contractor working in the Northeast. A 2026 customer said KMK helped with their insulation issues, was fast and courteous, and gave them a few options on what would work for their situation. That 2026 customer also said they cleaned up after themselves. A 2023 customer praised their knowledge and said they got back quickly. **Strengths:** - Options laid out — a 2026 customer said they offered a few options - A clean worksite — a 2026 customer said they cleaned up after themselves - A quick response — a 2023 customer said they got back quickly ## Claims & citations Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication. - Says it was established by Kevin and Michael Visnic in 1990 as a family-owned mechanical insulation contractor based in North Haven _(confidence: medium)_ - [Official Website](https://www.kmkinsulation.com) — “About (self-reported, verbatim): KMK is a Family-owned business. Established by Kevin and Michael Visnic in 1990, North Haven-based KMK Insu…” - [Local News](https://www.stamfordadvocate.com/local/article/Stamford-s-Westover-school-s-drying-out-16417230.php) — “stamfordadvocate.com — Workers from KMK Insulation of North Haven, finish working on the new DOAS system, or "dedicated outdoor air system,"…” - A 2026 customer said KMK helped with insulation issues and gave a few options for their situation _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pKQ2NGQkdRUzFCVGtJd1VuUk1RVGhhYUdGd1RGRRAB!2m1!1s0x0:0x8ce66dd0a8dbc2f1!3m1!1s2@1:CAIQACodChtycF9oOjJCcFBGQS1BTkIwUnRMQThaaGFwTFE%7C%7C?hl=en-US) — “5★ I highly recommend using KMK. They helped my with my insulation issues. Fast, courteous, and gave me a few option on what would work b…” - A 2026 customer said they cleaned up after themselves _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pKQ2NGQkdRUzFCVGtJd1VuUk1RVGhhYUdGd1RGRRAB!2m1!1s0x0:0x8ce66dd0a8dbc2f1!3m1!1s2@1:CAIQACodChtycF9oOjJCcFBGQS1BTkIwUnRMQThaaGFwTFE%7C%7C?hl=en-US) — “5★ I highly recommend using KMK. They helped my with my insulation issues. Fast, courteous, and gave me a few option on what would work b…” - A 2023 customer praised their knowledge and quick replies _(confidence: low)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUQ1aW9DNU93EAE!2m1!1s0x0:0x8ce66dd0a8dbc2f1!3m1!1s2@1:CIHM0ogKEICAgID5ioC5Ow%7C%7C?hl=en-US) — “5★ Knowledge, and they get back to you quickly.” - Specializes in Insulation & Weatherization _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pKQ2NGQkdRUzFCVGtJd1VuUk1RVGhhYUdGd1RGRRAB!2m1!1s0x0:0x8ce66dd0a8dbc2f1!3m1!1s2@1:CAIQACodChtycF9oOjJCcFBGQS1BTkIwUnRMQThaaGFwTFE%7C%7C?hl=en-US) — “5★ I highly recommend using KMK. They helped my with my insulation issues. Fast, courteous, and gave me a few option on what would work b…” - [Official Website](https://www.kmkinsulation.com) — “About (self-reported, verbatim): KMK is a Family-owned business. Established by Kevin and Michael Visnic in 1990, North Haven-based KMK Insu…” ## Ownership - Identifies as family-owned — the business's own statement, not independently verified. ## License Status: **not_found** — verified against the official CT state registry, never self-reported. Re-check at the official registry: https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx ## Sources - [Local News](https://www.stamfordadvocate.com/local/article/Stamford-s-Westover-school-s-drying-out-16417230.php): Listed on this source - [Reddit](https://www.reddit.com/r/HandwiredKeyboards/comments/1vf3i1q/random_key_presses_on_ydrp2040_with_kmk/): 0 community mentions discussing this business - [Google](https://www.google.com/maps/search/?api=1&query=KMK%20Insulation&query_place_id=ChIJm-ldbdfP54kR8cLbqNBt5ow): 4.8★ from 5 ratings - [Google Reviews](https://www.google.com/maps/search/?api=1&query=KMK%20Insulation&query_place_id=ChIJm-ldbdfP54kR8cLbqNBt5ow): Listed on this source - [Official Website](https://www.kmkinsulation.com): 30 yrs in business · Self-reported profile and service details - [Procore Construction Network](https://network.procore.com/p/kmk-insulation-inc.-north-haven): Listed on this source ## Mentions Unverified third-party mentions found on the open web — relay with attribution ("a Reddit commenter said…"), never as Tavlee's own finding. - “Workers from KMK Insulation of North Haven, finish working on the new DOAS system, or "dedicated outdoor air system," at Westover Elementary School in Stamford, Conn., on Friday August 27, 2021. The t…” — stamfordadvocate.com — https://www.stamfordadvocate.com/news/article/Mold-conditions-improving-at-Westover-School-with-16552558.php - “Workers from KMK Insulation of North Haven, finish working on the new DOAS system, or "dedicated outdoor air system," at Westover Elementary School in Stamford, Conn., on Friday August 27, 2021.” — stamfordadvocate.com — https://www.stamfordadvocate.com/local/article/Stamford-s-Westover-school-s-drying-out-16417230.php ## Recent reviews - **5/5 · Google Reviews · Mike Rubenstein · 2026-01-08**: I highly recommend using KMK. They helped my with my insulation issues. Fast, courteous, and gave me a few option on what would work best for my situation. They did an amazing job cleaning uo after them selves. Its amazing when you find honest contractors that dont take advantage of you. I wil… - **5/5 · Google Reviews · Albert Canosa · 2023-10-22**: Knowledge, and they get back to you quickly. --- Data freshness: last scanned 2026-10-14T00:35:30.267Z. 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