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Best Licensed HVAC Contractors in Danbury, CT

15 HVAC contractors registered in Danbury hold current DCP licenses, verified against official records as of August 20, 2026. The 8 below are the top-ranked, ordered by years licensed.

How we chose: We identified 15 companies registered in Danbury. 15 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. Verified
    August 20, 2026
    Licensed since
    1985
    Held by
    ANDREW A TESTA JR
    Scope
    Limited
  2. Verified
    August 20, 2026
    Licensed since
    1989
    Held by
    RICHARD A SHOOK SR
    Scope
    Limited
  3. Verified
    August 20, 2026
    Licensed since
    1992
    Held by
    EDWARD B DEBRITO
    Scope
    Unlimited
  4. Verified
    August 20, 2026
    Licensed since
    1999
    Held by
    PAUL A SALVATORE
    Scope
    Limited
  5. Verified
    August 20, 2026
    Licensed since
    1999
    Held by
    CARMINE IAPALUCCIO JR
    Scope
    Unlimited
  6. Verified
    August 20, 2026
    Licensed since
    1999
    Held by
    ANTHONY P CERULLI
    Scope
    Limited
  7. Verified
    August 20, 2026
    Licensed since
    1999
    Held by
    ALEXANDER W RUSSELL JR
    Scope
    Unlimited
  8. Verified
    August 20, 2026
    Licensed since
    2000
    Held by
    DAVID R WESTERFIELD
    Scope
    Unlimited

Compare the top 6 at a glance

CompanyLicenseScopeLicensed since
Testa Refrigeration LLC#HTG.0308111-D1Limited1985
Home Imprv Contr#HTG.0308529-S3Limited1989
E Debrito Co Inc.#HTG.0303537-S1Unlimited1992
Salvatore Plumbing LLC#HTG.0389128-S7Limited1999
C Iapaluccio Co#HTG.0302912-S1Unlimited1999
Landmark Air Systems#HTG.0306629-D1Limited1999

Danbury HVAC licensure at a glance

Connecticut licenses people, not companies, so this page counts both and says which is which: 48 current DCP heating, piping and cooling contractor licenses are held in Danbury, and 15 trade-name companies are backed by those license holders. A business appears here only when licensed contractors operate under a registered trade name, and each listing names the person whose license backs it. The state also defines a scope on every credential: 26 of Danbury's licenses are unlimited and 22 limited - shown as published, never ranked on, because scope authorises kinds of work rather than ordering quality. Tenure is what these pages rank on: the median Danbury license has been held 24 years, and the longest-standing license behind a trade-name company was issued in 1985. Licenses here expire on one statewide date per trade each year, so an expiration date says nothing about an individual company and none is shown per listing - it gates currency only. DCP publishes no insurance, no bond and no phone for any licensee, so Connecticut listings show none of the three. eLicense cannot link straight to a record, so every listing above shows its number for you to paste into DCP's eLicense lookup. How we verify.

HVAC Contractors in Danbury: common questions

How many licensed HVAC contractors are there in Danbury?

48 current DCP heating, piping and cooling contractor licenses are held in Danbury, backing 15 trade-name companies. 15 Danbury-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses in DCP's four live statuses, unexpired at our data date, count.

Who holds a Connecticut HVAC license - the company or a person?

A person. Connecticut licenses people, not companies: a business appears here only when licensed contractors operate under a registered trade name, and each listing names the person whose license backs it. 26 of Danbury's 48 licenses are unlimited scope and 22 limited - shown as published, never ranked on.

How do I check an HVAC contractor's license in Connecticut?

Every listing above shows the license number and names its holder. DCP's eLicense lookup cannot link straight to a record, so open it and type the number in. The median Danbury license has been held 24 years, and the longest-standing license behind a trade-name company was issued in 1985.

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