Best Licensed HVAC Contractors in Watertown, CT
8 HVAC contractors registered in Watertown hold current DCP licenses, verified against official records as of August 20, 2026. All 8 are listed below, ordered by years licensed.
- 36 current DCP heating, piping and cooling contractor licenses held in Watertown
- 8 trade-name companies in Watertown are backed by those personal licenses
- Scope tiers among Watertown's licenses: 19 unlimited, 17 limited
- Median time licensed in Watertown: 25 years
- Longest-standing license behind a Watertown trade-name company: issued in 1984
We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.
- Verified
- August 20, 2026
- Licensed since
- 1984
- Held by
- KEITH M LABBE
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 1991
- Held by
- JOSEPH A SCHIAPPA JR
- Scope
- Unlimited
3.Best Oil
- Verified
- August 20, 2026
- Licensed since
- 1992
- Held by
- MICHAEL F RISUCCI JR
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 1995
- Held by
- THOMAS L GARRITY
- Scope
- Unlimited
- Verified
- August 20, 2026
- Licensed since
- 2000
- Held by
- KENNETH J DONAHUE
- Scope
- Unlimited
- Verified
- August 20, 2026
- Licensed since
- 2000
- Held by
- SCOTT M SARRACCO
- Scope
- Unlimited
- Verified
- August 20, 2026
- Licensed since
- 2009
- Held by
- GARY N VALIMONT
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 2026
- Held by
- IAN R HRIPAK
- Scope
- Limited
Compare the top 6 at a glance
| Company | License | Scope | Licensed since |
|---|---|---|---|
| Labbe Heating & Cooling LLC | #HTG.0307866-D1 | Limited | 1984 |
| York International Corporation | #HTG.0303529-S1 | Unlimited | 1991 |
| Best Oil | #HTG.0308879-S7 | Limited | 1992 |
| Frank A Garrity Co Inc. | #HTG.0385597-S1 | Unlimited | 1995 |
| Donahues Plumbing & Heating | #HTG.0390541-S1 | Unlimited | 2000 |
| Sarracco Mechanical Services Inc. | #HTG.0391019-S1 | Unlimited | 2000 |
Watertown HVAC licensure at a glance
Connecticut licenses people, not companies, so this page counts both and says which is which: 36 current DCP heating, piping and cooling contractor licenses are held in Watertown, and 8 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: 19 of Watertown's licenses are unlimited and 17 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 Watertown license has been held 25 years, and the longest-standing license behind a trade-name company was issued in 1984. 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 Watertown: common questions
How many licensed HVAC contractors are there in Watertown?
36 current DCP heating, piping and cooling contractor licenses are held in Watertown, backing 8 trade-name companies. 8 Watertown-registered companies passed our license verification, and all 8 are listed on this page. 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. 19 of Watertown's 36 licenses are unlimited scope and 17 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 Watertown license has been held 25 years, and the longest-standing license behind a trade-name company was issued in 1984.