Directory / Manchester / HVAC
OSA Heating & Cooling LLC
15 permits across 2 towns in the last 6 months
HVAC · Plumbing · Building
Business contact from Stamford OpenGov record (signed-in), checked Nov 13, 2026. Not from permit records.
Activity by month
Permits filed each month. The first and last months are partial.
Where they’re working
Permits filed under this contractor by state and town, last 6 months.
Connecticut 15
Types of projects
By place, trade and period
| Town / city | State | Trade | Last 90 days | Last 6 months | All documented |
|---|---|---|---|---|---|
| Manchester | CT | HVAC | 5 | 5 | 5 |
| Manchester | CT | Plumbing | 5 | 5 | 5 |
| Darien | CT | HVAC | 3 | 4 | 4 |
| Manchester | CT | Building | 0 | 1 | 1 |
Permit timeline
- Nov 4, 2026HVAC PermitDarien · HVAC · Sheet metal · 1 · #H-26-608
- Nov 4, 2026HVAC PermitDarien · HVAC · Sheet metal · Complete · #H-26-607
- Oct 28, 2026HVAC PermitDarien · HVAC · Sheet metal · Complete · #H-26-588
- Sep 8, 2026Installation of Samsung heat pump system for existing unit 50D as a part of apartment remodelManchester · HVAC · Commercial or Multi-Family HVAC Repair & Replacement Mechanical Permit Application · Issued · #MC-019400-2026
- Sep 8, 2026Plumbing installation for existing apartment unit 50A as a part of the apartment remodel including kitchen and bathroom Manchester · Plumbing · Commercial or Multi-Family Plumbing- DWV & Water only Permit Application · Issued · #PC-019405-2026
- Sep 8, 2026Plumbing installation for existing apartment unit 50- B the apartment remodel including kitchen and bathroom DWV and domManchester · Plumbing · Commercial or Multi-Family Plumbing- DWV & Water only Permit Application · Issued · #PC-019408-2026
- Sep 8, 2026Plumbing installation for existing apartment unit 50-C as a part of the apartment remodel including kitchen and bathroomManchester · Plumbing · Commercial or Multi-Family Plumbing- DWV & Water only Permit Application · Issued · #PC-019409-2026
- Sep 8, 2026Installation of Samsung heat pump system for existing apartment unit 50C as part of apartment remodelManchester · HVAC · Commercial or Multi-Family HVAC Repair & Replacement Mechanical Permit Application · Issued · #MC-019399-2026
- Sep 8, 2026Installation of Samsung heat pump system for existing apartment unit 50A as a part of part of the apartment remodelManchester · HVAC · Commercial or Multi-Family HVAC Repair & Replacement Mechanical Permit Application · Issued · #MC-019397-2026
- Sep 8, 2026Installation of Samsung heat pump system for existing apartment unit 50B as part of apartment remodelManchester · HVAC · Commercial or Multi-Family HVAC Repair & Replacement Mechanical Permit Application · Issued · #MC-019398-2026
- Sep 8, 2026Plumbing installation for existing apartment unit 50-D as a part of the apartment remodel including kitchen and bathroomManchester · Plumbing · Commercial or Multi-Family Plumbing- DWV & Water only Permit Application · Issued · #PC-019411-2026
- Sep 2, 2026Installation of Samsung heat pump systems serving 4 existing apartment unitsManchester · HVAC · Commercial or Multi-Family HVAC Repair & Replacement Mechanical Permit Application · Inactive · #MC-019335-2026
Permit counts reflect permits filed in public town records naming this contractor as applicant. A permit shows permitted activity, not necessarily completed work, quality of work, or a final inspection.
License
We haven’t verified a state license for this name yet. We only show license details when we can match the record to this contractor with confidence. You can check directly at the Connecticut eLicense (Department of Consumer Protection) license lookup.
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Sources
- Darien OpenGov portal · retrieved Nov 13, 2026
- Manchester CT EnerGov Civic Self Service · retrieved Nov 13, 2026
Not verified: contact info, business address, insurance, reviews. Page built Nov 14, 2026.