# Gwinnett County Bids #IWQ 141852

Supply and installation of mini-split HVAC systems at four Gwinnett County DOT maintenance barns

**Posted:** November 05, 2026
**Respond By:** November 16, 2026
**Identifier:** IWQ 141852
**NAICS:** 238220, 423730

Gwinnett County is seeking quotes to supply and install ductless mini-split HVAC systems at four Department of Transportation maintenance locations.
- **Government buyer:** Gwinnett County, Department of Support Services; Department of Financial Services – Purchasing Division. The work is for DOT District 1, 2, 3, and 5 maintenance barns in the Buford, Duluth, Loganville, and Lilburn areas.
- **OEMs and vendors named:** **Daikin**, **Southwire**, and **Mueller Streamline**. Approved equivalents are allowed.
- **Equipment requested across all four locations:**
  - 4 Daikin 36K multi-zone outdoor heat pumps, part **4MXM36AVJU9**; 20 SEER2, 208/230V, R-32.
  - 4 Daikin 24K indoor wall-mounted units, part **FTXV24AVJU9**; multi-zone, 208/230V, R-32.
  - 4 Daikin 9K indoor wall-mounted units, part **FTXV09AVJU9**; multi-zone, 208/230V, R-32.
  - 4 Southwire Baro-Split Compact 600 mini-split cables, part **58225705**.
  - 8 Daikin R32 Navigation remote controllers, part **BRC1NRV71**; two per location.
  - 4 Mueller Streamline refrigerant line sets, part **40620350B3B6**; 1/4-inch LL, 3/8-inch SL, 35 feet, flared.
- **Installation services:** Purchase and installation at each of the four maintenance barns. The contractor provides labor, materials, equipment, and supervision; installs to manufacturer requirements; removes work-related debris; and coordinates with the County representative.
- **Notable requirements:** Work must be substantially completed within the solicitation's stated completion timeframe. A minimum one-year workmanship and materials warranty is required from installation completion.

### Description

Gwinnett County is soliciting competitive quotes for the purchase and installation of HVAC components at four Department of Transportation locations. The work includes installing mini-split HVAC systems and related components in existing restrooms and newly constructed multipurpose rooms. The contractor must provide the labor, materials, equipment, and supervision needed to complete the work, which is expected to be substantially complete by December 31, 2026. The County expects to award to the lowest responsive and responsible quote.

[View original listing](https://www.gwinnettcounty.com/government/departments/financial-services/purchasing/bids-rfps)