# CanadaBuys #HABGW15_86316

Residential mechanical servicing and alarm replacement at 14 Wing Greenwood

**Posted:** September 18, 2026
**Respond By:** October 28, 2026
**Identifier:** HABGW15_86316
**NAICS:** 238220, 561621

Defence Construction Canada – Atlantic Region is seeking mechanical servicing and alarm replacement for residential housing at 14 Wing Greenwood, Nova Scotia.
- **Buyer and location**
  - Defence Construction Canada – Atlantic Region; work is at residential housing in Costello Park, 14 Wing Greenwood.
- **Requested services and quantities**
  - In each of Phases 1 and 2: inspect and service 554 heat recovery ventilators (HRVs), 167 furnaces, and 376 heat pumps; deep-clean 184 electric furnaces used with central heat pumps.
  - In each phase: service 2,235 smoke alarms and combination smoke/carbon monoxide (CO) alarms; replace 280 smoke alarms and 25 combination smoke/CO alarms.
  - Each phase also includes a lump-sum balance-of-project item for other costs.
  - Phase 2 includes additional scheduled alarm entries: service 2,235 alarms, replace 280 smoke alarms, and replace 25 combination smoke/CO alarms.
- **OEMs and vendors**
  - **No OEMs or vendors are identified.** All brands are acceptable for the alarm replacements.
- **Notable requirements**
  - Work includes inspection, servicing, repair as needed, deep cleaning, and alarm replacement. A site visit is highly recommended.

### Description

The work includes supplying the labour, materials, supervision, and equipment required to clean, inspect, service, and repair heat recovery ventilators, oil-fired furnaces, furnace/heat pump combination units, smoke alarms, combination smoke/carbon monoxide alarms, and heat pumps in residential housing units in Costello Park, Greenwood, Nova Scotia. The work is scheduled in two phases: Phase 1 must be completed by March 31, 2027, and Phase 2 runs from April 1, 2027, through March 31, 2028. A possible Phase 3 extension may run from April 1, 2028, through March 31, 2029, if mutually beneficial to both parties. A site visit is scheduled for September 24, 2026, and bidder attendance is highly recommended.

[View original listing](https://canadabuys.canada.ca/en/tender-opportunities/tender-notice/mx-444166691365)