Space and Water Heating Equipment Government Contracts
PSC 4520 Product code
Code facts
- Spend category
- Facilities & Construction Facility Related Materials
- Part of
-
- 45
- Contract obligations
- $34,417,503 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $26,403,647 | |
| 2 | Department of the Army | $10,962,540 | |
| 3 | Department of Justice | $1,807,597 | |
| 4 | Department of Commerce | $1,698,327 | |
| 5 | Department of Veterans Affairs | $1,080,365 | |
| 6 | Department of the Navy | $953,246 | |
| 7 | Air Force | $678,551 | |
| 8 | Department of Homeland Security | $665,556 | |
| 9 | Department of Agriculture | $155,187 | |
| 10 | Department of State | $104,310 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | HDT Expeditionary Systems Inc. | $10,679,500 | |
| 2 | Atlantic Diving Supply, Inc. | $3,711,253 | |
| 3 | Argo Turboserve Corporation | $2,785,324 | |
| 4 | Windward Enterprises, LLC | $2,460,215 | |
| 5 | The Electric Heater Co | $2,252,255 | |
| 6 | Pioneer Industries, LLC | $1,812,169 | |
| 7 | S I T Corporation | $1,692,130 | |
| 8 | J. & L. Mavilia Incorporated | $1,531,643 | |
| 9 | Integrated Procurement Technologies | $1,508,068 | |
| 10 | MCO Solutions, Inc. | $1,470,240 |
See the full FY2025 ranking of PSC 4520 contractors, by parent company.
Open contract opportunities
Show 15 more
Latest 25 of 31 listed here. See the rest on GovTribe.
Recent contract awards
Latest 10 of 801 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $427,900 |
| FY2026 | $44,133,074 |
| FY2025 | $34,417,503 |
| FY2024 | $25,278,109 |
| FY2023 | $40,015,333 |
Top NAICS codes by obligations
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Ohio | $14,335,670 | |
| 2 | Virginia | $6,653,387 | |
| 3 | Connecticut | $2,553,496 | |
| 4 | New York | $2,409,869 | |
| 5 | South Carolina | $2,386,369 | |
| 6 | Maryland | $2,220,789 | |
| 7 | Florida | $1,851,690 | |
| 8 | Pennsylvania | $1,453,871 | |
| 9 | California | $1,046,971 | |
| 10 | Missouri | $865,213 | |
| 11 | Georgia | $627,965 | |
| 12 | Louisiana | $567,549 | |
| 13 | Idaho | $482,930 | |
| 14 | Montana | $437,292 | |
| 15 | Washington | $329,963 | |
| 16 | Utah | $311,795 | |
| 17 | Kentucky | $294,944 | |
| 18 | Tennessee | $293,403 | |
| 19 | Wisconsin | $287,964 | |
| 20 | New Jersey | $274,200 | |
| 21 | Nevada | $269,875 | |
| 22 | West Virginia | $258,751 | |
| 23 | Arizona | $213,355 | |
| 24 | Arkansas | $192,840 | |
| 25 | Colorado | $192,814 | |
| 26 | Michigan | $142,795 | |
| 27 | Texas | $134,905 | |
| 28 | Indiana | $128,173 | |
| 29 | Illinois | $96,496 | |
| 30 | Minnesota | $85,362 | |
| 31 | Massachusetts | $80,980 | |
| 32 | Alaska | $79,967 | |
| 33 | Alabama | $71,866 | |
| 34 | Wyoming | $61,294 | |
| 35 | Oklahoma | $44,759 | |
| 36 | Nebraska | $23,370 | |
| 37 | Kansas | $16,836 | |
| 38 | Maine | $11,940 | |
| 39 | Oregon | $10,014 | |
| 40 | Iowa | $3,643 | |
| 41 | New Mexico | $2,375 | |
| 42 | North Carolina | $1,933 |
Show all 42
Shares are of everything obligated under PSC 4520 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Definition
Includes: Boilers, 15 pounds WSP and under (for boilers over 15 pounds WSP, see FSC 4410); Domestic Water Storage Tanks through 100 gallon capacity; Fireplace Heaters; Furnaces; Space Heaters; Heating Radiators; Immersion Heaters; Water Heaters, through 100 gallon recovery capacity (for heaters over 100 gallons recovery capacity, see FSC 4410).
Excludes: Vehicle Heaters (FSC 2540); Aircraft Heaters (FSC 1660).
Quick answers
What is PSC 4520?
PSC 4520 is Space and Water Heating Equipment, a product code in PSC 45, Plumbing, Heating, Waste Disposal.
How many government contracts for space and water heating equipment are there?
31 contract opportunities under PSC 4520 are open now, and 194 notices were posted in the last 90 days. Federal agencies awarded 801 contracts under PSC 4520 in the last 12 months, obligating $42,210,373.
How much do federal agencies spend under PSC 4520?
Federal contracts under PSC 4520 obligated $34,417,503 in fiscal year 2025 and $144,271,918 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 4520?
The contractors with the most obligated under PSC 4520 in fiscal years 2026 and 2027 are HDT Expeditionary Systems Inc. ($10,679,500); Atlantic Diving Supply, Inc. ($3,711,253); and Argo Turboserve Corporation ($2,785,324).
Which agencies buy the most under PSC 4520?
The agencies that obligated the most under PSC 4520 in fiscal years 2026 and 2027 are Defense Logistics Agency ($26,403,647), Department of the Army ($10,962,540) and Department of Justice ($1,807,597).
Which NAICS codes are used with PSC 4520?
The NAICS codes with the most obligated under PSC 4520 in fiscal years 2026 and 2027 are 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing and 333316 Photographic and Photocopying Equipment Manufacturing.
Where is the work under PSC 4520 performed?
By place of performance, the states with the most contract obligations under PSC 4520 over the last 12 months are Ohio ($14,335,670), Virginia ($6,653,387) and Connecticut ($2,553,496).
What is the latest open contract opportunity under PSC 4520?
The latest open contract opportunity under PSC 4520 is Army Water Heater 400, solicitation from Department of the Army, posted November 10, 2026.
On GovTribe
See everything under PSC 4520
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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