# NAICS 333414: Heating Equipment (except Warm Air Furnaces) Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [333414 Heating Equipment (except Warm Air Furnaces) Manufacturing](https://bidrover.com/naics/333414)

This U.S. industry comprises establishments primarily engaged in manufacturing heating equipment (except electric and warm air furnaces), such as heating boilers, heating stoves, floor and wall furnaces, and wall and baseboard heating units.

- NAICS code: 333414
- Title: Heating Equipment (except Warm Air Furnaces) Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 333 Machinery Manufacturing
- Industry group: 3334 Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
- NAICS industry: 33341 Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
- SBA size standard: 500 employees
- Open bids on BidRover: 1
- Updated: Oct 13, 2026

## Open bids (1)

- [45--HEATER,IMMERSION,LIQUI](https://bidrover.com/bids/45-heater-immersion-liqui--5936fe3b-68b7-45bb-9237-cc20626d687b) — General procurement · United States · due 2026-10-23

## Frequently asked questions

### What is NAICS code 333414?

NAICS 333414 is "Heating Equipment (except Warm Air Furnaces) Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in manufacturing heating equipment (except electric and warm air furnaces), such as heating boilers, heating stoves, floor and wall furnaces, and wall and baseboard heating units.

### What is the SBA size standard for NAICS 333414?

A business is small under NAICS 333414 at or below 500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 333414?

BidRover counts 1 open bid that cite NAICS 333414 as of Oct 13, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 333414 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing](https://bidrover.com/naics/333415)
- [335210 Small Electrical Appliance Manufacturing](https://bidrover.com/naics/335210)
- [335220 Major Household Appliance Manufacturing](https://bidrover.com/naics/335220)
- [332410 Power Boiler and Heat Exchanger Manufacturing](https://bidrover.com/naics/332410)
- [333994 Industrial Process Furnace and Oven Manufacturing](https://bidrover.com/naics/333994)
- [333310 Commercial and Service Industry Machinery Manufacturing](https://bidrover.com/naics/333310)
- [333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing](https://bidrover.com/naics/333413)

---

Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.