We machine production parts for HVAC and Refrigeration customers, from single prototypes through to repeat batches of tens of thousands. Typical work covers compressor housings, valve bodies and fan hubs, usually in Aluminium or Brass.
What makes HVAC and Refrigeration different from general machining is not the geometry — it is the documentation and the failure modes. The parts that come back are the ones where leak-tightness at pressure and across temperature cycles was not designed out at the start.
Parts we machine for HVAC and Refrigeration
- Compressor housings
- Valve bodies
- Fan hubs
- Damper shafts
- Refrigerant manifolds
Materials we run for HVAC and Refrigeration
- Aluminium
- Brass
- Copper
- Steel
Standards and documentation
- AHRI standards, ISO 5149 for refrigeration safety, PED in the EU
Tell us which standard applies and which documents you need with the shipment. Dimensional reports, material certificates, certificates of conformity and first article inspection reports are all available, and it is much cheaper to agree them before the batch runs than to reconstruct them afterwards.
Where HVAC and Refrigeration projects usually go wrong
- Leak-tightness at pressure and across temperature cycles
- Copper and brass prices swing the quote
Tolerance and finish we hold
| Requirement | Typical capability |
|---|---|
| General tolerance | H7 bores, Ra 0.4 um on sealing faces, helium leak test on request |
| Surface finish | Ra 0.4 to 3.2 um |
| Material certification | EN 10204 3.1 on request |
| Inspection | Dimensional report, CMM report, FAIR |
| Packaging | VCI and desiccant for steel, individual wrap for cosmetic faces |
Frequently asked questions
Do you have experience with HVAC and Refrigeration parts?
Yes. Typical parts we run are compressor housings and valve bodies. We can share the process route and inspection approach for a comparable part before you commit.
Which materials do you recommend for HVAC and Refrigeration?
Aluminium, Brass, Copper, Steel. The right choice depends on which of corrosion, weight, strength and cost is the binding constraint, and we will say so plainly rather than quoting the most expensive option.
What documentation do you provide?
A dimensional report and a certificate of conformity as standard. Material certificates, CMM reports, FAIR and PPAP submissions are available when your quality system requires them.
What tolerances do you hold for HVAC and Refrigeration parts?
H7 bores, Ra 0.4 um on sealing faces, helium leak test on request is typical for the industry. Tighter tolerance on individual features is possible and is quoted against the specific feature rather than the whole part.
Related pages
- Industries — the full index for this section.
- CNC Machining for Packaging Machinery
- CNC Machining for Rail and Transit Systems
- CNC Machining for Dental and Orthodontic Parts
- CNC Machining for Construction Equipment
- Instant CNC quote
- Tolerance quick reference
- Frequently asked questions
Get a price for your part
Send a STEP file and a drawing with tolerances, material and quantity. We quote within one working day and machine in our own facility in Shenzhen — milling, turning, EDM, grinding and finishing under one roof, no trading middleman.
Start an instant quote or send your drawings directly. English-speaking engineering support, DFM feedback before you commit to a batch.