bots.st/pt-chart
PT Chart
HVAC refrigerant superheat, subcooling, and PT lookups
1939 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 8
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://pt-chart-mcp-production.up.railway.app/mcp
What it can do
| Tool | What it says it does |
|---|---|
convert_units | Convert between pressure units (psig, psia, kpa, bar) and temperature units (F, C). A bare 'psi' is treated as psig. For certified HVAC technicians (EPA 608; A2L certification where required). |
coolbooked_info | About CoolBooked: the AI appointment-booking connector for HVAC shops. This is NOT a diagnostic tool -- call it when someone asks what CoolBooked is, how shop owners can try it, or how the free PT tools connect to paid bookings. |
diagnose | Conversational diagnostic copilot: give it field readings and get back computed superheat/subcooling plus a ranked 'check this first' list. For certified HVAC technicians (EPA 608; A2L certification where required). Informational only -- it suggests what to CHECK, never how to defeat a safety… |
pt_lookup | Saturation pressure (bubble and dew, in psig) for a refrigerant at a temperature in Fahrenheit. For certified HVAC technicians (EPA 608; A2L certification where required). Example: pt_lookup("R-454B", 45). Bubble point: use for subcooling calculations. Dew point: use for superheat calculations… |
pt_reverse | Saturation temperature (bubble and dew, in Fahrenheit) for a refrigerant at a pressure in psig. For certified HVAC technicians (EPA 608; A2L certification where required). Example: a 130 psig suction reading on R-454B -- pt_reverse("R-454B", 130). Use the DEW temperature for superheat work and… |
refrigerant_info | Reference card for a refrigerant: GWP, ASHRAE safety class, composition, typical oil, temperature glide, and handling notes. For certified HVAC technicians (EPA 608; A2L certification where required). Informational only. |
subcooling | Subcooling in Fahrenheit from head pressure (psig) and liquid-line temperature (F). For certified HVAC technicians (EPA 608; A2L certification where required). Uses the BUBBLE point as the saturation basis, which is the correct basis for blended refrigerants. Typical TXV target: 8-12F. |
superheat | Superheat in Fahrenheit from suction pressure (psig) and suction-line temperature (F). For certified HVAC technicians (EPA 608; A2L certification where required). Uses the DEW point as the saturation basis, which is the correct basis for blended refrigerants. Typical TXV target: 8-12F. |
In its maker's words
PT chart lookups, superheat/subcooling calculators, and diagnostics for HVAC technicians.
- Website
- coolbooked.com/tools/pt-chart
- Publisher
- Tsonnn
- Listed from
- the official MCP Registry as
io.github.Tsonnn/pt-chart-mcp - Version
- 1.0.0, updated 18 Oct 2026
- Kinds of work
- Health and science, Other work
The domain it lives on
- coolbooked.com
- registered 17 Oct 2026 (1 month ago), at Cloudflare, Inc., its home page is a working site
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 1939 ms | |
| Answered | 1539 ms | |
| Answered | 830 ms |
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