Refrigeration engineering for installers, with real manufacturer data
Calculate the heat load, select the condensing unit, evaporators and expansion valve, and get the complete installation study in minutes. No equipment sales: an independent technical service, brand-neutral.
Start free →Refrigerant Retrofit →- More than 15,500 condensing units, 6,800 compressors, 5,300 evaporators and 3,200 expansion valves from real manufacturers.
- Capacity recalculated at the site's ambient temperature, 50 and 60 Hz, with current refrigerants: R449A, R448A, R454C, R455A, R290, CO₂ (R744).
What you can do
1. Heat load
Chill and freezer rooms: transmission, product, infiltration, people, lighting and service.
Chill and freezer rooms: transmission, product, infiltration, people, lighting and service.
2. Installation study
Condensing unit, evaporators and valve at the real operating point, not the catalogue one.
Condensing unit, evaporators and valve at the real operating point, not the catalogue one.
3. Refrigerant lines
Suction and liquid diameters with pressure drop and oil-return velocity, metric or imperial.
Suction and liquid diameters with pressure drop and oil-return velocity, metric or imperial.
4. Refrigerant Retrofit
Gas replacement: capacity, COP, pressures, discharge, lines, charge and payback.
Gas replacement: capacity, COP, pressures, discharge, lines, charge and payback.
Free all year
Pressure-temperature (P-T) charts:
R-1234yfR-1234zeR-134aR-22R-290R-32R-404AR-407CR-410AR-417AR-422DR-448AR-449AR-452AR-454BR-507AR-513AR-600aR-717R-744
F-Gas regulation: phase-down calendar, tax per kg, low-GWP substitutes and capacity loss →
Technical newsletter: weekly, with real manufacturer data →
Start free
56 hours at no cost, no card required: heat load, study and refrigerant lines can be used without registering for the first 20 hours; free registration adds 36 more hours and opens Retrofit. Free technical assistant 24/7.
Start free →