🔧 MaintCert
HVAC Preventive Maintenance Certificate Generator
▌ STEP 1: Equipment Info
Manufacturer
Select manufacturer...
Carrier
Trane
Lennox
Goodman
Rheem
York
Other
Equipment Type
Furnace (炉)
AC Unit
Heat Pump
Install Year
Model Number (optional)
▌ STEP 2: Customer Info
Customer Name
Address (optional)
▌ STEP 3: Measurements — Furnace
Temp Rise ΔT (°F)
Static Pressure (in.w.c.)
Gas Pressure Inlet (in.w.c.)
Gas Pressure Manifold (in.w.c.)
Combustion Efficiency (%)
▌ STEP 3: Measurements — AC / Heat Pump
Suction Pressure (PSI)
Delta-T Supply/Return (°F)
Superheat (°F)
❌ Error
🔧 Generate Certificate →
📋 View Past Certificates