Alde Hydronic Heating

Comfort without compromise – all year round

Over 75 Years of Silent Warmth & Comfort

Truma North America is proud to be the supplier of Alde Hydronic Heating systems to the U.S. and Canadian markets. A European leader in premier hydronic heating since 1966, Alde has been an integral part of the Truma Group since 1997.

Alde systems use radiant, hydronic central heating to create silent, gentle air movements that fill an RV with pleasant warmth and natural humidity. The boiler is powered by either propane or diesel and electricity, and the system is filled with warm glycol, which heats the air via convectors. The natural convection is based on the principle that heated air rises to the ceiling and flows downward again as it cools.

What is Hydronic Heating?

Invisible comfort you can feel

The Alde boiler circulates heated glycol through pipes, hoses, and convectors inside the walls of the RV. The system can also be customized to include added features like in-floor heating, heated towel bars, and floor mats.

Discover the Alde Advantage

System Specifications

Alde Compact 3030/3030 plusAlde 4000 D plus
System dimensions, inches (HxDxW)12.5" x 13.5" x 20"12" x 17.7" x 19.7"
Build-in measurements excl. exhaust (HxDxW)12.56" x 17.32" x 21.26"13" x 18.5" x 21.65"
Weight (without fluid)33 lb (plus)33 lb
Fluid volume, glycol tank0.92 gal / 3.5 liters0.92 gal / 3.5 liters
Fluid volume, water tank2.6 gal / 10 liters2.6 gal / 10 liters
Max. pressure, glycol circuit7.3 PSI (open system)7.3 PSI (open system)
Max. pressure, water circuit44 PSI44 PSI
Max. system temperature176°F/ 80°C185°F/ 85°C
Battery voltage12 V DC12 V DC
Power Consumption at 12 VMax. 1.9 AMax. 8 A
12 V Fuse side mainboard1 x 3.15 A2 x 15 A

Energy Consumption

Alde Compact 3030/3030 plusAlde 4000 D plus
FuelLPGDiesel
Power11,000 to 18,700 BTU3,400 to 20,500 BTU stepless
Consumption0.54 to 0.9 lb/h0.026 to 0.16 gal/h
Electricity
Voltage120 V AC 60 Hz120 V AC 60 Hz
120V current consumptionMax. 16 AMax. 25 A
Fuse side powerboard30 A
Power step 13,200 BTU3,250 BTU
Power step 26,400 BTU6,500 BTU
Power step 39,700 BTU

Find Alde Glycol on Amazon

Alde Hydronic Heating systems use as a specially formulated form of glycol to deliver heat throughout the RV. This is available directly from Truma via our Amazon storefront. 

Alde Control Panel showing indoor temperature

Test Drive the Alde Control Panel

Check out our online control panel simulator to help you find different functions of your Alde system.