professional Vaillant Heat Pump & Boiler Installer
German heating specialist with the aroTHERM plus heat pump leading European efficiency rankings. Premium aerothermal, hybrid and condensing boiler solutions.
Why Choose Vaillant?
150+ years of German heating heritage with class-leading aerothermal performance and ultra-quiet outdoor units.
150+ Years Heritage
Founded 1874, one of Europe's most trusted heating brands.
aroTHERM plus
R-290 heat pump with up to A+++ at 35°C and 75°C flow.
7-Year Warranty
Extended warranty when installed by certified partners like Agua Therm.
Whisper Quiet
Ultra-low 30 dB(A) night mode — perfect for residential urbanisations.
Vaillant Innovation Timeline
Vaillant Product Lines
Premium aerothermal, hybrid and condensing solutions for villas and apartments.
aroTHERM plus
Flagship R-290 aerothermal heat pump for radiant floor, fan coil and DHW.
- R-290 propane refrigerant
- Silent block 30 dB(A)
- myVAILLANT smart app
ecoTEC plus
Class-leading condensing gas boiler perfect for hybrid retrofits with aroTHERM.
- Hybrid-ready
- myVAILLANT app
- Sound-optimized
uniSTOR Plus DHW Tank
High-recovery domestic hot water tanks engineered to pair with aroTHERM heat pumps.
- Heat-pump optimized coil
- Anti-Legionella cycle
- Wi-Fi sensor ready
Vaillant Technologies
German R&D delivering quiet, ultra-efficient and clean heating.
R-290 Natural Refrigerant
Future-proof propane refrigerant with GWP of 3 — well below upcoming EU F-gas limits.
- • GWP of 3
- • 75°C flow temperature
- • Future-proof investment
myVAILLANT Connect
Smart-home control of every Vaillant heat pump and boiler in your house.
- • Schedules & geofencing
- • Voice control
- • Solar PV integration
Sensorless Compressor Control
Self-adapting inverter compressor for class-leading SCOP and quiet operation.
- • ±0.3°C accuracy
- • Silent night mode
- • Long compressor life
Where Vaillant Fits Best on the Costa del Sol
Vaillant is the brand we lead with for full heating-system replacements rather than a single appliance — villas transitioning off oil or propane tanks that need a coordinated aroTHERM heat pump and ecoTEC hybrid backup boiler working together, a combination that suits the handful of colder inland properties in Ojén and the hills above Marbella more than the milder coastal strip.
German buyers and long-term expat residents specifically ask for Vaillant by name more than almost any other brand we install, often because they're replacing equipment from the same manufacturer in a previous home — brand familiarity and a 150-year heating pedigree carry real weight in that segment of our client base.
Why Vaillant Owners Choose Agua Therm
Professional Vaillant Installation in Costa del Sol
Agua Therm provides installation, commissioning, and after-sales service for Vaillant systems across Marbella, Estepona, Fuengirola, Mijas, and the wider Málaga province.
Premium German Heating for Your Home
Book a free Vaillant aroTHERM design study and IDAE subsidy estimate.
Planning a Vaillant installation?
Equipment selection depends on the property's heat load, available space and existing distribution system. Read our HVAC sizing guide or request an installation assessment before choosing a model.