Whole-home central heating installed across the Costa del Sol. Gas boilers, heat-pump systems, radiators and underfloor circuits. Vaillant and Junkers, three-year warranty.
Gas and heat-pumpRadiators and underfloorVaillant and JunkersThree-year warranty
Coastal Spain is sold on summer but the winters are real. From late November through February evening temperatures sit in single figures, tiled-floor villas and open-plan rooms hold the cold, and one log fire in the lounge does not heat a whole house. A proper central heating system runs hot water through radiators or an underfloor circuit and warms every room from a single appliance, the same way a UK home is heated. We install gas-fired and heat-pump central heating across the Costa del Sol from Nerja to Gibraltar, with Vaillant and Junkers as the primary brands. EnviroCare has been fitting heating systems out of Mijas since 1996.
Heating options for a Spanish villa
Three approaches dominate. A gas-fired boiler running radiators is the closest to a UK central-heating system and gives the fastest warm-up from cold. An air-source heat pump feeding radiators or underfloor pipework runs on electricity, fits in well with solar PV and runs efficiently down to the temperatures the coast ever sees. Heat-pump air conditioning in reverse-cycle mode is a third option that heats rooms individually rather than as a whole house, and suits homes where central heating would be over-specified for the cold weeks. We help work out which combination is the right answer for the property, the household and the budget.
Gas-fired boiler with radiators: closest to UK central heating, fastest warm-up
Air-source heat pump with radiators or underfloor: electric, pairs well with solar PV
Heat-pump air conditioning in reverse-cycle: room-by-room, no separate heating plant
Hybrid: heat pump for shoulder months, gas boiler for the coldest weeks
Gas-fired central heating
Most coastal villas on gas-fired central heating run on bottled propane (the grey bottles) from a buried tank or an external bottle store, with a small share on piped natural gas where the urbanisation has it. The boiler sits in the utility room or a vented external cupboard, heats water to 60 to 75 degrees and pumps it round the property through copper or PEX pipework. We install Vaillant and Junkers boilers as the main lines, both with parts available locally on next-day lead times. The work covers the boiler, the flue, the pipework, the radiators or underfloor manifold, the controls and the boletin de gas paperwork that the installation needs for legal sign-off.
Heat-pump central heating
Air-source heat pumps have changed the maths on whole-home heating in southern Spain. A monobloc heat pump sits outside, takes heat out of the air and delivers it to the indoor pipework at temperatures of 35 to 55 degrees, which suits underfloor pipework and oversized radiators. The COP (coefficient of performance) on a modern heat pump sits around 3 to 4 on Costa del Sol winter mornings, which means three to four units of heat delivered for every unit of electricity drawn. Paired with a 5 to 8 kW solar PV array and a buffer tank, a heat-pump system can run the heating bill down close to zero on a normal coastal winter. The capital cost is higher than a gas boiler and the warm-up from cold is slower, so the system is normally specified for properties that are occupied through the winter rather than visited for short stays.
Radiators, underfloor or both
Radiators are the right answer for a retrofit on an existing villa where the floor finish is staying. We fit oversized radiators with a heat-pump system because the lower flow temperatures need more surface area to deliver the same output. Underfloor heating sits in a screed layer below the floor finish and gives the most even warmth, but requires lifting the floor on a retrofit, which only makes sense as part of a wider renovation. Most coastal villas we work on end up with radiators for the bedrooms and underfloor for the open-plan living areas where the floor is going up anyway.
Controls and the Spanish thermostat
A weather-compensating control on the boiler or heat pump reads the outdoor temperature and adjusts the flow temperature to suit, which is the single biggest efficiency improvement available on a new install. Room thermostats add zone control. Most owners pair the controls with a smart thermostat (Nest, Tado or the manufacturer's own app) so the heating runs only when the house is occupied. For owners who use the villa for short stays, smart controls also pre-heat the house from the drive back from the airport.
How the work runs
From first call to commissioned system
Step 1
Free site survey
An engineer visits the property to check the existing plant room, the pipework routes, the room volumes, the floor build-up and the electrical supply or gas connection. Survey appointments are free across the Costa del Sol.
Step 2
System design and quote
We send a written design covering the heat-loss calculation per room, the appliance choice (boiler or heat pump), the radiators or underfloor pipework, the controls and the labour figure. No deposit until you accept it.
Step 3
Installation
Typical retrofit installs run two to three weeks from drain-down to commissioning. New-build installs run alongside the wider construction programme. We protect floors and finishes through the work.
Step 4
Commissioning
We balance the system, set the weather-compensation curve, pair the smart controls, run the heating from cold to set point and walk through the controls at handover.
Step 5
Three-year warranty
Every new central-heating install carries a three-year EnviroCare warranty on parts and labour, on top of the manufacturer warranty on the boiler or heat pump.
Why EnviroCare
Local experience that matters on the job
Trading since 1996
Close to thirty years fitting heating systems on the Costa del Sol for British and European homeowners across the coast from Nerja to Gibraltar.
Vaillant and Junkers
We install Vaillant and Junkers boilers as the primary brands, with parts available locally on next-day lead times.
Registered gas installers
Spanish law requires registered gas installers for any work on a gas-fired boiler and pipework. The boletin de gas is issued on the day the work is signed off.
Multilingual team
English, Spanish and Dutch across the office and field staff. Quotes, invoices and warranty paperwork issued in your preferred language.
Do I really need central heating on the Costa del Sol?
It depends on how the property is used. Villas occupied year-round through the winter, used by older owners or rented to long-term tenants benefit from whole-home central heating because tiled-floor rooms hold the cold and a single fire heats only one room. Holiday villas used for short summer stays rarely justify a full central-heating system and are better served by reverse-cycle air conditioning for the few cold evenings.
Gas boiler or heat pump?
Heat pumps win on running cost in southern Spain because the COP stays high through a coastal winter and the system pairs well with solar PV. Gas boilers win on warm-up speed and capital cost. For occupied villas with solar already in place, a heat pump is usually the right call. For retrofits onto an existing gas pipework setup or properties needing fast warm-up after empty periods, a Vaillant or Junkers gas boiler is the simpler upgrade.
Can I retrofit central heating into an existing villa?
Yes. We retrofit radiator systems into existing villas by surface-running or chase-running the pipework, typically along skirting routes and through walls between rooms. Underfloor retrofit is only practical where the floor finish is being lifted as part of a wider renovation. Most retrofits run two to three weeks from start to commissioning.
What does central heating cost to run on the coast?
On a four-bedroom villa heated for four to five months of the year, expect 90 to 180 euro a month on a gas boiler and 50 to 110 euro a month on a heat pump, depending on insulation, set-point temperatures and how often the system runs. Solar PV paired with a heat pump can drop the running cost close to zero.
What brands of boiler do you install?
Vaillant and Junkers are the primary brands we fit. Both have parts available locally on next-day lead times, certified gas-fired models in current EU efficiency bands and warranty cover from two to five years depending on model and registration.
How long does a central-heating install take?
Two to three weeks for a typical four-bedroom retrofit, from start on site to commissioning. New-build installs run alongside the wider construction programme and complete at first-fix and second-fix milestones.
Need help with central heating?
Tell us what you need and where the property is, and EnviroCare will advise on the right next step.
