10 Best Solar Panel Installers in Vienna

SolarWien suits homeowners who want the price fixed before any work begins. The company plans and installs photovoltaic systems for houses in Vienna, Lower Austria and the rest of Austria, and it works with transparent fixed prices. Its example projects show home systems of around 10 kWp with an estimate of yearly savings. Heat pumps, battery storage and air conditioning are offered alongside solar, so a household can plan panels, storage and heating with one firm.

OH Voltaik suits households and small businesses that want panels, a battery and a wallbox in one project. Its reference projects all pair solar panels with battery storage, and the firm also installs charging stations for electric cars. It works across Vienna, Lower Austria and Burgenland and helps customers obtain and process government subsidies. Financing starts at €79 a month with no deposit, and instalment purchase and leasing are also available.

Smobi suits homeowners who like a clear, staged process with one contact person. Each project starts with advice, planning and a cost estimate, followed by a site visit with detailed planning, then mounting and the electrical installation. The final step covers the completion report and subsidies. Besides panels with battery storage, Smobi fits charging stations for electric cars and heating elements that turn surplus solar power into heat. Quotes are free and non-binding.

Vega Solutions suits households and businesses that want free planning and one team for panels and wiring. Its own staff handle PV planning, mounting and the electrical installation, and the company also installs wallboxes. Planning costs nothing and quotes promise no hidden fees. A free subsidy consultation explains the federal investment grant for PV and storage, whose calls open in set windows during the year, so owners can time their order.

Solarsights is worth a look for owners who want monitoring and maintenance to continue after the installation. The company covers PV consulting and planning, installation and maintenance with digital energy monitoring, plus battery storage and charging for electric cars. It is a certified Huawei FusionSolar partner. Installation can take place within a few days of scheduling, and its website is available in English as well as German.

For owners who want solar panels and a heat pump fitted by one in-house team, Noortec is worth a call. Its own trained staff take a project from registration through installation to commissioning. Alongside photovoltaics, the company installs air-to-water, ground-source and groundwater heat pumps. Components it installs carry product guarantees of up to 12 years and performance guarantees of up to 25 years, and a free online assistant produces a first quote.

ESNO is a sensible choice for owners of detached houses who want solar and the electrical work around it handled together. The company plans and installs photovoltaic systems for single-family homes and adds battery storage, heat pumps and air conditioning. Its electricians also fit wallboxes and distribution boards, so changes to the meter cabinet stay with one firm. ESNO delivers turnkey projects in Vienna, Lower Austria and northern Burgenland.

Synergie suits owners who want brand-neutral advice from a firm that keeps maintaining the system after it is built. The company plans, builds and looks after photovoltaic systems and works independently of manufacturers. Beyond panels and storage it handles heat pumps, EV charging, emergency power, balcony solar and energy communities. It works in Vienna and Lower Austria and offers energy cost consulting for households weighing several upgrades.

Green Energy Elektrotechnik fits owners and companies that want solar built into a wider electrical and building-services project. The firm plans and builds custom photovoltaic systems for private and commercial clients, from consultation to commissioning. Battery storage, e-mobility, smart home systems and air conditioning come from the same electrical business. A PV check and ongoing service and maintenance also make it useful for owners whose existing system needs attention.

Elektro Voltex suits buyers who want to see prices before calling. Component sets start at €6,091 for 8.1 kWp, and planning, installation and permits are quoted as a fixed price after a free roof check within 48 hours. The firm plans, installs and registers PV systems for homes and businesses, adds storage, backup power and wallboxes, and prepares the technical documents for subsidy applications. It covers Vienna and Lower Austria, including Tulln, Krems and Klosterneuburg.