Josef Küpper Söhne GmbH

Name: Josef Küpper Söhne GmbH
Address: Bonn, North Rhine-Westphalia, 53175, DE
Telephone: +49 228 951070
Rating: 3.5

Bonn, North Rhine-Westphalia · Solar Installation

Residential Commercial

107+ yrs

Experience

74 reviews

3.5 avg rating

30 km

Service radius

11-50

Employees

Get a Free Quote Call +49 228 951070 Visit Website

3.5

74 reviews

Est. 1919

SurgePV Score

9.3 / 10

Customer Reviews 70%

Certifications 100%

Experience 100%

Services Range 100%

Warranty Coverage 100%

Online Presence 100%

About Josef Küpper Söhne GmbH

Familiengeführter Haustechnik-Betrieb mit Solar seit 1919 in Bonn

Bonn, North Rhine-Westphalia 53175

Services Offered

Solar Installation solar_thermal heating plumbing Maintenance

Warranty Coverage

25yr

Panel Warranty

12yr

Inverter Warranty

10yr

Installation Warranty

Installation Process

Initial Consultation

Free site assessment and energy needs analysis

System Design

Custom solar design tailored to your property and budget

Permitting & Approval

All paperwork and utility interconnection handled

Installation

Professional installation by certified technicians

Commissioning & Handover

System testing, monitoring setup, and warranty registration

Service Areas

Bonn, North Rhine-Westphalia Bad Godesberg, North Rhine-Westphalia Wachtberg, North Rhine-Westphalia Meckenheim, North Rhine-Westphalia

Customer Reviews

View all 74 reviews →

3.5

74 reviews

Wolfgang M. Verified

Aug 22, 2025

Küpper Söhne hat unsere Solaranlage absolut professionell installiert. Freundliche, kompetente, hilfsbereite, pünktliche und saubere Mitarbeiter.

Hannelore G. Verified

May 8, 2025

Familienunternehmen mit Tradition. Die Arbeit wird sorgfältig und fachgerecht von Fachleuten ausgeführt. Gute Qualität.

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Frequently Asked Questions

How do I get a quote from Josef Küpper Söhne GmbH?

You can request a free quote by filling out the form on this page or contacting Josef Küpper Söhne GmbH directly via phone or email. Most installers provide a free initial consultation and site assessment.

What areas does Josef Küpper Söhne GmbH serve?

Josef Küpper Söhne GmbH is based in Bonn and serves within a 30 km radius. Check the Service Areas section above for a complete list of locations.

What certifications does Josef Küpper Söhne GmbH hold?

Josef Küpper Söhne GmbH meets all required local licensing and insurance requirements for solar installation work.

What warranty does Josef Küpper Söhne GmbH offer?

Josef Küpper Söhne GmbH offers 25-year panel warranty, 10-year installation workmanship warranty. Specific terms may vary by product and project.

How long does installation take?

Most residential solar installations are completed within 1-3 days after permits are approved. The full timeline from consultation to activation typically ranges from 4-12 weeks depending on local permitting and utility interconnection processes.

Does Josef Küpper Söhne GmbH handle permits and paperwork?

Yes, most solar installers including Josef Küpper Söhne GmbH handle all necessary permits, utility interconnection applications, and incentive paperwork as part of their service. Confirm specific details during your consultation.