Sponsored photos by

A construction worker, a contractor or handyman seals insulation around a newly installed window in a residential home. Part of an energy-efficient window replacement project.
Modern sustainable glass office building. Exterior view of corporate headquarters glass building architecture. Energy-efficient building. Financial business center tower. Glass windows of company.
Energy efficiency concept. Person using tablet with energy efficiency rating icon on virtual screen for energy efficient house building rate label audit.
The image depicts a handheld thermal camera being used to measure the temperature of an underfloor heating manifold. The camera is held in both hands,
Solar panels Roof of Modern Building Apartments with Sunlight. Multifamily Block of Flats with Solar Panel System on Roof.

Free stock photosenergy efficiency (179)