Energy efficient windows can reduce your heating costs by up to 40% while dramatically improving indoor comfort. Learn about the latest window technologies, performance ratings, and how to choose the perfect energy-saving windows for your home.
In Lithuania's climate, where heating costs can account for up to 60% of household energy bills, choosing energy efficient windows isn't just an environmental choice—it's a smart financial investment. Modern window technology has advanced dramatically, offering homeowners unprecedented opportunities to reduce energy consumption while improving comfort. This comprehensive guide will help you understand window energy ratings, technologies, and make informed decisions that can save thousands of euros over the lifetime of your windows.
Key Performance Metrics
U-Value (Thermal Transmittance)
SHGC (Solar Heat Gain Coefficient)
VT (Visible Transmittance)
Air Leakage Rating
Glazing Technologies
Triple Glazing
Low-E Coatings
Gas Fills
Warm Edge Spacers
Frame Technologies
Multi-Chamber Profiles
Thermal Breaks
Climate Considerations for Lithuania
Heating Dominant Climate
Seasonal Performance
Window Orientation Optimization
South-Facing Windows
North-Facing Windows
East/West-Facing Windows
Frame Material Selection
uPVC (Vinyl)
Wood
Aluminum with Thermal Break
Composite Materials
Professional tip: The best energy efficient window is one that's properly installed. Even premium windows lose 50% of their efficiency with poor installation.
Investment Costs (Typical Lithuanian Market)
Window Types and Pricing
Energy Savings Calculations
Annual Heating Cost Reduction
Payback Period Analysis
Lifetime Value (25-year window lifespan)
Financing and Incentives
Critical Installation Factors
Proper Sealing and Insulation
Structural Considerations
Quality Control Measures
Maintenance for Optimal Performance
Regular Maintenance Schedule
Performance Monitoring
Professional Service Benefits
DIY installation of energy efficient windows often voids warranties and can reduce performance by 30-50%. Professional installation is essential for achieving rated performance.
Poor window installation can reduce energy efficiency by up to 50% and void warranties completely. Learn why professional installation is essential, what to expect from quality installers, and how to avoid the costly mistakes that plague DIY and amateur installations.
Smart windows are transforming modern homes with automated controls, energy optimization, and seamless integration with IoT systems. Discover how these innovative technologies are revolutionizing comfort, security, and efficiency.
Proper window adjustment frequency depends on usage, weather conditions, and window age. Learn the optimal schedule for keeping your windows operating smoothly year-round.
A comprehensive guide to professional window maintenance with specific schedules for monthly, seasonal, and annual tasks to keep your windows in perfect condition year-round.
Facing window problems and unsure whether to repair or replace? This comprehensive guide helps homeowners make informed decisions based on cost analysis, energy efficiency, and long-term value considerations.
Windows are often the weakest security point in homes, accounting for 23% of break-ins. Learn about advanced security technologies, safety features, and protection strategies to transform your windows from vulnerabilities into strong security barriers.
Real feedback from our satisfied customers
"Incredibly professional and fast service. The technician fixed our window in under an hour. Highly recommended!"
"Great communication and transparent pricing. The quality of work was excellent. Very happy with the result."
"The team was punctual, polite, and very knowledgeable. They explained the issue clearly and fixed it efficiently."
"Fantastic service from start to finish. I will definitely use them again for any future window or door repairs."
The advantages of working with our team of professionals
No-cost initial assessment to identify the problem.
We provide up to a 5-year warranty.
Our technicians arrive promptly to address your needs quickly.
99% of repairs can be completed during the first visit.
We respect your home and always leave our workspace clean.
We work with all types of window and door profiles and manufacturers.
Pay by card, cash, or we can issue an invoice.
Our goal is your complete satisfaction with our work.
Everything you need to know about our window and door repair services
Yes, the initial inspection and our technician's visit to assess the work are completely free. No hidden fees and no obligations. If you decide to go ahead, the technician will prepare a clear quote on the spot, explain everything to you and, if you agree, can usually do the work right away during the same visit.
Of course. We provide a warranty both for the work carried out and for the materials used, in line with the laws of the Republic of Lithuania.
The price depends on the type of window, the issue, and the materials needed. When the technician arrives, they give you an exact quote on site with no hidden charges, and you decide yourself whether you want to proceed with the repair.
Yes, our window service operates all over Lithuania: in Vilnius, Kaunas, Klaipėda, Panevėžys, Šiauliai and other cities and towns.
Booking a free visit is very simple. Just give us a call or fill in the online booking form – in both cases it only takes a few minutes.
In most cases repair is enough: replacing seals or mechanisms, improving insulation, adjusting the fittings, cleaning and lubricating the hardware. This is usually much cheaper than installing brand new windows.
Repair is cheaper, because you don't have to buy new windows, remove the old ones, dispose of them or redo the interior finishes afterwards. Repair saves both time and money and is significantly more cost‑effective.
We work with all major brands: Rehau, Veka, KBE, Schüco, Salamander, Aluplast and many others. Our technicians are trained to work with the specific mechanisms used by each manufacturer.
Yes, you can pay by all major bank cards, by bank transfer or in cash. Payment is made after the work is completed.
Yes, we provide services all year round. In winter we use specific methods so that the room doesn't get cold during the work and your comfort is kept to a maximum.