
Struggling to find where cold air is entering your home? City Glass N.I provides thermal imaging and home heat loss checks in Belfast to help identify difficult-to-detect draughts and air leakage around windows and doors. By locating the problem first, we can recommend targeted repairs rather than replacing components unnecessarily.
Not every draught is easy to locate by sight or touch. Air leakage can occur around window frames, opening sections, gaskets, seals and trickle vents. Thermal imaging gives us another way to investigate problem areas and understand where windows and doors may be contributing to unwanted heat loss.
Our home heat loss checks focus on existing windows and doors, looking for areas where cold air or heat loss may indicate poor sealing or another repairable problem. This can be particularly useful when several windows throughout a property are causing concerns.
Our thermal draught detection service can help highlight difficult-to-find problems around windows and doors. Once the affected area has been identified, we can investigate the window or door itself to establish what may be allowing unwanted airflow.
Following an assessment, our window and door heat loss repairs can address suitable problems involving worn hinges, failed gaskets, seals, closing pressure, mechanisms and vents, depending on what is causing the issue.
Replacing window components without identifying where a draught is coming from doesn't guarantee the problem will be resolved. City Glass N.I combines decades of window and door repair experience with thermal imaging where appropriate, allowing us to investigate harder-to-detect areas before deciding what needs attention.
Once the problem area has been identified, the solution may be considerably simpler than replacing the complete window. Worn hinges, deteriorated gaskets, failed seals, poor closing pressure or draughty vents can all affect how an existing window or door performs and may be repairable while retaining suitable frames.
Thermal imaging can help identify difficult-to-detect areas of unwanted airflow and heat loss around existing windows and doors.
By investigating the source first, we can focus repairs on the components actually contributing to the problem.
Our thermal imaging service is backed by practical window and door repair expertise. We aren't simply identifying a possible problem area; we understand the hinges, seals, gaskets, mechanisms and other components that can cause windows and doors to become draughty and can provide appropriate repairs where required.
Find answers to common questions about using thermal imaging to investigate draughts and heat loss around windows and doors in Belfast and surrounding areas.
Thermal imaging can highlight temperature differences that help identify areas where unwanted air leakage or heat loss may be occurring around existing windows and doors.
It can be particularly useful when the source of a draught isn't obvious. Thermal imaging provides additional information that can help narrow down the affected area before the window or door is investigated further.
Potential causes include worn hinges, failed gaskets, poor seals, closing problems, faulty mechanisms and draughty vents. The cause needs to be assessed before deciding which repair is appropriate.
Not necessarily. Where the existing frames remain suitable, the problem may be repairable through replacement hardware, gaskets, seals, adjustment, resealing or other targeted work.
Yes. City Glass N.I can assess problems affecting multiple existing windows, and larger properties with ageing systems may also benefit from considering our full home window restoration service.
We provide thermal imaging and window and door heat loss checks throughout Belfast and currently cover surrounding areas including Glengormley, Mallusk, Dundonald, Carrickfergus, Antrim and Crumlin.
If your home feels draughty but you can't identify where the cold air is coming from, replacing windows without investigating the cause may be unnecessary. City Glass N.I uses thermal imaging alongside specialist window and door knowledge to locate problem areas and determine whether targeted repairs can improve the performance of your existing windows and doors.
City Glass N.I has built a strong reputation for window, door and glazing repairs, with 257 five-star reviews across Google, Facebook and Yell.
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Need a window, door or glazing repair? Contact City Glass N.I for advice and an estimate. For glass enquiries, WhatsApp a photograph of the problem to 07549 624203 for a quick initial estimate where possible.

City Glass N.I provides specialist window repairs, door repairs, glazing, thermal imaging and full window restoration throughout Belfast and surrounding areas.
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