• Over 23 year's in the Business
  • 5247 window and door installations
  • Fully Insured | Highest Quality
  • SEAI Grant Certified
Rated 5 out of 5

Premium Triple Glazing Installation Across Dublin

Join 5247 Irish homeowners who've cut their heating bills with our certified A-rated installations. Zero-hassle process, 24-hour quotes, and 23 years of proven results.

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What Makes Airtight Triple Glazed Windows Different?

Airtight triple glazed windows deliver measurable performance improvements over standard double glazing:

U-Value 0.8

30% better thermal efficiency than double glazing (1.2+ U-value)

Argon Gas Filled

Two sealed cavities between three glass panes reduce heat transfer

Low-E Coatings

Energy-saving coatings reflect heat back into your Dublin home

A+ Energy Rating

Exceeds Irish building regulations (Part L)

28-44mm Thickness

Maximum insulation for exposed Dublin locations

10-Year Warranty

Comprehensive coverage on all glass units and seals

 

All windows manufactured using Irish-certified systems (Spectus, Futura) with multi-point locking as standard. From €750 per window installed.

Are Triple Glazed Windows Worth It in Dublin?

Yes — for Dublin’s damp, coastal climate, triple glazing delivers measurable returns: 

Energy Savings

Dublin homeowners typically save €400-€600 annually on heating costs compared to old double glazing. At current energy prices, triple glazing pays for itself within 12-15 years through reduced oil, gas, or electric heating bills. 

When Triple Glazing Makes Sense in Dublin

  • North-facing rooms that never get direct sunlight
  • Homes near busy roads (M50, N11, Luas routes)
  • Coastal properties exposed to Atlantic winds
  • Period homes with BER ratings below C1
  • Properties near Dublin Airport flight paths

Triple vs Double Glazing

Triple glazing costs 20-30% more upfront but delivers:

  • 30% better heat retention (U-value 0.8 vs 1.2-1.6)
  • Superior noise reduction (40+ decibel reduction vs 25-30)
  • Zero condensation issues
  • Higher BER ratings (improves resale value €3,000-€5,000)
Get a free quote

Triple Glazed Windows Installation Services

Triple-glazing Windows are a great way to improve your home’s insulation, heat retention, and security. Installation services can be arranged to suit your needs, so don’t hesitate to call us today! Not only will triple-glazing windows keep your home warmer in the winter and cooler in the summer, but they will also provide you with increased privacy and reduced noise levels inside your home. And because triple-glazing windows require no maintenance or replacements, you can enjoy years of trouble-free use!

All our windows

All our PVC Windows

White double french window on textured wall

French Windows

Transform your home with elegant French windows that open outwards to provide maximum fire escape, particularly suitable for narrow windows”. Having the two opening sashes also makes the window exteriors easier to clean from inside the room. A French window in white uPVC starts at €750 plus VAT.
French Windows
White framed sash windows on building exterior

Sliding Sash Windows

Preserve Dublin’s period charm with modern uPVC sliding sash windows that replicate Victorian and Georgian aesthetics while delivering “A” rated energy efficiency. Smooth vertical operation, tilt-in cleaning with options for double and triple glazing. 12+ colours available including Anthracite grey and Agate grey. From €950 plus VAT per window.
Sliding Sash Windows
Double glazed wooden flush sash window on brick wall

Flush Sash Windows

Achieve sleek, contemporary aesthetics with Flush Sash windows where the frame and sash sit perfectly level, designed to mimic modern aluclad windows but at a fraction of the cost. Triple glazed and double glazed solutions available in 20+ colour finishes with 6-point locking mechanisms as standard. From €900 plus VAT per window installed.
FLush Sash Windows
White framed Casement Window on red brick wall

Casement Windows

For many years, these have been the most popular uPVC window choice. The simplest way to improve energy efficiency, security and to transform the appearance of the home. Perfect for home and rental property renovations, the colour range has expanded greatly from older days when the offering was restricted to white PVC or brown PVC. “A” rated as standard in both double glazing and triple glazing. From €600 plus VAT installed.
Casement Windows
White framed sash windows on building exterior

Double Glazed Windows

Reduce your window heat loss by up to 40% with energy efficient “A” Rated double glazed windows whereby the glass units are Argon Gas filled with a Low E coating and a 10-year guarantee.
Double Glazed Windows
Double glazed wooden flush sash window on brick wall

Triple Glazed Windows

Achieve maximum energy savings with premium triple glazed windows, Ireland’s best defence against heat loss, condensation and noise. Triple glazing is 25% more energy efficient than double glazing saving money on heating costs while adding extra comfort to homes throughout the country. Particularly beneficial in the north facing aspect of houses which get little natural sunlight. In white uPVC, triple glazed window start from €750 plus VAT.
Triple Glazed Windows

Why Dublin Homeowners Choose Airtight for Triple Glazing

1. 23 Years Dublin-Focused Expertise

Since 2001, we’ve completed 5,247 window installations across Dublin — from Victorian terraces in Rathmines to modern homes in Malahide. We understand Dublin’s coastal climate, period property challenges, and planning permission requirements.

2. Transparent Pricing, No Hidden Costs

Free quotes within 24 hours with full material, installation, and disposal breakdowns. From €750 per triple glazed window installed. No pressure sales — just honest advice.

3. Own Installation Team (Not Subcontractors)

All installers are directly employed, CIRI-registered, and fully insured. We don’t subcontract — the team who quotes is the team who installs.

4. 10-Year Manufacturer Warranty

Every triple glazed unit backed by comprehensive 10-year warranty covering glass seals, argon gas retention, and thermal performance. Plus 12-month complimentary post-installation inspection.

5. A-Rated Performance Guaranteed

All windows achieve U-values of 0.8 or lower using Irish-certified systems (Spectus, Futura). Compliance with Part L building regulations guaranteed.

6. Fast Response Times

Phone quotes: Same day

Home surveys: Within 48 hours (Dublin-wide)

Manufacturing: 4-6 weeks

Installation: 2-3 days for full home

Get a free quote

What is the approximate cost of Triple Glazed Windows in Dublin?

Single Window Replacement

  • Casement window (1200mm x 1200mm): From €750
  • Sash window (900mm x 1400mm): From €950
  • French window (1800mm x 1200mm): From €850

 

Full Home Projects

  • 5 windows (average semi-detached): €3,750-€4,500
  • 10 windows (detached home): €7,500-€9,500
  • 15+ windows (large property): €11,250+ (volume discounts apply)

 

Price Factors

  • Window size (larger = higher cost)
  • Frame color (white cheapest; woodgrain adds €100-150/window)
  • Style (sash/flush sash cost 15-20% more than casement)
  • Hardware upgrades (security locks, Georgian bars)
Get a free quote

Benefits Of Triple Glazed Windows

Triple-glazed windows are a good choice for people who value privacy and security. Not only do they offer good insulation and protection from the elements, but they also have a lifespan of up to 30 years. Though they are a little more costly than other windows on the market, triple Glazed Windows is getting more and more common now in Dublin as building codes adopt the push of the Energy Department toward R-5 windows or hurricane-resistant windows. Not to mention, they’re a great investment because of the many benefits they offer.

Energy Efficiency & Lower Heating Bills

Triple glazing achieves U-values as low as 0.8 — 35% better than standard double glazing (1.2-1.6 U-value). This superior thermal performance cuts heat loss by 30%, reducing oil, gas, or electric heating costs by €400-€600 annually for typical Dublin homes.

How it works

Three panes of glass with two argon-filled cavities create a thermal barrier that prevents warm air escaping in winter and blocks solar heat gain in summer. Low-E coatings reflect internal heat back into your rooms while allowing natural light through.

Dublin climate advantage

Coastal dampness and Atlantic winds make heat loss through windows a major issue. Triple glazing’s superior insulation prevents condensation buildup that damages frames and promotes mould growth.

Increased Security & Break-In Protection

Three panes of toughened glass make triple glazing significantly harder to break than single or double glazing. Combined with multi-point locking systems (standard on all Airtight windows), your Dublin home gains:

  • Longer break-in attempt time (extra panes = extra resistance)
  • Enhanced frame strength (70mm+ depth required for triple glazing)
  • Shootbolt locking at top and bottom of sashes
  • Internal glazing beads (glass cannot be removed from outside)

All windows achieve PAS 24 security standard and meet Irish building regulations for residential security. For ground floor bedrooms and accessible windows, we recommend toughened or laminated glass upgrades.

Noise Reduction for Quieter Dublin Homes

Triple glazing reduces external noise by 40-50 decibels — significantly better than double glazing’s 25-30 decibel reduction. This makes a dramatic difference for Dublin homes near:

  • M50, M1, N11, and other major roads
  • Luas Green Line and Red Line tracks
  • Dublin Airport flight paths
  • Busy city centre streets (Grafton St, O’Connell St)
  • Train lines (DART, Commuter Rail)

Real-world impact

Traffic noise registers 70-80 decibels at busy Dublin junctions. Triple glazing reduces this to 30-40 decibels inside your home — equivalent to quiet library levels. Homeowners near Dublin Airport report 60% less aircraft noise disruption.

Improved BER Rating & Property Value

Upgrading to A-rated triple glazing typically improves your home’s Building Energy Rating (BER) by 1-2 grades — for example, from C2 to B3 or B1. This has direct financial benefits:

Resale value

Dublin properties with B1-B3 BER ratings sell for €3,000-€5,000 more than equivalent C-rated homes, according to SEAI data.

Lower running costs

Every BER grade improvement reduces annual heating bills by approximately 10-15%.

Rental compliance

Landlords must achieve minimum D2 BER ratings by 2025. Triple glazing helps meet this requirement while attracting higher-quality tenants willing to pay for energy-efficient homes.

Grant eligibility

Triple glazing installation may qualify for SEAI Better Energy Homes grants (up to €5,000 depending on project scope). Ask about eligibility when requesting your quote.

Frequently Asked Questions About Triple Glazing in Dublin

Explore our products to learn more about your options and in addition receive a quote from us.

?

Triple glazing costs 20-30% more than double glazing upfront — typically €750-€950 per window vs €600-€750 for double glazing. The extra weight also requires stronger frames and hinges, which can limit suitability for older wooden frames in period properties.

Reduced solar gain is another consideration. Triple glazing blocks slightly more natural heat from sunlight compared to double glazing. For south-facing rooms in Dublin that receive good sun exposure, this can mean higher heating costs on cold but sunny winter days.

However, most Dublin homeowners find the benefits outweigh these drawbacks — especially for north-facing rooms, noisy locations, and exposed coastal properties. We’ll honestly advise whether triple or double glazing makes more sense for your specific situation. Call 01 960 9632 for guidance.

For a full home replacement (10-12 windows), expect:
– Free survey and quote: Same day/next day
– Manufacturing lead time: 4-6 weeks after order confirmation
– Installation: 2-3 days for full home
– Clean-up and final inspection: Same day as installation

We work room-by-room to minimize disruption — your home remains livable throughout. Most homeowners continue normal routines while we install. Installation includes removal of old windows, disposal of all debris, and frame sealing.

Yes — SEAI (Sustainable Energy Authority of Ireland) offers Better Energy Homes grants for window upgrades as part of whole-home retrofits.

Both are inert gases used to improve insulation, but there are key differences:

Argon gas (standard):
– Used in 95% of triple glazed windows
– Achieves U-values of 0.8-1.0
– Most cost-effective option
– Included in our standard triple glazing at no extra charge

Krypton gas (premium):
– Denser than argon, provides better insulation
– Achieves U-values as low as 0.6-0.7
– Typically adds €150-€200 per window
– Recommended for passive house standards or north-facing rooms

For most Dublin homes, argon gas delivers excellent performance. We only recommend krypton upgrades for passive house projects or homes in extremely exposed coastal locations.

Generally no — window replacement is considered “exempted development” under Irish planning law, meaning no planning permission required.

We advise checking with Dublin City Council or your local planning office before ordering. For period properties, we can match original sash proportions and use heritage-appropriate colors to satisfy conservation requirements.

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