Most Popular
Most impactful upgrade
Attic Insulation
Up to 25% of heat loss occurs through an uninsulated attic. Our blown mineral wool and rigid board systems create an airtight thermal envelope.
Up to 25% heat loss reduction
Your Home,Warmer.Quieter.Greener.
MZCC Insulation delivers certified, premium-grade insulation and energy upgrades for Dublin homes, reducing energy bills by up to 60% and cutting your carbon footprint significantly.
NSAI Agrément Certified
Baumit ETICS Supervisor
Eco-Friendly
Scroll
Accredited & Approved
ETICS
NSAI
EI
SEI
Insulation that pays for itself
From attic top-ups to full retrofits, we match the right materials to your home. Explore our insulation services, see the four-step process, or book a free survey.
Official resources: SEAI · NSAI · Citizens Information — home energy grants
What We Do
Every service your Dublin home needs.
From a single attic upgrade to a whole-home energy retrofit, we design the right insulation strategy for your property and budget. See our step-by-step process or browse the FAQ.
Best Value
Complete thermal wrap
External Wall Insulation
A full EWI system dramatically improves your home's U-value, eliminates cold bridging, and gives your exterior a premium contemporary finish.
A–C BER rating achievable
Fast & non-invasive
Cavity Wall Insulation
Ideal for semi-detached and terraced Dublin homes. Injected mineral wool or EPS beads fill the cavity wall in a single day with minimal disruption.
1–2 day install
Ground floor comfort
Floor Insulation
Suspended timber floors and solid ground floors lose significant heat. We install rigid PIR board systems that eliminate draughts and cold floors.
10–15% energy saving
Precision diagnostics
Air Tightness Testing
We identify hidden draughts and air leakage points using blower door tests and thermal imaging, then seal them permanently.
Full thermal report included
CPD Certified
Complete energy upgrade
Home Energy Retrofits
Comprehensive whole-home energy retrofits combining insulation, air tightness and ventilation upgrades to transform your home's comfort and efficiency.
Up to 60% bill reduction
Not sure what your home needs? Our experts will assess your property and recommend the most cost-effective solution.
Book Free AssessmentBy The Numbers
Results that speak for themselves.
0h
Survey to Quote Turnaround
Fast response for Dublin homeowners
0%
Average Energy Bill Reduction
Verified by BER assessors
0%
Certified installation team
NSAI- and ETICS-aligned workmanship standards
0%
Customer Satisfaction
Measured from completed project feedback
Why MZCC
The standard other contractors aspire to.
We founded MZCC Insulation because Dublin homeowners deserved better. Better quality materials, better workmanship, better outcomes and a company that treats your home with the respect it deserves. Explore our insulation services or client reviews.
01
Dublin-Based Team
Our installers live and work in Dublin. We understand the local housing stock, from Victorian terraces in Rathmines to 80s semis in Clondalkin.
02
Single Point of Contact
No subcontractors. From survey to completion, the same dedicated team manages your project.
03
Certified & Qualified
Baumit ETICS Supervisor certified with NSAI Agrément approval and Engineers Ireland CPD in energy retrofitting.
04
5-Year Workmanship Guarantee
Every installation is backed by our written guarantee. Materials carry manufacturer warranties up to 25 years.
Our Process
From survey to warm home, seamlessly.
- 01
Free Home Survey
One of our Dublin-based energy experts visits your home at a time that suits you. We assess your current insulation, identify heat loss areas, and recommend the best upgrade strategy. Completely free of charge.
Typically 45–60 minutes - 02
Tailored Proposal
Within 48 hours, you receive a detailed written proposal outlining our recommended insulation strategy, projected energy savings, BER improvement, and full cost breakdown.
Delivered within 48 hours - 03
Professional Installation
Our certified installers carry out all work to the highest standard. We protect your home throughout, work cleanly, and keep disruption to an absolute minimum. Most jobs complete in 1–3 days.
Fully certified installers - 04
Certification & Completion
On completion, we carry out a full quality inspection and provide all certification documents. We can also advise on how to apply for any SEAI grants you may be eligible for.
Full documentation provided
Client Stories
Dublin homeowners, delighted.
01 / 05
“Absolutely transformed our home. We moved into an old Victorian terrace that was freezing in winter and our gas bills were through the roof. MZCC's team was professional, clean, and incredibly knowledgeable. Our heating bills dropped by over 50% in the first winter after. Couldn't recommend them highly enough.”
AM
Aoife Murphy
Ranelagh, Dublin 6
Service Completed
Attic & Cavity Wall Insulation
Heating bills down over 50%
5-star client feedback from completed Dublin projects
Common Questions
Everything you need to know.
Still have questions? Call us on +353 85 176 8792 or book a free home survey and we will walk you through everything in person.
Book Free Survey→Service Area
Serving all of Dublin and surrounds.
Our teams are based across Dublin, ensuring fast response times and local expertise for every project. We cover all Dublin postcodes and extend to surrounding counties including Wicklow, Kildare, and Meath.
Check your area→- Dublin 1
- Dublin 2
- Dublin 3
- Dublin 4
- Dublin 5
- Dublin 6
- Dublin 6W
- Dublin 7
- Dublin 8
- Dublin 9
- Dublin 10
- Dublin 11
- Dublin 12
- Dublin 13
- Dublin 14
- Dublin 15
- Dublin 16
- Dublin 17
- Dublin 18
- Dublin 20
- Dublin 22
- Dublin 24
- Bray
- Greystones
- Wicklow
- Kildare
- Meath
Get In Touch
Start your free home survey today.
No pressure, no obligation. One of our Dublin-based energy experts will visit your home, assess your insulation needs, and give you a clear picture of costs, projected savings, and the best insulation strategy for your home — completely free of charge.
Call Us
+353 85 176 8792
Email Us
info@mzcc.ie
085 176 8792
Office Hours
Monday to Friday: to
Saturday: to