Blower-door testing
Airtightness Surveys
We pressure-test your home with a blower door to measure exactly how much air leaks out, pinpoint where the draughts are, and confirm retrofit work performs as specified.

We find exactly where your home loses heat, then fix it properly. Airtightness and thermal imaging surveys, energy advice and certified insulation from InsulateMyHome, the energy division of MZCC.
Accredited & Approved

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
From an airtightness or thermal imaging survey to a whole-home energy retrofit, we find out where your home loses heat and design the right fix for your property and budget. See our step-by-step process or browse the FAQ.
Blower-door testing
We pressure-test your home with a blower door to measure exactly how much air leaks out, pinpoint where the draughts are, and confirm retrofit work performs as specified.
See where heat escapes
Infrared imaging shows missing insulation, cold bridges and damp risk you cannot see with the naked eye, so upgrades go where they make the biggest difference.
BER, upgrades and grants
Independent guidance on your BER, the order to tackle upgrades in, and which SEAI grants your home is likely to qualify for, before you spend anything.
Most impactful upgrade
Up to 25% of heat loss occurs through an uninsulated attic. Our blown mineral wool and rigid board systems create an airtight thermal envelope.
Complete thermal wrap
A full EWI system dramatically improves your home's U-value, eliminates cold bridging, and gives your exterior a premium contemporary finish.
Fast & non-invasive
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.
Not sure what your home needs? Our experts will assess your property and recommend the most cost-effective solution.
Book Free AssessmentSurvey to Quote Turnaround
Fast response for Dublin homeowners
Average Energy Bill Reduction
Verified by BER assessors
Certified installation team
NSAI- and ETICS-aligned workmanship standards
Customer Satisfaction
Measured from completed project feedback
We set up InsulateMyHome, the energy division of MZCC, 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.
Our installers live and work in Dublin. We understand the local housing stock, from Victorian terraces in Rathmines to 80s semis in Clondalkin.
No subcontractors. From survey to completion, the same dedicated team manages your project.
Baumit ETICS Supervisor certified with NSAI Agrément approval and Engineers Ireland CPD in energy retrofitting.
Every installation is backed by our written guarantee. Materials carry manufacturer warranties up to 25 years.
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.
Within 48 hours, you receive a detailed written proposal outlining our recommended insulation strategy, projected energy savings, BER improvement, and full cost breakdown.
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.
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.

Marcin has spent more than twenty years building and renovating homes across Dublin and Leinster. InsulateMyHome is the energy side of that work: finding where a house loses heat, then fixing it with insulation that is specified and installed properly.
You won't be handed off to a sales team. Marcin looks at your home, explains what will make a real difference and what won't, and signs off the work himself. The same standards behind MZ Carpentry & Construction apply to every survey and every install.
Marcin Zawila“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.”
Aoife Murphy
Ranelagh, Dublin 6
Service Completed
Attic & Cavity Wall Insulation
Heating bills down over 50%
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→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.
See our area guides→InsulateMyHome is the energy division of MZCC. When your survey points to bigger works, such as extensions, wall upgrades, joinery or a full retrofit, our parent company MZCC.ie carries them out. Same team, same standards, one point of contact from survey to finish.
Visit MZCC.ie
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. The quickest way to book is WhatsApp.
Call Us
+353 85 176 8792
Email Us
info@mzcc.ie
085 176 8792
Office Hours
Monday to Friday: to
Saturday: to
Tell us a little about your home and what you're after. You'll usually hear back the same day.
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