Business Details
Energy Efficient Double Glazed Windows & Doors in WA
At Heatseal Double Glazing Double Glazing, our team brings over four decades of expertise in the UPVC double glazing industry to Western Australia. Originally established in the United Kingdom, we have grown into one of the region's most trusted providers of energy-efficient, cost-effective, and noise-reducing windows and doors. Our locally manufactured products are designed to meet the unique demands of the Australian climate, offering superior thermal performance and compliance with bushfire safety standards. We prioritise quality through rigorous manufacturing processes, professional installation, and exceptional customer service, ensuring long-term satisfaction for residential and commercial clients.Our commitment to sustainability is reflected in our factory's energy-efficient features, including rainwater harvesting systems and ongoing efforts to adopt solar power. With a focus on innovation and community engagement, we support local initiatives like Orange Sky while maintaining industry certifications such as membership in the Australian Window Association and Housing Industry Association.
Services
Double Glazed Windows
Double Glazed Doors
UPVC Frames
Cavity Wall Insulation
Window Repairs
Bushfire-Resistant Products
Aluminium Windows
Custom Glazing
Home Renovations
Commercial Installations
Highlights and features
- 40+ years of experience in UPVC double glazing
- Members of Australian Window Association and Housing Industry Association
- Locally manufactured products tailored to Australian climates
- Award-winning commitment to quality and service
- Sustainability-focused operations with energy-efficient facilities
Associations and certifications
- Australian Window Association (AWA)
- Housing Industry Association (HIA)
What people say
Professional installation
Energy savings
Noise reduction
Exceptional service
Durable products
Services
Double Glazed Windows
Our double-glazed windows combine multi-chamber profiles and steel reinforcement for exceptional thermal efficiency and durability. Designed for Australian climates, they reduce energy bills by 30-50% through superior insulation while minimising external noise by up to 85%. Each unit features multi-point locking systems and customisable glazing options to meet bushfire safety standards.
Double Glazed Doors
Engineered with double weather seals and reinforced hinges, our doors provide year-round climate control and enhanced security. The thermally efficient designs reduce heat transfer while maintaining aesthetic appeal, available in sliding, French, and entrance configurations. All installations meet Australian Standards for wind resistance and safety compliance.
Cavity Wall Insulation
ROCKWOOL cavity wall insulation solutions deliver fire-resistant thermal and acoustic performance. Made from volcanic rock, this eco-friendly material retains 85% of indoor temperatures, cutting energy costs while blocking external noise. Professionally installed by trained technicians, it offers a sustainable upgrade for existing and new constructions across Western Australia.
UPVC Frame Manufacturing
We produce German-engineered uPVC frames specifically adapted to Australian weather conditions. Our state-of-the-art manufacturing ensures precision engineering with multi-seal systems and steel reinforcement. Each product undergoes rigorous quality checks to guarantee longevity, security, and compliance with BAL fire ratings for bushfire-prone areas.
Window Repairs
Our NATA-certified technicians repair all window and door types, including aluminium, uPVC, and security systems. Services cover re-glazing, flyscreen restoration, and shower screen maintenance. We use premium materials to restore functionality while maintaining energy efficiency and security standards for residential and commercial properties.
Questions
What makes Heatseal Double Glazing Double Glazing's double glazing suitable for Australian climates?
Our products are specifically engineered for Australia's extreme temperatures, featuring multi-chamber profiles, steel reinforcement, and UV-resistant materials that maintain performance in harsh conditions.
Do Heatseal Double Glazing Double Glazing windows meet bushfire safety requirements?
Yes, our double-glazed units comply with BAL ratings for bushfire-prone areas, incorporating fire-resistant glass and frames designed to withstand ember attacks and radiant heat.
Can Heatseal Double Glazing Double Glazing repair existing window and door systems?
We service all brands of windows, doors, and glazing systems, including re-glazing, security screen repairs, and shower screen maintenance using industry-certified techniques.
How does cavity wall insulation improve home comfort?
ROCKWOOL insulation retains 85% of indoor temperatures, reducing energy bills by 30-50% while blocking external noise and enhancing fire safety in residential and commercial buildings.
What warranty applies to Heatseal Double Glazing Double Glazing installations?
We provide comprehensive warranties covering materials and workmanship, with specific terms varying by product type and installation scope as detailed in our service agreements.
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Reviews (6)
Dianne Ernst
Sep 27, 2021
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We had every window replaced in our house. Paul and his team delivered a top quality product which has enhanced our house and has met all our expectations with insulation and noise reduction. The professionalism from beginning to end was second to none. The product was installed ahead of schedule and we are so glad we supported local business and were rewarded accordingly. Highly recommend Heatseal Bunbury.
JCRidesAgain
Mar 05, 2021
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After years of leaking windows and damaged timber floors we called Paul at Heatseal.. the results were superb. Looks fantastic, No leaks, no noise and 5 degrees cooler in the summer.
Deanne C.
Aug 31, 2020
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From our initial enquiry right through to the installation of our double glazed windows, the advice and service we've received from Paul and his team has been fantastic. Our house is by the beach and is fully exposed to the harshest elements, so extra consideration has been given to the safety rating of the glass and frames. The windows are of the highest quality, with a very impressive locking system, and they have been fitted to perfection. We have no hesitation in recommending Heatseal for quality windows and doors. Their product and their service is top rate.
Diane Jones
Jun 04, 2020
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We had 3 double glazed windows and front door installed yesterday by Heatseal and we are already blown away with the amount of traffic noise they have blocked, plus how attractive and contemporary they look. The entire process, from meeting the charming and knowledgeable Paul, through to his team of expert tradesmen installing the windows and door has been smooth sailing. It was clear from the beginning we were dealing with a consummate professional company. I wish I could give them 10 stars and I would happily recommend them to anybody wanting to upgrade their home.
Natalie Briant
Sep 28, 2019
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Had sliding doors fitted by Paul and his team. Gary was very helpful answering my many questions when I arrived unannounced at the factory. The team did an outstanding job, fitting the sliding doors with the minimum of fuss, clean and tidy. We have received many compliments on how good our doors and windows look. I would not hesitate to recommend them for excellent quality upvc double glazing sliding doors and windows. Very happy! 10/10
Bridie Jenner
Aug 13, 2019
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We recently had Heatseal double glazed windows and doors installed. They save us a fortune in heating and cooling costs, keep out road and other neighbourhood noises, and look great. The whole process from quote to installation was a breeze and the boys did a brilliant job - they even clean up after themselves! - and the end product is excellent quality. I regularly recommend Heatseal and will continue to do so.
