New Plymouth's coastal Taranaki climate and older housing stock mean many homes are still under-insulated by current standards. We researched and verified the ceiling, underfloor and wall insulation installers genuinely operating in New Plymouth, checking registered business identity, accreditation and independent evidence rather than who ranks highest on Google.
This page highlights the top insulation installers in New Plymouth, based on independent research into reputation, accreditation, service quality and overall reliability.

The top 4 insulation installers in New Plymouth are 1. Premier Insulation (Healthy Homes Taranaki), 2. AAA Insulation, 3. InHome Solutions, 4. Brightr Taranaki. Below we explain why each made the list, compare them at a glance, and share how to choose.
This paid placement sits above the editorial Top 4 and is clearly labelled. It does not influence the rankings below.
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Premier Insulation is a confirmed member of the Insulation Association of New Zealand (IAONZ), New Zealand's genuine industry body, with 30 years' trading history and its own New Plymouth base servicing the wider Taranaki region from Mokau to Waverley. Its Taranaki operation, Healthy Homes Taranaki, is a contracted Warmer Kiwi Homes provider using BRANZ-approved products.
AAA Insulation Limited is a registered New Zealand company (NZBN 9429033030135) with a dedicated New Plymouth office and installation team covering the Taranaki region for over a decade. It is an authorised reseller of the Safe-R blown insulation system and offers roof, wall and underfloor insulation with named customer testimonials backing its work.
InHome Solutions Limited is a registered New Zealand company (NZBN 9429042497660) based in New Plymouth, offering ceiling, underfloor and wall retrofit insulation alongside heat pumps and ventilation. It is independently listed as an authorised installer on Hitachi's own New Zealand installer network, and provides free Statements of Insulation for landlords needing Healthy Homes compliance.
Brightr has operated a physical New Plymouth branch since 2012, offering ceiling and underfloor insulation retrofits, new-build H1 compliance and Warmer Kiwi Homes subsidy administration. Independently verifiable Trustpilot reviews (3.7/5 from 8 reviews) confirm it is a real, actively reviewed operator, though feedback is mixed rather than uniformly strong.
A quick comparison of our Top 4 picks. Select up to 3 businesses above to compare their strengths side by side.
| Insulation Installer | Best for |
|---|---|
| Premier Insulation (Healthy Homes Taranaki) | Homeowners wanting an accredited, established installer with government-grant experience |
| AAA Insulation | Older New Plymouth villas and bungalows needing wall retrofits |
| InHome Solutions | Landlords needing Healthy Homes Standards compliance paperwork |
| Brightr Taranaki | New builds needing H1 Building Code compliance advice |
Independent, editorial, and reviewed regularly.
TopChoice rankings are editorially curated by our New Zealand team and reviewed periodically. We don't host our own reviews. Our shortlists draw on public reputation signals from Google and other platforms, alongside our own research into each insulation installer. We weigh up a combination of:
We don't accept payment in exchange for a place in the Top 4. Featured placements are separate and always clearly labelled. Rankings may change over time as businesses evolve.
Since November 2022, New Zealand Building Code Clause H1 (Energy Efficiency) has required significantly higher minimum R-values for insulation in new builds and major renovations, so a New Plymouth installer should be able to confirm your project meets current H1 requirements, not older standards. Ask any installer whether they are a member of the Insulation Association of New Zealand (IAONZ), the genuine national industry body that sets installation benchmarks under NZS 4246 and the Building Code — membership is a meaningful signal that a company follows recognised standards rather than just marketing claims.
If you're insulating a rental property, remember the Healthy Homes Standards under the Residential Tenancies Act require ceiling insulation of at least R2.9 (R3.3 in colder zones) and underfloor insulation of at least R1.3 — these rental-specific rules have applied since July 2019 and don't apply to owner-occupied homes. Homeowners on a lower income or in a qualifying area may also be eligible for a government grant of up to 90% off ceiling and underfloor insulation through EECA's Warmer Kiwi Homes scheme — check current eligibility and funding levels directly at warmerkiwihomes.govt.nz rather than relying on a quoted dollar figure, as funding levels can change.
Cost depends on your home's size, accessibility and how much existing insulation needs replacing. Ceiling insulation is generally the most affordable, underfloor insulation costs more due to access difficulty under piled homes, and wall insulation (retrofitted without removing linings) tends to be the most expensive. Get a free on-site assessment from a couple of installers above for an accurate, comparable quote — and check whether you qualify for a Warmer Kiwi Homes grant, which can significantly reduce the cost.
Yes. Under the Healthy Homes Standards (part of the Residential Tenancies Act), all rental properties in New Zealand must have ceiling insulation of at least R2.9 (R3.3 in colder climate zones) and underfloor insulation of at least R1.3, and this has been required since July 2019. These minimum requirements apply specifically to rentals — owner-occupied homes aren't legally required to meet the same thresholds, though it's strongly recommended for comfort and running costs.
Yes. EECA's Warmer Kiwi Homes scheme offers grants covering a substantial portion of ceiling and underfloor insulation costs for eligible homeowners, depending on income and location. Several New Plymouth installers, including some listed above, are registered Warmer Kiwi Homes providers who can check your eligibility. For current criteria and funding levels, see warmerkiwihomes.govt.nz.
Most standard residential ceiling and underfloor insulation jobs in New Plymouth are completed in a single day, with larger homes or combined ceiling, underfloor and wall projects sometimes taking two days. Your installer should give you a time estimate as part of their on-site quote.
Yes, particularly for pre-1990s villas and bungalows common in Taranaki, which were typically built with little or no insulation. Adding or upgrading ceiling, underfloor and wall insulation to current H1 Building Code standards can noticeably reduce heating costs and improve comfort and dampness control through Taranaki's wetter winters, and rental properties are legally required to meet the Healthy Homes Standards regardless of the home's age.
Editorial disclosure: TopChoice is an independent editorial platform. Some pages may include clearly labelled featured placements for additional visibility. Featured placements do not influence rankings within our Top 4 lists.
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