Frequently Asked Questions

Got A Question?

Here are some answers to some of the common questions we’re being asked about our ventilation, insulation and heating systems right now.

Do you guarantee your work?

Harrisons Energy Solutions offers a 10 Year Installation Guarantee as well as the Enviro Lifetime Warranty on our Enviro range of ceiling and underfloor insulation.

Why do you specify polyester insulation?

Because we think it’s the best! It’s non-toxic, non-irritant, non-flammable and comes with no chemical additives or glues. It causes no skin or respiratory irritation. Just as the polyester used in duvets keeps you warm in bed, so do our polyester-based Enviro products keep your house snug. And if moisture should ever get into your ceiling space, Enviroblanket won’t break down, as there are no glues used in its manufacture.

Why do you use blanket-style insulation rather than segmented insulation?

Enviroblanket insulation is quick and easy to install. Most importantly, it offers superior insulation properties as it covers ceiling and floor joists (unlike traditional segmented insulation). If joists are not covered, heat will escape from this area.

What say I only want a heat pump?

Ceiling and underfloor insulation should always be your first priority. There’s no point spending money to pump heat into the house if it immediately escapes. Once your insulation is up to modern standards, we can advise on the best heat pump to make your home warm and comfortable.

How much does an i-vent home ventilation system cost?

Each system is tailored to the home so costs will vary. As a rough guide, a straightforward three-bedroom house with a ceiling cavity can be installed from around $3500.

What’s the best time to install home ventilation?

If you install an i-vent system in summer or autumn the whole structure of the house will be dried out before winter dampness gets a grip. This will make it easier to heat your home and keep it moisture-free. However, you can install an i-vent system in the middle of winter and still enjoy the benefits of condensation-free windows and mildew reduction within days.

Can I change the filters on my i-vent home ventilation system?

The i-vent® system includes a high-quality filter that’s available from Harrisons. Filters need to be changed every year. You can change the filter yourself or contact Harrisons and we’ll be happy to do it for a reasonable charge.

My house is damp, what can I do to combat dampness?

Make sure first that the dampness is not caused by leaks brought on by weather-tightness problems (roof, claddings, around windows, doors or deck areas). Also ask us about GVB (Ground Vapour Barrier) options. You’ll want to address any underlying causes of dampness before improving your home environment with ventilation, insulation and heating.