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Building Construction and Infrastructure

Heat Pump Covers

Weatherproof acrylic, polycarbonate and HDPE covers for heat pump hot water units. Screen the unit, protect it from weather, keep vents clear. Cut to size.

4.8 / 5

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24hr

Quote Turnaround

Australia Wide

Delivery

Start Your Project

Partner with Australia's leading acrylic fabrication experts. We provide end-to-end support from material selection to final delivery.

Material Consultation

Our engineers help you select the optimal grade for your specific environmental and aesthetic requirements.

CAD Support

Send us your designs in DXF, DWG, or PDF. We review every file for structural integrity and precision cutting paths.

Fast Quoting

Receive a comprehensive technical specification and competitive quote within 24 hours of your submission.

Start Your Project

Upload drawings or provide specs for accurate quoting.

Max 5 files, 10MB each

Recommended Materials

Selecting the right base material for this application.

Why Cover a Heat Pump Hot Water Unit

Heat pump hot water systems are bulkier than a standard split system condenser and typically run continuously, drawing in air and expelling cooler exhaust air around the clock. Left exposed on a side of house or carport wall, they are one of the more obvious pieces of equipment on a property.

A well designed cover screens the unit from the street or neighbouring yard, shields it from direct weather, and can reduce the visual clutter around an otherwise tidy exterior, all while keeping the intake and exhaust airflow the unit needs to run efficiently.

HDPE Tank In Construction scaled

Material Options for Heat Pump Covers

HDPE is our top recommendation for units that run continuously outdoors. It will not corrode, rot or absorb moisture like timber or untreated metal, and it holds its shape and colour under constant UV exposure, which matters for a unit that is rarely switched off.

Polycarbonate is a strong alternative where impact resistance matters, such as covers near a driveway or shared access path. For a more decorative finish, acrylic can be laser cut into a slatted screen pattern, and an ACM panel gives a flat, powder-coated look that blends into modern render and cladding facades.

Polycarbonate Diffuser in office Building

Sizing and Airflow Requirements

Because heat pumps are physically larger than split system condensers, covers typically need 5-6 mm sheet or heavier for adequate rigidity across the span, and where a fully enclosed look is wanted, a light aluminium subframe supporting multiple panels works well.

Generous slotted or louvred openings are essential on both the intake and exhaust faces, and manufacturer clearance distances (check your unit's installation manual, commonly 500 mm to 1 metre on the exhaust side) must be maintained so airflow is never restricted.

Modern plastic building materials in use

Installation Tips

Mount on standoffs so air can move freely around all sides of the unit, not just through the louvred face. Use stainless or nylon fixings to avoid rust staining, and if the cover sits close to a fence line, check local council or strata requirements, since some heat pump installs have setback rules for noise.

Leave the top of the enclosure open or add a simple sloped roof panel to shed rain rather than sealing the unit in completely, which helps prevent moisture build-up around electrical components.

heat pump

Why Choose Perspex Online

Our plastic fabrication team can build a multi-panel enclosure to your measurements, or simply cut individual HDPE, polycarbonate or acrylic panels to size through our pricing calculator for a straightforward DIY cover.

Get a quote today and we will have your heat pump cover cut and shipped from our Gold Coast workshop to anywhere in Australia.

heat pump 1

Need help with your heat pump covers project?

Our engineers provide expert guidance on material selection, design optimisation, and fabrication.

Heat Pump Covers FAQ

What's the difference between a heat pump cover and an air conditioner cover?
They serve a similar purpose, but heat pump hot water units are usually larger, run continuously, and vent both intake and exhaust air, so covers need more generous clearance and airflow openings than a typical split system AC cover.
What material handles constant outdoor exposure best?
HDPE is our top recommendation for heat pump covers because it will not corrode, rot or absorb moisture, and it holds up well against UV even in units that run year-round in full sun.
Do heat pump covers need ventilation gaps?
Yes. Heat pumps draw in air and expel cooler exhaust air continuously, so any cover needs generous slotted or louvred openings, and manufacturer clearance distances must be maintained on all sides, particularly the exhaust face.
Can you fabricate a fully enclosed acoustic style cover?
Yes, our plastic fabrication service can build a multi-panel enclosure with louvred faces to reduce visual impact and some noise transmission, while keeping intake and exhaust airflow unrestricted.
How is pricing worked out for a custom cover?
Cut-to-size pricing is based on sheet material, thickness and panel dimensions, all quoted instantly ex-GST through our pricing calculator. Fabricated multi-panel enclosures are quoted separately based on the drawing.

Ready to start your heat pump covers project?

Join thousands of businesses across Australia who trust Perspex Online for precision-cut industrial plastics.

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