Ice resurfacing equipment selected by rink size, turnaround time and ice-quality target

Good ice is not created once and then left alone. Every skating session damages the surface, creates snow and changes the top layer. Resurfacing removes damaged ice, collects snow, washes or cleans the surface where applicable and applies a controlled water layer that freezes into the next skating surface.

SPORTWAVE selects resurfacing equipment from the actual operating requirement: rink area, number of daily resurfacing cycles, available turnaround time, gate width, water and snow capacity, drive system, storage, charging or fuel infrastructure and the ice quality expected by the users.

The first selection question is rink size

A compact seasonal rink does not need a full-size stadium resurfacer, while a busy 60 × 30 m arena should not rely on a machine that needs excessive time or repeated tank refills to complete one cycle.

AST’s current resurfacing portfolio gives a useful practical classification:

These area figures are manufacturer application guidance, not a substitute for checking the actual operating cycle, geometry and machine route.

Source: AST current ice-resurfacing equipment portfolio.

Capacity is not only about square metres

Two identical 1,800 m² rinks can need different machines if one is resurfaced twice per day and the other between continuous hockey or public-skating sessions.

Important selection criteria include:

• ice area and geometry;
• number of resurfacing cycles per day;
• available minutes between sessions;
• public skating, hockey, figure skating or mixed use;
• gate width and turning radius;
• snow-tank capacity;
• ice-making water capacity;
• machine transport and storage constraints;
• battery-charging or fuel infrastructure;
• operator skill and service capability.

The correct machine should complete the required cycle reliably without being unnecessarily large for the venue.

Water capacity directly affects the resurfacing cycle

For a full-size 30 × 60 m rink, ASHRAE and IIHF guidance indicates approximately 0.4–0.8 m³ of water per resurfacing operation, depending on operating method and surface condition.

This provides useful context for machine sizing. Current AST-listed full-size Zamboni machines typically carry roughly 757–850 L of ice-making water in the standard 1,800 m² class, while larger 7,000 m²-class machines can carry approximately 1,514–1,650 L.

The water tank should be matched to the intended cycle so operators are not forced into unnecessary refilling or excessive water application.

Sources: ASHRAE Handbook — Refrigeration, Chapter 44; IIHF Ice Arena Guide; AST resurfacing equipment data.

Resurfacing is also a refrigeration load

Every litre of water applied to the rink must be cooled and frozen. IIHF guidance notes that resurfacing can account for roughly up to 15% of the refrigeration requirement under representative arena conditions.

This means resurfacing practice affects both surface quality and energy use. Excessive water, unnecessarily hot water or too-frequent resurfacing creates extra load that the refrigeration plant must remove.

Engineering note
The objective is not to put as much water as possible on the ice. The objective is to remove damaged ice and apply the minimum controlled layer needed to restore a flat, bonded surface.

Electric resurfacing is especially attractive indoors

Battery-electric machines avoid combustion exhaust at ice level and reduce local noise. This is a strong advantage in indoor arenas, shopping centres and enclosed public rinks.

Electric selection should nevertheless include:

• battery chemistry and usable capacity;
• number of daily cycles;
• available time between cycles;
• charging power;
• charging location and ventilation requirements where applicable;
• reserve capacity for unusually intensive days.

A machine with insufficient charging time can become an operating bottleneck even if its resurfacing performance is otherwise correct.

Fuel-driven machines can still make sense in specific applications

Large outdoor or specialised surfaces may favour propane, petrol or diesel equipment where continuous duty, remote operation or charging infrastructure makes battery power less practical.

The decision should consider emissions, indoor-air restrictions, fuel logistics, serviceability and the total daily cycle rather than drive type alone.

Compact rinks need manoeuvrability more than maximum tank size

For a 300–800 m² city-centre rink, a full-size arena machine can be too wide, too heavy and difficult to transport or turn. Compact machines such as the WM Pinguino are designed around these constraints.

The WM Pinguino Electric is specified by AST for surfaces up to approximately 800 m², with a 1.25 m³ snow tank, 340 L ice-making water tank and 1.4 m blade. The larger WM Compact class is intended for surfaces up to approximately 1,200 m², with a 2.25 m³ snow tank, 600 L water tank and 1.7 m blade.

These dimensions illustrate why machine size should follow the rink rather than simply choosing the most powerful model available.

Source: AST current WM resurfacing equipment specifications.

Full-size arenas need cycle speed and reserve capacity

For a standard hockey or competition arena, resurfacing often has to fit into a short intermission or session-change window. Blade width, water capacity, snow capacity and machine speed therefore affect event scheduling.

AST’s 1,800 m²-class Zamboni range includes multiple electric and combustion-drive options. The correct model depends on daily workload, battery strategy, arena access and service preference rather than ice area alone.

Very large ice surfaces need a different machine class

Ice Worlds, very large event surfaces and specialised skating areas can exceed the practical capacity of standard arena machines. AST lists Zamboni 700 / 710 / 712 models for surfaces up to approximately 7,000 m², using wider 2.438 m blades and significantly larger water and snow capacity.

For these projects, the route and total resurfacing time should be modelled before the machine is selected.

Gate width and turning space can rule out an otherwise suitable machine

The resurfacer must physically enter the rink and manoeuvre around it. Machine width, blade width, wheelbase and turning radius therefore need to be coordinated with the board service gate and surrounding technical area.

This should be resolved during board and building design. Enlarging a gate after the board system has been ordered can create expensive structural changes.

Ice thickness should be controlled together with resurfacing

IIHF guidance recommends approximately 25–35 mm of ice for normal arena operation. Allowing the sheet to become progressively thicker increases thermal resistance and refrigeration energy.

Resurfacing should therefore be paired with periodic thickness measurements. If operators continually add more water than they shave away, the ice slowly becomes an insulating layer above the refrigeration floor.

Water quality matters

Mineral content, suspended solids and dissolved gases influence freezing behaviour, clarity and the amount of heat required during resurfacing.

ASHRAE recommends low-mineral or demineralised resurfacing water as one route to efficient, high-quality ice. Better water treatment can allow lower resurfacing-water temperatures while still producing a well-bonded surface, depending on local conditions and operating method.

Hotter water is not automatically better

Warm water can help produce a smooth bonded layer, but every additional degree must later be removed by the refrigeration plant.

The correct water temperature should therefore be established from actual ice quality, water treatment and available freeze time rather than using the hottest possible water as a fixed operating habit.

The machine cannot maintain the edges alone

Large resurfacers cannot shave directly against the boards. Ice gradually builds up at the perimeter and can create a raised edge or change the rink profile.

AST therefore also offers powered and manual edge-maintenance equipment. Edging frequency should be part of the operator routine, especially on heavily used hockey and public rinks.

Manual equipment is still useful on small rinks

Compact surfaces do not always justify a self-propelled resurfacer. AST’s manual range includes ice scrapers, water wipers and the Draco thermal ice smoother for small and medium surfaces.

Manual equipment can also support a machine by treating corners, edges and local surface damage that the main resurfacer cannot reach efficiently.

Snow handling must be designed into the technical area

Every resurfacing cycle produces ice shavings and snow. The machine needs a practical route from rink to dumping point without crossing public traffic.

Permanent arenas may use a snow-melting pit. Where refrigeration heat recovery is available, recovered heat can sometimes be used for snow melting instead of treating condenser heat purely as waste.

Blade condition determines surface quality

The resurfacer can only shave accurately if the blade is sharp, straight and correctly adjusted. Worn blades increase operator compensation and can leave grooves or uneven shaving depth.

A practical equipment package should therefore include spare blades, safe blade handling, adjustment procedures and a service plan.

Operator technique matters as much as the machine

Speed, overlap, shaving depth, water flow and corner technique determine the final result. Two operators can create very different ice with the same equipment.

AST explicitly combines resurfacing equipment with on-site operator training and service support. SPORTWAVE follows the same principle regionally: machine selection should be accompanied by operator instruction and a repeatable maintenance routine.

How to choose the resurfacing class

Information needed for resurfacing-equipment selection

• rink dimensions and geometry;
• indoor or outdoor use;
• number of daily resurfacing cycles;
• available turnaround time between sessions;
• main sport or public-skating use;
• board service-gate width;
• technical-area dimensions and turning space;
• available charging or fuel infrastructure;
• water supply and water treatment;
• snow-handling method;
• operator and service expectations.

From these inputs, SPORTWAVE can define the appropriate resurfacer class, drive concept, water and snow capacity, edge-maintenance equipment and supporting technical infrastructure required for the rink.