A whole-home cold-climate ducted heat pump system engineered specifically for Canadian sub-zero winters. The Mitsubishi Electric Zuba Central pairs an advanced Hyper-Heat Inverter (H2i) outdoor condensing unit (PUZ-HA series) with a high-efficiency multi-position indoor air handler (PVA-A series). Engineered to replace traditional gas furnaces or electric resistance systems, Zuba Central connects directly to existing central ductwork, delivering 100% rated heating capacity down to -15 °C (5 °F) and continuous high-efficiency thermal performance in deep winter temperatures down to -30 °C (-22 °F).
Technical specifications
| System Type | Ducted |
|---|---|
| Warranty | The parts are warranted for a period of 60 months (5 years) to the original owner of the System. The compressor is warranted for a period of 84 months (7 years) to the original owner of the System. Notwithstanding the foregoing, if the System is installed by a licensed HVAC Installer who has completed the Mitsubishi Electric Quality Dealer Training Program (“MESCA Authorized Contractor”) and all parts of the System are registered in the Mitsubishi Electric Extended Warranty program within 90 days from installation, the parts and compressor will be covered under warranty for a period of 120 months (10 years) to the original owner, providing the System remains at the original installed address. Source: Mitsubishi Electric warrantyWarranty is provided by the manufacturer under its own terms. See the source link for full details. |
Key features
- Hyper-Heat Inverter (H2i) technology: utilizes flash-injection bypass circuitry to maintain 100% rated heating capacity at -15 °C (5 °F) and continuous heat operation down to -30 °C (-22 °F) without supplemental electric backup heat strips in typical Canadian winter conditions.
- Multi-position indoor air handler (PVA-A): flexible cabinet configuration supports upflow, downflow, horizontal left, and horizontal right configurations, fitting existing furnace duct drop configurations with minimal sheet metal alterations.
- Modulating inverter compressor: variable-speed inverter continuously adjusts output capacity to exact indoor heating and cooling demands, eliminating drafty starts and temperature swings while conserving energy.
- High-efficiency DC blower motor: ECM blower delivers selectable external static pressure settings up to 0.80 in. w.g. (200 Pa) to accommodate standard or restrictive ductwork runs.
- Quiet operation: outdoor sound levels as low as 49 dB(A) and whisper-quiet indoor acoustic dampening provide peaceful home comfort.
- Auxiliary electric heat readiness: air handler accommodates factory-engineered slide-in auxiliary electric heating elements for severe polar vortex contingency backup.
Capacity varieties & sizing
Choosing the proper tonnage ensures balanced air distribution, comprehensive dehumidification in humid Ontario summers, and heating coverage during peak winter heating degree days:
- 2.5 Ton / 30,000 BTU/h (Outdoor: PUZ-HA30NKA / Air Handler: PVA-A30AA7): optimized for high-efficiency modern homes, semi-detached properties, and well-insulated residences up to 140–185 m² (1,500–2,000 sq ft). Delivers up to 34,000 BTU/h maximum winter heating capacity.
- 3.0 Ton / 36,000 BTU/h (Outdoor: PUZ-HA36NKA / Air Handler: PVA-A36AA7): ideal for typical detached Canadian family homes measuring 185–230 m² (2,000–2,500 sq ft). Delivers up to 40,000 BTU/h maximum winter heating output with strong sub-zero thermal retention.
- 3.5 Ton / 42,000 BTU/h (Outdoor: PUZ-HA42NKA / Air Handler: PVA-A42AA7): high-output central configuration for large custom homes measuring 230–300+ m² (2,500–3,500 sq ft) or properties with extensive exterior glazing requiring robust heating performance. Maximum heating output reaches 48,000 BTU/h.
Specifications
| Parameter | 2.5 Ton (30,000 BTU) | 3.0 Ton (36,000 BTU) | 3.5 Ton (42,000 BTU) |
|---|---|---|---|
| Model Identification | |||
| Outdoor unit | PUZ-HA30NKA | PUZ-HA36NKA | PUZ-HA42NKA |
| Indoor air handler | PVA-A30AA7 | PVA-A36AA7 | PVA-A42AA7 |
| System configuration | Centrally ducted split | Centrally ducted split | Centrally ducted split |
| Thermal Performance | |||
| Cooling rated capacity | 30,000 BTU/h (8.8 kW) | 36,000 BTU/h (10.5 kW) | 42,000 BTU/h (12.3 kW) |
| Heating rated capacity (47 °F) | 32,000 BTU/h (9.4 kW) | 40,000 BTU/h (11.7 kW) | 48,000 BTU/h (14.1 kW) |
| Heating capacity at 5 °F (-15 °C) | 30,000 BTU/h (100% rated) | 36,000 BTU/h (100% rated) | 42,000 BTU/h (100% rated) |
| Minimum heating operating temp | -30 °C (-22 °F) | -30 °C (-22 °F) | -30 °C (-22 °F) |
| SEER2 / SEER rating | Up to 16.0 SEER | Up to 15.5 SEER | Up to 15.3 SEER |
| HSPF2 / HSPF rating | Up to 10.5 HSPF | Up to 10.0 HSPF | Up to 9.5 HSPF |
| COP at 47 °F | 3.60 | 3.55 | 3.50 |
| COP at 5 °F | 2.05 | 1.98 | 1.91 |
| Air Handler (Indoor) | |||
| Blower type | High-efficiency ECM motor | High-efficiency ECM motor | High-efficiency ECM motor |
| External static pressure (ESP) | 0.30 to 0.80 in. w.g. | 0.30 to 0.80 in. w.g. | 0.30 to 0.80 in. w.g. |
| Rated airflow (dry) | 875 CFM | 1,050 CFM | 1,262 CFM |
| Cabinet orientations | Upflow / Downflow / Horizontal | Upflow / Downflow / Horizontal | Upflow / Downflow / Horizontal |
| Dimensions (W × D × H) | 432 × 548 × 1,372 mm (17"×21.6"×54") | 533 × 548 × 1,372 mm (21"×21.6"×54") | 635 × 548 × 1,372 mm (25"×21.6"×54") |
| Weight (indoor) | 51 kg (113 lb) | 59 kg (130 lb) | 78 kg (172 lb) |
| Outdoor Heat Pump | |||
| Compressor type | Hyper-Heat Inverter scroll | Hyper-Heat Inverter scroll | Hyper-Heat Inverter scroll |
| Refrigerant | R-410A (pre-charged) | R-410A (pre-charged) | R-410A (pre-charged) |
| Sound pressure level | 49 dB(A) | 51 dB(A) | 51 dB(A) |
| Dimensions (W × D × H) | 1,050 × 330 × 1,338 mm | 1,050 × 330 × 1,338 mm | 1,050 × 330 × 1,338 mm |
| Weight (outdoor) | 120 kg (265 lb) | 124 kg (273 lb) | 130 kg (287 lb) |
| Electrical & Refrigerant Piping | |||
| Electrical supply | 208/230 VAC, 1-phase, 60 Hz | 208/230 VAC, 1-phase, 60 Hz | 208/230 VAC, 1-phase, 60 Hz |
| Recommended breaker size | 35 A | 40 A | 40 A |
| Refrigerant line size (Liquid / Gas) | 3/8 in. / 5/8 in. flanged | 3/8 in. / 5/8 in. flanged | 3/8 in. / 5/8 in. flanged |
| Max piping length | 75 m (245 ft) | 75 m (245 ft) | 75 m (245 ft) |
| Max elevation difference | 30 m (100 ft) | 30 m (100 ft) | 30 m (100 ft) |
Before you buy
- Professional heat loss calculation: ensure a certified HVAC technician performs a CSA F280 heat-gain/heat-loss calculation on your home to select between 2.5-ton, 3.0-ton, or 3.5-ton systems accurately.
- Ductwork static pressure evaluation: existing supply and return trunks should be inspected to ensure proper static pressure and CFM airflow capacity for heat pump operation.
- Outdoor unit winter mounting: in Canadian snow regions, outdoor condensing units must be installed on a raised wall bracket or snow stand at least 300–450 mm (12–18 in.) above the historical snow line with clear drainage for defrost condensation.
- Electrical panel capacity: requires a dedicated 208/230 V 40 A dual-pole breaker for the outdoor unit, plus independent electrical circuit service if optional auxiliary electric backup heat kits are installed.
- Thermostat compatibility: compatible with Mitsubishi Electric smart controllers (such as the kumo cloud interface, MHK2 wireless touch controller) or standard 24 VAC smart thermostats via an optional thermostat interface module.
Have questions about cold-climate heat pump sizing, ductwork compatibility, or winter performance? Request a product quote and our equipment team will assist you.
Frequently asked questions
Does the Zuba Central PVA air handler replace an existing oil, gas, or electric furnace?
Yes. The multi-position PVA ducted air handler directly connects to standard residential ductwork, replacing traditional furnaces with a high-efficiency variable-capacity ECM blower system.
Can backup auxiliary heat be added for extreme Ontario weather?
Yes. Optional factory electric heat kits integrate seamlessly into the PVA air handler for supplementary or emergency heating.
What lineset pipe sizes are required?
The 3.0-ton system requires a 3/8-inch liquid line and a 5/8-inch suction vapor line insulated with 1/2-inch wall closed-cell foam insulation.
What thermostat controls can be used with Zuba Central?
The system can be operated with Mitsubishi’s proprietary kumo cloud wireless interface, a PAR-40MAAU wall controller, or standard 24 V smart thermostats (like ecobee) using the optional PAC-PAC-US445CN-1 thermostat adapter interface.
What is the seasonal cooling efficiency rating?
The system achieves up to 18.0 SEER2 and up to 10.0 HSPF2, providing exceptional year-round climate efficiency in Canadian homes.
Does the outdoor unit include a factory base pan heater?
Yes. Canadian-spec PUZ-HA Hyper-Heat units come equipped with a factory-installed base pan heater to prevent melted condensate from freezing and creating ice dams during winter defrost cycles.
What mounting elevation is required for Canadian installations?
The outdoor condenser must be installed on heavy-duty wall brackets or an elevated stand at least 18 to 24 inches above local historical snow lines to allow clear drainage during defrost.
Documents
- Submittal engineering data sheet — Mitsubishi Zuba Central PVA-A and PUZ-HA series heat pump system (PDF)
- Heating performance data — Mitsubishi Zuba Central capacity and COP performance curve (PDF)
- Technical compatibility matrix — Mitsubishi Electric P-Series outdoor units and air handlers (PDF)
- Product engineering release bulletin — PVA-A multi-position air handling units (PDF)
Specifications derived from Mitsubishi Electric Sales Canada (MESCA) Zuba Central submittal data SB_PVA-A42AA4_PUZ-HA42NKA4, Zuba 30 heating performance engineering data, and P-Series compatibility technical documentation. Specifications are subject to change by the manufacturer.
Installation & Safety Notice: Cold-climate central heat pump systems must be installed by a licensed HVAC technician and certified electrician following Mitsubishi Electric guidelines to ensure proper refrigerant charge, airflow balance, and warranty protection.
Common questions
Is installation included?
No. AVL Shop sells equipment only. Installation is done by an independent licensed contractor that you hire.
How is freight charged?
Freight cost is included in your written quote before you pay.
What warranty does this product have?
The manufacturer warranty applies. Where we have the manufacturer’s exact wording, it is shown in the Warranty row of the specifications on this page, with a link to the source.
How do I get a quote?
Use Request a quote on this page and send the model and your city or postal code.