Panasonic EXTERIOS Z Single-Zone Heat Pump – R-32 Cold Climate
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The Panasonic EXTERIOS Z is a single-zone, wall-mount ductless heat pump that heats and cools one room or area. It uses the same R32 cold-climate outdoor unit as the ClimaPure XZ, heats down to −26 °C (−15 °F), and is ENERGY STAR® Cold Climate certified. Bison Air is an authorized Panasonic dealer, and every price includes standard installation in Toronto and the GTA.
- ✓ Standard installation included in every price
- ✓ Up to 27.5 SEER2 and 12.0 HSPF2 (9,000 BTU model, HSPF2 Region IV)
- ✓ Heats down to −26 °C (−15 °F) outdoors, ENERGY STAR® Cold Climate certified
- ✓ Heat pump rebate eligible as a qualifying cold-climate system, see heat pump rebates
- ✓ 10-year parts and 1-year labour warranty
- ✓ Financing available, with no upfront payment options
📏 Choose Your EXTERIOS Z Size
| Size | Indoor / outdoor model | Best for | Rated heating (BTU/h) | Max heating at −15 °C (BTU/h) | SEER2 / HSPF2 (Region IV) |
|---|---|---|---|---|---|
| 9,000 BTU | CS-Z9AKUAW / CU-XZ9AKUAC | Small rooms (up to ~450 sq ft) | 10,900 | 11,700 | 27.5 / 12.0 |
| 12,000 BTU | CS-Z12AKUAW / CU-XZ12AKUAC | Bedrooms and offices (~550–700 sq ft) | 12,000 | 13,700 | 25.0 / 11.7 |
| 15,000 BTU | CS-Z15AKUAW / CU-XZ15AKUAC | Larger bedrooms and family rooms | 17,200 | 15,300 | 22.4 / 12.0 |
| 18,000 BTU | CS-Z18AKUAW / CU-XZ18AKUAC | Living areas (~800–1,000 sq ft) | 20,400 | 17,800 | 22.0 / 11.7 |
| 24,000 BTU | CS-Z24AKUAW / CU-XZ24AKUAC | Large open spaces (~1,100–1,400 sq ft) | 28,800 | 20,400 | 20.5 / 11.0 |
Room sizes are a guide only. We confirm the right size with the room's heat load before installation. Ratings from Panasonic EXTERIOS submittals (April 2025).
💡 EXTERIOS Z or ClimaPure XZ? Both use the same outdoor unit, so heating, efficiency and cold-climate range are the same. The ClimaPure XZ indoor unit adds nanoe™ X air purification and built-in Wi-Fi. Choose EXTERIOS Z if you want the same performance with a simpler indoor unit.
📦 What's Included
- ✓ Outdoor unit (CU-XZ series) with base pan heater for winter defrost
- ✓ Wall-mount indoor unit (CS-Z series)
- ✓ Wireless remote
- ✓ Refrigerant line set, connection and commissioning as part of standard installation
❄️ Key Features
- ✓ Cold-climate heating to −26 °C, with up to 20,400 BTU/h of heat at −15 °C (24,000 BTU model)
- ✓ ENERGY STAR® Cold Climate certified
- ✓ AI ECO balances energy savings and comfort
- ✓ Quiet: indoor unit as low as 19 dB(A) on the 9,000 and 12,000 BTU models
- ✓ Inverter compressor that ramps up and down instead of switching on and off
- ✓ R32 refrigerant, lower global warming potential than R410A
- ✓ Fireplace function for rooms with another heat source
- ✓ 9,000–18,000 BTU indoor units can also be used on Panasonic multi-zone systems
📋 Technical Specifications
| Specification | 9,000 | 12,000 | 15,000 | 18,000 | 24,000 |
|---|---|---|---|---|---|
| Cooling, rated (min–max) BTU/h | 8,700 (2,900–12,600) | 11,500 (2,900–16,100) | 14,700 (3,300–19,300) | 17,200 (6,100–22,200) | 24,000 (6,100–27,200) |
| Heating, rated (min–max) BTU/h | 10,900 (3,200–19,900) | 12,000 (3,200–23,600) | 17,200 (3,300–25,200) | 20,400 (6,800–30,400) | 28,800 (6,800–37,200) |
| Heating at −8 °C (17 °F) BTU/h | 14,500 | 16,500 | 17,500 | 21,000 | 25,200 |
| Max heating at −15 °C (5 °F) BTU/h | 11,700 | 13,700 | 15,300 | 17,800 | 20,400 |
| SEER2 | 27.5 | 25.0 | 22.4 | 22.0 | 20.5 |
| EER2 | 16.4 | 14.35 | 13.35 | 13.65 | 11.75 |
| HSPF2 Region IV / V | 12.0 / 9.2 | 11.7 / 8.9 | 12.0 / 8.9 | 11.7 / 8.8 | 11.0 / 8.3 |
| Lowest heating temperature | −26 °C | −26 °C | −26 °C | −26 °C | −26 °C |
| Power supply | 208–230 V, 1 ph | 208–230 V, 1 ph | 208–230 V, 1 ph | 208–230 V, 1 ph | 208–230 V, 1 ph |
| MCA / MOCP | 15 A / 15 A | 15 A / 20 A | 15 A / 20 A | 15 A / 20 A | 20 A / 30 A |
| Indoor sound, high / quiet (dB(A)) | 42 / 19 | 44 / 19 | 45 / 30 | 46 / 33 | 49 / 34 |
| Line set length / max height | 10–66 ft / 49 ft | 10–66 ft / 49 ft | 10–66 ft / 49 ft | 10–100 ft / 66 ft | 10–100 ft / 66 ft |
| Indoor unit H × W × D (in), weight | 11⅝ × 34¼ × 9 · 24 lb | 11⅝ × 34¼ × 9 · 24 lb | 11⅝ × 34¼ × 9 · 24 lb | 11⅝ × 41 × 9⅝ · 31 lb | 11⅝ × 41 × 9⅝ · 31 lb |
| Outdoor unit H × W × D (in), weight | 24½ × 32½ × 11¾ · 79 lb | 24½ × 32½ × 11¾ · 79 lb | 27⅝ × 34½ × 12⅝ · 93 lb | 31¼ × 34½ × 12⅝ · 110 lb | 31¼ × 34½ × 12⅝ · 110 lb |
Source: Panasonic EXTERIOS Z system submittals (April 2025) and product pages. Dimensions rounded to the nearest ⅛ in.
Documents: Installation Manual – 9K/12K/15K indoor & outdoor · Installation Manual – 18K/24K indoor & outdoor · Operating Manual – CS-Z series (Nov 2025) · Panasonic Mini-Split Heat Pumps brochure · Submittal – Z9AKUA system · Submittal – Z12AKUA system · Submittal – Z15AKUA system · Submittal – Z18AKUA system · Submittal – Z24AKUA system · Submittal – CS-Z9AKUAW indoor unit · Submittal – CS-Z12AKUAW indoor unit · Submittal – CS-Z15AKUAW indoor unit · Submittal – CS-Z18AKUAW indoor unit · Submittal – CS-Z24AKUAW indoor unit
🔧 What Standard Installation Includes
- ✓ Indoor unit mounted on the wall of your choice
- ✓ Outdoor unit set in place
- ✓ Refrigerant line set, drain and communication wiring up to 20 ft
- ✓ Electrical connection to the outdoor unit
- ✓ Vacuum, leak test, startup and commissioning
- ✓ Remote control set up and tested
- ✓ 1-year labour warranty and warranty registration
Quoted as extras when needed: wall bracket or snow stand for the outdoor unit, and line set or wiring beyond 20 ft (charged per foot). We confirm the line-set route, electrical capacity and mounting before the job, and every extra is quoted in writing before work starts.
🛡️ Warranty
- ✓ Parts: 10 years (Panasonic)
- ✓ Labour: 1 year from Bison Air, included
- ✓ Optional 10-year labour warranty on the outdoor unit (condenser): ask us for details
💰 Rebates & Financing
The EXTERIOS Z is part of a cold-climate heat pump system, so it can qualify for Ontario's Home Renovation Savings heat pump rebate, subject to program eligibility. As a registered HRSP contractor, we help with the paperwork. See Heat Pump Rebates Toronto and the step-by-step rebate guide.
Prefer monthly payments? HVAC financing through Financeit: pre-qualify in seconds without affecting your credit score.
🏆 Why Buy Your Panasonic from Bison Air
- ✓ Authorized Panasonic dealer, listed on Panasonic's dealer locator
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Registered HRSP Heat Pump Rebate Contractor
- ✓ Standard Installation Included – No Hidden Fees
- ✓ Professional System Design & Equipment Selection
- ✓ Clean, Organized Installations
- ✓ 1-year labour warranty on every installation
- ✓ Serving Toronto, York Region, Peel Region, Barrie & all GTA Communities
🔗 Related
- ✓ Single Zone Ductless Installation
- ✓ Ductless Heat Pump Installation
- ✓ Panasonic ClimaPure XZ Single Zone
- ✓ Panasonic Heat Pump Installation
- ✓ All Panasonic Heat Pumps
- ✓ Mini Split Sizing Guide
- ✓ What Is a Cold Climate Heat Pump?
- ✓ Heat Pump Rebates
- ✓ HVAC Financing
📍 Areas We Serve
Panasonic EXTERIOS Z installation throughout Toronto and the GTA:
Toronto · North York · Scarborough · Etobicoke · Vaughan · Markham · Richmond Hill · Aurora · Newmarket · East Gwillimbury · King City · Stouffville · Mississauga · Brampton · Oakville · Milton · Burlington · Barrie · Innisfil · Orillia · Bradford · Keswick · Ajax · Pickering · Whitby · Oshawa · Orangeville
❄️ Get Your EXTERIOS Z Quote
Tell us about the room you want to heat and cool. We will confirm the right size and give you a clear written price.
or fill out our form for a free consultation · Serving Toronto & the GTA
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