Navien All-Electric Heat Pump System
NAZ Heat Pump + NAS Air Handler
No gas. No furnace. Just clean, efficient electric heating and cooling powered by the NAZ Air-to-Air Heat Pump and NAS Air Handler. Up to 19.5 SEER2 and 9.3 HSPF2 — perfect for all-electric homes.
Complete Comfort — No Gas Connection Needed
For homes without a gas connection, or for homeowners who want to eliminate gas entirely, the NAZ + NAS system delivers full heating and cooling capability using only electricity.
The NAZ Heat Pump handles both summer cooling and winter heating efficiently. The NASV variable-speed air handler distributes the conditioned air throughout your home and can accept field-installed electric heat strips (5–20 kW) as a supplemental heat source on the coldest days.
- NAZ heat pump: heating and cooling from a single outdoor unit
- NASV variable-speed air handler: quiet, precise airflow distribution
- Up to 18.5 SEER2 and 9.1 HSPF2 (5-ton AHRI certified configuration)
- Electric heat kit backup: 5, 8, 10, 15, or 20 kW options (field installed)
- Multi-position NAS: upflow, downflow, or horizontal to suit any space
- Slide-out blower for easy maintenance
- Compatible with germicidal light systems for enhanced air quality
- A2L refrigerant sensor and mitigation control built in
- R-454B eco-friendly refrigerant throughout
System Performance Data (AHRI Certified)
| Capacity | ODU | IDU | Cooling (BTU/h) | Heating (BTU/h) | SEER2 | HSPF2 |
|---|---|---|---|---|---|---|
| 2 Ton | NAZ-17V36 | NASV24B | 23,400 | 25,000 | 18.00 | 8.75 |
| 3 Ton | NAZ-17V36 | NASV36C | 34,400 | 36,000 | 19.50 | 8.75 |
| 4 Ton | NAZ-17V60 | NASV48D | 46,500 | 45,000 | 18.00 | 9.30 |
| 5 Ton | NAZ-17V60 | NASV59D | 56,000 | 56,000 | 18.50 | 9.10 |
AHRI certified. Subject to change — visit ahridirectory.org for latest performance data.
Go All-Electric with NAZ + NAS
ER Plumbing & Heating installs all-electric NAZ + NAS systems for new builds, homes converting away from gas, and properties without gas service. We handle the full system — outdoor unit, air handler, electric heat kit, and thermostat.
- System sizing for your home
- Electric heat kit selection and installation
- Panel upgrade coordination if needed
- Rebate eligibility check (ask us!)
Want a gas backup for Alberta winters? See the Dual-Fuel System.


