Laars NeoTherm 850
The Laars NeoTherm 850 is a Up to 96% thermal commercial boiler with a 850,000 BTU input BTU output, part of the Laars NeoTherm line. GasBoilers.ca installs, repairs, and maintains the NeoTherm 850 across Greater Vancouver — Red Seal–certified, TSBC-licensed, same-day repair available. Call 604-359-1081.
Laars NeoTherm 850 overview
The NeoTherm is a direct-vent, sealed-combustion modulating condensing boiler that scales from residential to commercial capacities with up to 96% thermal efficiency. It uses an ASME stainless-steel heat exchanger, modulates with a 5-to-1 turndown, and runs low-NOx for code-driven projects.
Up to 96% thermal
Efficiency
850,000 BTU input
BTU Output
Up to 10 years
Warranty
NeoTherm 850 specifications
| Model | Laars NeoTherm 850 |
| Series | NeoTherm |
| Type | commercial |
| BTU Output | 850,000 BTU input |
| Efficiency | Up to 96% thermal |
| Warranty | Up to 10 years |
| Origin | United States |
| Best for | Large commercial loads |
NeoTherm features
Laars NeoTherm 850 services we provide
All work by licensed BC gas-fitters — TSBC-certified.
NeoTherm 850 Installation
Permit, sizing, venting, gas, commissioning.
From $12,000
NeoTherm 850 Repair
Error code diagnosis, parts, full repair.
From $289
NeoTherm 850 Maintenance
Annual tune-up — required for warranty.
From $259
NeoTherm 850 Replacement
Upgrade an older unit. Rebate-eligible.
From $12,000
Emergency Service
Same-day no-heat, leak, CO, gas-smell response.
Call 604-359-1081
Warranty Service
Authorized warranty repairs for Laars.
Warranty-covered
Laars NeoTherm 850 — frequently asked questions
How much does Laars NeoTherm 850 installation cost in Vancouver?
Laars NeoTherm 850 installation starts from $12,000 in Greater Vancouver, including permit, code-compliant venting and gas piping, removal of the old unit, and full commissioning. Final pricing depends on your existing system and a heat-loss calculation. Call 604-359-1081 for a free quote.
What size is the Laars NeoTherm 850?
The Laars NeoTherm 850 has a heating output of 850,000 BTU input BTU, with Up to 96% thermal efficiency. It is best suited to large commercial loads.
Do you repair the Laars NeoTherm 850?
Yes. We diagnose and repair the Laars NeoTherm 850 — error codes, ignition faults, no-heat, leaks, low pressure, and sensor issues — from $289. Our technicians are factory-trained on Laars NeoTherm units and carry common parts on the truck.
How often should the Laars NeoTherm 850 be serviced?
Laars recommends annual maintenance to keep the NeoTherm 850 efficient, safe, and within warranty (up to up to 10 years). Our maintenance service starts from $259.
Laars NeoTherm 850 service across Greater Vancouver
We service the NeoTherm 850 in every major Greater Vancouver city.
Book Laars NeoTherm 850 service today
Same-day repair available · Free installation quotes · Licensed gas-fitters