Sure Comfort S951T

S951T is the Canadian Vantix95% family with a constant-torque motor. It is a useful basic-equipment comparison for a household receiving a Sure Comfort proposal, but the complete model and Canadian submittal are needed to establish capacity and fit. Older S95T literature should not silently replace that documentation.

Reviewed 11 October 2026 · Canadian dollars where stated · Independent comparison guide

Size, efficiency & equipment

Brand	Sure Comfort
Model family	S951T
Fuel / equipment class	Natural gas; propane only where the full-model approval and conversion requirements permit
Efficiency	95 % AFUE; NRCan listed full-model records; not an inferred output from AFUE
Burner stages / control	Single-stage
Blower	Constant-torque ECM
Input capacity, BTU/h	42,000–112,000 BTU/h; NRCan listed full-model records; not an inferred output from AFUE
Rated output, BTU/h	40,000–106,000 BTU/h; NRCan listed full-model records; not an inferred output from AFUE
Cabinet dimensions	Not verified — obtain the exact model specification
Canadian availability	Canadian NRCan records found for this family; listing does not prove local stock or every installation application.

Family maxima and ranges are not the specification of every size. Obtain the complete model suffix, current output rating and dimensional drawing. Cabinet dimensions do not include all service clearances.

Reported model	Configuration	Input BTU/h	Output BTU/h	AFUE %
S951T0403A17M4	UDH	42,000	40,000	95
S951T0603A17M4	UDH	56,000	53,000	95
S951T0703A17M4	UDH	70,000	67,000	95
S951T0705A21M4	UDH	70,000	67,000	95
S951T0855A21M4	UDH	84,000	80,000	95
S951T1005A21M4	UDH	98,000	93,000	95
S951T1155A24M4	UDH	112,000	106,000	95

Saved registry observations, not a stock list. Wildcards and configuration codes are reproduced as reported. UH = upflow; D = downflow where used. Search the complete registry.

Manufacturer pictures & technical drawings

Exact cabinet drawing was not verified for this profile. Use the manufacturer sources below and request the selected model’s current dimensional sheet before ordering.

Capacity and installation fit

The manufacturer describes four-way multi-position installation. Have the dealer specify the actual orientation, input, output and cabinet width for the selected unit. Where a table is not supplied, preserve the unknown value instead of borrowing a number from a similarly named related-brand furnace.

Compare the proposal, not just the badge

Compare S951T with other single-stage constant-torque offers using the same installation assumptions. Ask for the cost of any S962V upgrade as a separate amount and request a reason tied to comfort or controls. A lesser-known badge is not evidence that the equipment must be inferior or that every lower quote is a bargain.

Evidence to request before purchase

For the S951T, keep the complete suffix and the dated specification with the quotation. Have the installer identify the selected heating output, installation orientation and control arrangement in writing. A family maximum is not necessarily the rating of the unit supplied. Ask for the completed startup record and the current Canadian warranty certificate, including labour exclusions. This profile does not assign a failure-rate score or convert a warranty promise into evidence of longer life.

Cost, reliability & alternatives

No current Canadian installed-price schedule from the manufacturer was verified. Seek itemized quotes for the exact Vantix family, including the selected controls and local support arrangement.

The Canadian pages provide equipment features and warranties, but not comparable Canadian field-failure rates. No reliability ranking against related Paloma Rheem brands is justified from those materials alone.

Read the Sure Comfort brand assessment · Installed-price context · Compare this model

Sources & verification

Research snapshot: 11 October 2026. Confirm the current complete model, Canadian supply and warranty before purchase.