Tempstar · Ion Series
Tempstar Ion 98 F9MVE Modulating
98% AFUE Modulating gas furnace with a variable-speed ECM blower.
Specifications
AFUE Efficiency
98%
Heating Stage
Modulating
Blower Motor
variable-speed ECM
Sound Level
60 dB
ENERGY STAR
Certified
BTU Range
40,000–120,000
Heat Exchanger Warranty
Lifetime
Parts Warranty
10 years
Key features
- Modulating gas valve (1% increments)
- Variable-speed ECM blower
- Near-constant comfort
- Lowest temperature swings & sound
Pros & cons
Pros
- Best-in-class comfort
- Quietest operation
- Maximum efficiency & rebates
Cons
- Premium price
- More complex repairs
Ion 98 F9MVE Modulating reviews
No more cold spots
"The installer walked us through the financing and rebates, handled all the paperwork, and had us up and running in a day. Couldn't be happier with the comfort."
— Mike R., Calgary · 2025-08-14
Reliable through a brutal winter
"We went with a two-stage model on the recommendation here and it holds temperature perfectly. No more big swings between the thermostat cycling on and off."
— Priya G., Mississauga · 2025-09-21
Worth the upgrade
"Got three quotes through the marketplace and picked the mid-tier option. Install was clean, the crew was respectful of our home, and everything works great."
— James M., Winnipeg · 2025-10-01
More Tempstar models
Performance N9MSE Two-Stage
Two Stage · 20 yr heat exchanger
96%
AFUE
66
dB
4.4
Rating
Installed
$5,800 – $7,600
Comfort N8MSN
Single Stage · 20 yr heat exchanger
80%
AFUE
71
dB
4.2
Rating
Installed
$4,650 – $6,450
Ion System 97 (F97CMN)
Variable Speed · Lifetime heat exchanger
97%
AFUE
61
dB
4.6
Rating
Installed
$6,800 – $8,600