Camplux WA686M
#11 in GasFull review
A bargain outdoor whole home heater for mild climates, best for buyers comfortable with a short warranty.
Amazon $559.99 Amazon $599.99$559.99
3.8/5
A premium whole home heater for buyers who want built in recirculation and top efficiency and can pay for it.
- 199,000 BTU/hHeating power
- 10.5 GPMMax flow
- 0.95UEF
- 15 yearsHeat exchanger warranty
Check price at Amazon$2,346.08
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Built in recirculation pump brings hot water to faucets faster with no add on
- A 0.95 UEF and a wide 9,000 BTU/h low fire keep gas use low on small draws
- Field convertible to propane with the included kit
- 15 year heat exchanger warranty
Cons
- The most expensive gas heater here
- At 104 lb it needs a sturdy wall and two installers
- Wi-Fi is an extra module
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its fuel. How we rank explains each one.
Specifications
| Model number | ATHR-199M 100 |
|---|---|
| Heating | |
| Fuel | Gas |
| Gas type | Natural gas or propane |
| Gas input | 9,000 to 199,000 BTU/h |
| Max flow | 10.5 GPM |
| UEF | 0.95 |
| Condensing | Yes |
| ENERGY STAR | Yes |
| Installation | |
| Venting | Both |
| Vent type | 2 in or 3 in PVC/CPVC/PP/ABS |
| Weight | 104 lb |
| Features | |
| Built-in recirculation | Yes |
| Wi-Fi | No |
| Heat exchanger warranty | 15 years |
| Parts warranty | 5 years |
Alternatives in this fuel
Rinnai Sensei RX160i
#12 in GasFull review
A very efficient heater for a two bathroom home that does not need the full 199,000 BTU/h of the RX199i.
Amazon $1,298.43$1,298.43
Camplux Climatech 7 CA686W
#14 in GasFull review
A low cost indoor heater for a two bathroom home where price matters more than a long warranty.
Amazon $629.12$629.12
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