A good outdoor heater for a one or two bathroom home in a mild climate.
Amazon $884.10 Amazon $884.10
A compact condensing heater for a smaller home that wants PVC venting, though bigger rivals cost little more.
- 120,000 BTU/hHeating power
- 6.6 GPMMax flow
- 0.89UEF
- 12 yearsHeat exchanger warranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- Condensing at 0.89 UEF with cheap PVC venting
- Light at 39 lb and compact for a closet install
- 12 year heat exchanger warranty
- 120,000 BTU/h limits it to about two showers at once
- Heat exchanger warranty drops to 3 years with recirculation
- Costs about the same as 199,000 BTU/h heaters from other brands
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 | NRC661-DV-NG |
|---|---|
| Heating | |
| Fuel | Gas |
| Gas type | Natural gas or propane |
| Gas input | 15,000 to 120,000 BTU/h |
| Max flow | 6.6 GPM |
| UEF | 0.89 |
| Condensing | Yes |
| ENERGY STAR | Yes |
| Installation | |
| Venting | Indoor |
| Vent type | Schedule 40 PVC |
| Weight | 39 lb |
| Features | |
| Built-in recirculation | No |
| Wi-Fi | No |
| Heat exchanger warranty | 12 years |
| Parts warranty | 5 years |
Alternatives in this fuel
An affordable smart heater for a small home that wants app control without paying for a premium brand.
Amazon $499 Amazon $499A low cost outdoor heater from a major brand for a small home, cabin or condo in a mild climate.
Amazon $741.65 Amazon $741.65Compare
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