Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The System 2000 EK1 Frontier 80,000 BTU/hr and System 2000 EK1 Frontier 100,000 BTU/hr are both non-condensing boilers in the Energy Kinetics System 2000 Frontier line. The System 2000 EK1 Frontier 80,000 BTU/hr is documented at 80,000 BTU/hr input, 69,000 BTU/hr gross output and 86% AFUE, while the System 2000 EK1 Frontier 100,000 BTU/hr is documented at 100,000 BTU/hr input, 85,000 BTU/hr gross output and 85% AFUE. System 2000 EK1 Frontier 100,000 BTU/hr lists 20,000 BTU/hr more input than System 2000 EK1 Frontier 80,000 BTU/hr (100,000 BTU/hr against 80,000 BTU/hr). System 2000 EK1 Frontier 80,000 BTU/hr lists 1 percentage points more AFUE than System 2000 EK1 Frontier 100,000 BTU/hr (86% against 85%). Both list the same published shipping weight of 270 lb.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | System 2000 EK1 Frontier 80,000 BTU/hr | System 2000 EK1 Frontier 100,000 BTU/hr |
|---|---|---|
| Input | 80,000 BTU/hr | 100,000 BTU/hr |
| Gross output (natural gas) | 69,000 BTU/hr | 85,000 BTU/hr |
| Efficiency (AFUE, natural gas) | 86 % | 85 % |
| Domestic hot water | Integrated system: heat plus domestic hot water from a storage tank using the Energy Manager control | Integrated system: heat plus domestic hot water from a storage tank using the Energy Manager control |
| Water content | 2.5 gal | 2.5 gal |
| Energy converter weight | 270 lb | 270 lb |
| Venting | Chimney venting standard; power-vent chimneyless option available | Chimney venting standard; power-vent chimneyless option available |
| Control | Energy Manager control (5-year warranty, lifetime protection plan) | Energy Manager control (5-year warranty, lifetime protection plan) |
| Fuel | Natural gas or propane | Natural gas or propane |
| Efficiency (AFUE, propane) | 88 % | 88 % |
| Construction | 3/16" pressure vessel steel throughout; ASME code construction, National Board registered | 3/16" pressure vessel steel throughout; ASME code construction, National Board registered |
Published ratings: the System 2000 EK1 Frontier 80,000 BTU/hr is rated 80,000 BTU/hr input, 69,000 BTU/hr gross output and 86% AFUE; the System 2000 EK1 Frontier 100,000 BTU/hr is rated 100,000 BTU/hr input, 85,000 BTU/hr gross output and 85% AFUE. System 2000 EK1 Frontier 100,000 BTU/hr lists 20,000 BTU/hr more input than System 2000 EK1 Frontier 80,000 BTU/hr (100,000 BTU/hr against 80,000 BTU/hr). System 2000 EK1 Frontier 80,000 BTU/hr lists 1 percentage points more AFUE than System 2000 EK1 Frontier 100,000 BTU/hr (86% against 85%).
Both records print the same domestic-hot-water arrangement (Integrated system: heat plus domestic hot water from a storage tank using the Energy Manager control), boiler water content (2.5 gal), shipping weight (270 lb) and venting (Chimney venting standard; power-vent chimneyless option available), per the cited sources.
Energy Kinetics
The System 2000 EK1 Frontier 80,000 BTU/hr input row is the smallest EK1 size and the highest printed AFUE row in the line: 69,000 BTU/hr gross output at 86% AFUE on natural gas (70,000 BTU/hr at 88% on propane) through the EK1 energy converter.
Energy Kinetics
The System 2000 EK1 Frontier 100,000 BTU/hr input row is the second EK1 size: 85,000 BTU/hr gross output at 85% AFUE on natural gas (88,000 BTU/hr at 88% on propane) through the EK1 energy converter.
The System 2000 EK1 Frontier 100,000 BTU/hr lists 100,000 BTU/hr, against 80,000 BTU/hr on the System 2000 EK1 Frontier 80,000 BTU/hr, per the cited documentation.
The System 2000 EK1 Frontier 80,000 BTU/hr carries the higher published AFUE at 86%, against 85%.
A consultation includes a heat-loss review so the size is right the first time.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.