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Comparison
Verdict in brief
Both the Ideal Exalt Wall 110 and the Ideal Exalt Wall 199 belong to the Ideal Heating Exalt Wall (heat-only) line of condensing boilers. The Ideal Exalt Wall 110 is rated 13.75–110 MBH input, 102 MBH DOE heating capacity and 95% AFUE, and the Ideal Exalt Wall 199 is rated 24.875–199 MBH input, 184 MBH DOE heating capacity and 95% AFUE. Ideal Exalt Wall 199 lists 89 MBH more input than Ideal Exalt Wall 110 (199 MBH against 110 MBH). Both list the same published AFUE of 95%. Ideal Exalt Wall 199 lists 31 lb more shipping weight than Ideal Exalt Wall 110 (119 lb against 88 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Ideal Exalt Wall 110 | Ideal Exalt Wall 199 |
|---|---|---|
| Input, minimum (NG & LP) | 13.75 MBH | 24.875 MBH |
| Input, maximum (NG & LP) | 110 MBH | 199 MBH |
| Efficiency (AFUE) | 95 % | 95 % |
| Turndown ratio | 8:1 | 8:1 |
| Domestic hot water | Heating-only; pair with a separate DHW source | Heating-only; pair with a separate DHW source |
| Weight | 88 lb | 119 lb |
| Height | 26 in | 26 in |
| Width | 21.75 in | 21.75 in |
| Depth | 16.5 in | 16.5 in |
| Maximum vent length, 3 in | 100 ft | 100 ft |
| Supply / return connections (MNPT) | 1 in | 1 in |
| Gas connection (MNPT) | 3/4 in | 3/4 in |
| DOE heating capacity | 102 MBH | 184 MBH |
| AHRI net rating | 89 MBH | 159 MBH |
| Vent / air connections | 3 in | 3 in |
| Water volume | 2 gal | 4 gal |
| Maximum CH flow temperature | 185 °F | 185 °F |
Published ratings: the Ideal Exalt Wall 110 is rated 13.75–110 MBH input, 102 MBH DOE heating capacity and 95% AFUE; the Ideal Exalt Wall 199 is rated 24.875–199 MBH input, 184 MBH DOE heating capacity and 95% AFUE. Ideal Exalt Wall 199 lists 89 MBH more input than Ideal Exalt Wall 110 (199 MBH against 110 MBH). Both list the same published AFUE of 95%.
Ideal Exalt Wall 199 lists 31 lb more shipping weight than Ideal Exalt Wall 110 (119 lb against 88 lb). The water volume differs: the Ideal Exalt Wall 110 lists 2 gal, while the Ideal Exalt Wall 199 lists 4 gal.
Both records print the same AFUE (95%), turndown (8:1), domestic-hot-water arrangement (Heating-only; pair with a separate DHW source) and height (26 in), per the cited sources.
Ideal Heating
The Ideal Exalt Wall 110 is the smallest heat-only model in the Exalt Wall line: 13,750 to 110,000 BTU/h input at 95% AFUE, 8:1 turndown and an 88 lb wall-hung cabinet, with 2-inch venting up to 28 feet or 3-inch up to 100 feet.
Ideal Heating
The Ideal Exalt Wall 199 is the largest heat-only model in the Exalt Wall line: 24,875 to 199,000 BTU/h input at 95% AFUE, 8:1 turndown and a 119 lb cabinet with 3-inch venting up to 100 feet.
The Ideal Exalt Wall 199 lists 199 MBH, against 110 MBH on the Ideal Exalt Wall 110, per the cited documentation.
Both list the same AFUE of 95%.
It ships at 119 lb against 88 lb for the Ideal Exalt Wall 110, per the cited sources.
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.