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Comparison

Laars MagnaTherm FT CFH2000 vs CFH3000

Verdict in brief

The Laars MagnaTherm FT CFH2000 and Laars MagnaTherm FT CFH3000 are both condensing boilers in the Laars Heating Systems MagnaTherm FT line. The Laars MagnaTherm FT CFH2000 is documented at 100–1999.9 MBH input, 1,900 MBH output and 95.4% thermal efficiency, while the Laars MagnaTherm FT CFH3000 is documented at 150–3,000 MBH input, 2,850 MBH output and 95.9% thermal efficiency. Laars MagnaTherm FT CFH3000 lists 1000.1 MBH more input than Laars MagnaTherm FT CFH2000 (3,000 MBH against 1999.9 MBH). Laars MagnaTherm FT CFH3000 carries the higher published thermal efficiency at 95.9%, against 95.4%. Laars MagnaTherm FT CFH3000 lists 300 lb more shipping weight than Laars MagnaTherm FT CFH2000 (2,250 lb against 1,950 lb).

Side by side

Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.

Comparison of Laars MagnaTherm FT CFH2000 and Laars MagnaTherm FT CFH3000
SpecificationLaars MagnaTherm FT CFH2000Laars MagnaTherm FT CFH3000
Input, minimum100 MBH150 MBH
Input, maximum1,999.9 MBH3,000 MBH
Output, minimum95 MBH143 MBH
Output, maximum1,900 MBH2,850 MBH
Efficiency (thermal)95.4 %95.9 %
Turndown20:120:1
Water content116 gal149 gal
Shipping weight1,950 lb2,250 lb
Efficiency (combustion)95.5 %95.9 %

What actually separates them

Published ratings: the Laars MagnaTherm FT CFH2000 is rated 100–1999.9 MBH input, 1,900 MBH output and 95.4% thermal efficiency; the Laars MagnaTherm FT CFH3000 is rated 150–3,000 MBH input, 2,850 MBH output and 95.9% thermal efficiency. Laars MagnaTherm FT CFH3000 lists 1000.1 MBH more input than Laars MagnaTherm FT CFH2000 (3,000 MBH against 1999.9 MBH). Laars MagnaTherm FT CFH3000 carries the higher published thermal efficiency at 95.9%, against 95.4%.

Laars MagnaTherm FT CFH3000 lists 300 lb more shipping weight than Laars MagnaTherm FT CFH2000 (2,250 lb against 1,950 lb). The boiler water content differs: the Laars MagnaTherm FT CFH2000 lists 116 gal, while the Laars MagnaTherm FT CFH3000 lists 149 gal.

Both models are documented by the official Laars Heating Systems sources cited on their model records; the shared values above are taken from those documents.

Laars Heating Systems

Laars MagnaTherm FT CFH2000

CurrentSold in Canada
Input
100–1999.9 MBH
Output (max)
1,900 MBH
AFUE

The Laars MagnaTherm FT CFH2000 is a commercial condensing firetube boiler rated 100-1,999.9 MBH input and 95-1,900 MBH output at 95.4% thermal efficiency with 20:1 turndown.

Natural gasHeating-only

Laars Heating Systems

Laars MagnaTherm FT CFH3000

CurrentSold in Canada
Input
150–3000 MBH
Output (max)
2,850 MBH
AFUE

The Laars MagnaTherm FT CFH3000 is a commercial condensing firetube boiler rated 150-3,000 MBH input and 143-2,850 MBH output at 95.9% thermal efficiency with 20:1 turndown.

Natural gasHeating-only

Frequently asked questions

Which of the two has the higher maximum input?

The Laars MagnaTherm FT CFH3000 lists 3,000 MBH, against 1999.9 MBH on the Laars MagnaTherm FT CFH2000, per the cited documentation.

Which model is more efficient?

The Laars MagnaTherm FT CFH3000 carries the higher published thermal efficiency at 95.9%, against 95.4%.

How much heavier is the Laars MagnaTherm FT CFH3000?

It ships at 2,250 lb against 1,950 lb for the Laars MagnaTherm FT CFH2000, per the cited sources.

Not sure which one fits your home?

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.

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