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First Co. vs SHARBO: heat pump ratings compared
One of these brands has too few models with every rating for an overall score; see each rating below.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
First Co.
11%
of similar heat pumps beaten by its typical model
Well below average21 models listed
SHARBO
—
of similar heat pumps beaten by its typical model
Not enough rated models21 models listed
- Efficiency on a 5°F dayCOP at 5°FFirst Co.: Beats 34%SHARBO: Not rated
- Heating power kept at 5°FCapacity at 5°F vs 47°FFirst Co.: Beats 12%SHARBO: Not rated
- Winter-long heating efficiencyHSPF2First Co.: Beats 1%SHARBO: Beats 3%
- Summer-long cooling efficiencySEER2First Co.: Beats 0%SHARBO: Beats 10%
- Hot-day cooling efficiencyEER2First Co.: Beats 12%SHARBO: Beats 11%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- First Co.
- 0%
- SHARBO
- 0%
Xcel CC
- First Co.
- 0%
- SHARBO
- 0%
CEE Advanced
- First Co.
- 0%
- SHARBO
- 0%
ENERGY STAR CC
- First Co.
- 0%
- SHARBO
- 0%
Top cold-climate picks, ducted 2.5–3 tons
Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.
Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
First Co.
None of First Co.’s ducted, 2.5–3 tons models qualifies.
SHARBO
No ducted, 2.5–3 tons model from SHARBO.
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
Open the advanced view