Enerwave heat pump efficiency: 14 outdoor models compared

Enerwave has 14 heat pump outdoor models certified with this refrigerant group, in 14 AHRI-certified combinations. Each model is compared with models of the same size and duct type, so the scores below do not depend on which sizes Enerwave makes. Enerwave has no QMID (IRS Qualified Manufacturer ID) on file, so it is not ranked against other manufacturers.

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ManufacturerData as of Oct 9, 2026updated Oct 10, 2026 · sources

Outdoor models: 14
AHRI certifications: 14
Efficiency index: 22%; Typical model vs same-size, same-type peers (14 models)
Meet CEE 2025: 0%; 0 models

How Enerwave compares with comparable models

For each rating: the share of same-size, same-type models that a typical model of this manufacturer beats (50% is typical), its rank, and the raw median for context. Raw medians are not comparable across manufacturers that make different sizes.

Enerwave against every ranked manufacturerPeer scores, 0–100 · grey ticks: each ranked manufacturer · shaded: the middle half of Enerwave’s own modelsEnerwave is strongest on HSPF2 (its typical model beats 36% of comparable models) and weakest on heating capacity at 5°F (10%).

Enerwave
Middle half of its models
Other ranked manufacturers

Source: AHRI Directory, NEEP · as of Oct 9, 2026

Average peer percentile of Enerwave’s models
Rating	Beats comparable models	Rank	Raw median
Efficiency index14 models scored	22%	Not ranked	—
COP at 5°F14 models scored	17%	Not ranked	1.71
Capacity retention at 5°F14 models scored	31%	Not ranked	72%
HSPF214 models scored	36%	Not ranked	9.2
SEER214 models scored	18%	Not ranked	13.9
EER214 models scored	15%	Not ranked	10.6
Heating capacity at 5°F14 models scored	10%	Not ranked	5,900 Btu/h

Standards met

Share of Enerwave’s models with at least one qualifying certification
Standard	Share	Models
CEE 2025 Tier 1 (Split ASHP)	0%	0
CEE 2026 Tier 1 (Split ASHP)	0%	0
CEE Advanced Tier (Split ASHP)	0%	0
Xcel Energy Colorado cold-climate ASHP (2025)	0%	0
DOE Cold Climate Heat Pump Challenge	0%	0
ENERGY STAR Cold Climate	0%	0

Sizes and duct types offered

Models per peer group, and how they score against the other models of that group.

Enerwave’s models inside each size and duct typeShape: every model of the group · blue: the middle half of this manufacturer’s models there, median dot, 10th–90th percentile line

Enerwave (median, middle 50%, 10th–90th)
All models of the group

Source: AHRI Directory · as of Oct 9, 2026

Share of comparable models beaten, per peer group
Size and duct type	Models	Index	COP@5°F	HSPF2	SEER2
Ducted, up to 1.5 tons	14	22%	17%	36%	18%

Every Enerwave model in the market

Enerwave’s 14 models with a known size and duct type, over the shape of the whole catalog.

Enerwave models by size and ratingColoured: Enerwave · grey shapes: all 14,508 models · lines: catalog medians by size

Enerwave models
Ducted median by size
Non-ducted median by size
Every model at each size (width = count)
Standard threshold

Dots: 14 enerwave models, each through its representative certification, in the colour of the rating shown. The grey shapes count all 14,508 models, half a ton at a time.

Show the data as a table

COP at 5°F by size and duct type (every model, by rated cooling capacity)
Duct type, size	Models	10th pct.	25th	Median	75th	90th
Ducted, 0.5 tons	826	1.64	1.71	1.75	1.85	2.24
Ducted, 1 ton	407	1.80	1.90	2.05	2.41	2.45
Ducted, 1.5 tons	992	1.75	1.86	2.00	2.17	2.40
Ducted, 2 tons	999	1.75	1.86	2.00	2.18	2.30
Ducted, 2.5 tons	1,040	1.70	1.80	2.00	2.10	2.36
Ducted, 3 tons	696	1.80	1.90	2.00	2.10	2.42
Ducted, 3.5 tons	864	1.70	1.80	2.00	2.10	2.46
Ducted, 4 tons	727	1.80	1.86	2.00	2.12	2.40
Ducted, 4.5 tons	690	1.70	1.80	1.90	2.10	2.20
Ducted, 5 tons	86	1.89	2.00	2.10	2.10	2.10
Non-ducted, 0.5 tons	1,186	1.75	1.80	1.90	2.00	2.22
Non-ducted, 1 ton	1,343	1.80	1.80	1.99	2.10	2.21
Non-ducted, 1.5 tons	1,261	1.80	1.80	2.00	2.10	2.31
Non-ducted, 2 tons	761	1.80	1.98	2.00	2.10	2.30
Non-ducted, 2.5 tons	403	1.80	1.85	2.00	2.00	2.10
Non-ducted, 3 tons	473	1.90	1.98	2.00	2.03	2.20
Non-ducted, 3.5 tons	280	2.00	2.00	2.00	2.05	2.10
Non-ducted, 4 tons	204	1.96	2.00	2.05	2.10	2.11
Non-ducted, 4.5 tons	78	1.90	1.91	1.95	2.01	2.01
Non-ducted, 5 tons	84	1.99	2.00	2.05	2.20	2.20

Source: AHRI Directory · as of Oct 9, 2026

Top Enerwave models

Its top five cold-climate picks and its top five all-around models across sizes (both scores compare each model with models of its own size and duct type, so sizes compare), then, on each single rating, the model that beats the largest share of comparable models.

Cold-climate picks

Top 3 Enerwave cold-climate picks across sizes. Qualifies when its capacity retention at 5°F (capacity at 5°F as a share of capacity at 47°F) is at least 70% and Capacity retention at 5°F, COP at 5°F, HSPF2 are all rated. Score = the equal-weight mean of its peer percentiles on Capacity retention at 5°F, COP at 5°F, HSPF2 (share of the other models in its peer group it beats, 0–100), all from one certified pairing: in each duct type a model is sold in, its qualifying pairing of that type with the best score; equal scores (one decimal) go to the higher heating capacity at 5°F.
# · Outdoor model	Size · type	Cap. 5/47	COP@5°F	HSPF2	Btu/h @5°F	SEER2	Meets	Combos	AHRI ref.	Compared with	Score
1VD3SD18EWEnerwave · VSAlso listed as VD3SD27EW	0.5 tons8,900 Btu/h · Ducted	73%	1.72	9.9	6,500	14.4	None	1	218418644	Ducted, up to 1.5 tons	43.8
2CS3SH06BEWEnerwave · CSAlso listed as CD3SD18EW, CD3MV18EW, CD3SD27EW, CD3MV27EW	0.5 tons7,700 Btu/h · Ducted	72%	1.64	9.2	6,200	13.9	None	1	218418631	Ducted, up to 1.5 tons	28.0
3W3SH06AEWEnerwave · WMAlso listed as W3SHE06BEW, W3SHE08BEW, V4SH06AEW, V4SH06BEW	0.5 tons7,400 Btu/h · Ducted	72%	1.71	7.1	5,300	13.7	None	1	218418625	Ducted, up to 1.5 tons	15.7

All-around best

Top 5 Enerwave models on the all-around score across sizes. Score = 50% heating, the mean of its peer percentiles on COP at 5°F, Capacity retention at 5°F, HSPF2, plus 50% cooling, the mean of its peer percentiles on SEER2 and EER2 (share of the other models in its peer group it beats, 0–100). All five ratings are required; there is no minimum heat kept at 5°F. In each duct type a model is sold in, it is scored on its pairing of that type with the best score; equal scores (one decimal) go to the higher cold-climate score, then the higher heating capacity at 5°F.
# · Outdoor model	Size · type	Cap. 5/47	COP@5°F	HSPF2	SEER2	EER2	Meets	Combos	AHRI ref.	Compared with	Score	Heating half	Cooling half	Cold-climate score
1W2SH06AEWEnerwave · WM	0.5 tons6,000 Btu/h · Ducted	52%	2.16	12.6	15.7	10.4	None	1	218418648	Ducted, up to 1.5 tons	46.5	62.2	30.9	Not a pick
2VD3SD18EWEnerwave · VSAlso listed as VD3SD27EW	0.5 tons8,900 Btu/h · Ducted	73%	1.72	9.9	14.4	11.0	None	1	218418644	Ducted, up to 1.5 tons	35.1	43.8	26.3	43.8
3W3PHEF8BEWEnerwave · WM	1 ton9,000 Btu/h · Ducted	62%	1.76	8.6	15.8	11.2	None	1	218418629	Ducted, up to 1.5 tons	33.7	25.4	42.0	Not a pick
4CS3SH06BEWEnerwave · CSAlso listed as CD3SD18EW, CD3MV18EW, CD3SD27EW, CD3MV27EW	0.5 tons7,700 Btu/h · Ducted	72%	1.64	9.2	13.9	10.6	None	1	218418631	Ducted, up to 1.5 tons	21.6	28.0	15.3	28.0
5W3SH06AEWEnerwave · WMAlso listed as W3SHE06BEW, W3SHE08BEW, V4SH06AEW, V4SH06BEW	0.5 tons7,400 Btu/h · Ducted	72%	1.71	7.1	13.7	9.2	None	1	218418625	Ducted, up to 1.5 tons	10.4	15.7	5.0	15.7

Best model on each rating

Enerwave’s model with the highest peer percentile on each rating, ranked by that one rating only
Rating	Model	Value	Compared with	Beats	AHRI ref.
COP at 5°F	W2SH06AEW	2.16	Ducted, up to 1.5 tons	79%	218418648
Capacity retention at 5°F	VD3SD18EWAlso listed as VD3SD27EW	73%	Ducted, up to 1.5 tons	44%	218418644
HSPF2	W2SH06AEW	12.6	Ducted, up to 1.5 tons	97%	218418648
SEER2	W3PHEF8BEW	15.8	Ducted, up to 1.5 tons	46%	218418629
EER2	W3PHEF8BEW	11.2	Ducted, up to 1.5 tons	31%	218418629
Heating capacity at 5°F	VD3SD18EWAlso listed as VD3SD27EW	6,500 Btu/h	Ducted, up to 1.5 tons	22%	218418644

All 14 Enerwave models in Explore

Enerwave size class by size class: cold-climate and all-around

Its best model on each board in every size and duct type it makes. Both scores are 0–100 against every model of that size class (the line on each bar is 50, the typical model there). Cold-climate picks must keep at least 70% of their heat at 5°F; the all-around score needs all five ratings and has no such bar.

Enerwave: best cold-climate pick and best all-around model per size and duct type, with how many of its models are on each board (top 5 and 5 per class are in the snapshot)
Size and duct type	Cold-climate pickCold-climate score, best model	All-around bestAll-around score, best model
Ducted, up to 1.5 tons	43.8(50 is the typical model of its size class)VD3SD18EWAlso listed as VD3SD27EW12 of 14 models qualify · AHRI 218418644	46.5(50 is the typical model of its size class)W2SH06AEW14 of 14 models have all five ratings · AHRI 218418648

All-around board, every manufacturer

Newest Enerwave certifications

By AHRI reference number; AHRI issues references in increasing order.

The 5 most recently certified Enerwave outdoor models
Outdoor model	Size · type	COP@5°F	Cap. 5/47	HSPF2	SEER2	Meets	Combos	AHRI ref.
W2SH06AEWEnerwave · WM	0.5 tons6,000 Btu/h · Ducted	2.16	52%	12.6	15.7	None	1	218418648
VD3SD27EWEnerwave · VS	0.5 tons8,900 Btu/h · Ducted	1.72	73%	9.9	14.4	None	1	218418646
VD3SD18EWEnerwave · VS	0.5 tons8,900 Btu/h · Ducted	1.72	73%	9.9	14.4	None	1	218418644
CD3MV27EWEnerwave · CD	0.5 tons7,700 Btu/h · Ducted	1.64	72%	9.2	13.9	None	1	218418643
CD3SD27EWEnerwave · CD	0.5 tons7,700 Btu/h · Ducted	1.64	72%	9.2	13.9	None	1	218418642

Shares hardware with

Manufacturers whose models are the same equipment under another badge. About OEM families

No shared hardware found for Enerwave in this group.

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Manufacturers of a similar size, side by side.

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Enerwave includes these brand names as listed in AHRI: Enerwave. Standards are checked against published thresholds; program rules beyond ratings are not checked.