Line-ups
Maratherm heat pumps
Rated products: 22 · model numbers: 30 · 14 split systems and 8 single-package units
Of the 124 brand groups with at least 15 rated products, Maratherm sits in the bottom five for median split-system HSPF2 and median split-system share kept at 5°F.
The line-up at 5°F, class by class
40% 70% 100% 130% 160% 1.5t 2t 2.5t 3t 3.5t 4t 5t pkg t = ton, split; pkg = single-package 40% 70% 100% 130% 160% 1.5t 2.5t 3.5t 5t t = ton; pkg Each dot is one rated product: listed 5°F heating capacity as a share of listed 47°F capacity, in its best match. Black bar: median of the whole size class. Products that lead their class Refrigerants Refrigerants listed: R-454B (17) and R-410A (5).
Every rated product, by size class 1- and 1.5-ton split systems 2 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S18…K…AAA 52% 8,600 8 15.5 Maratherm R5H5S19…K…AAA 44% 8,500 8 16
2-ton split systems 2 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S24…K…AAA 54% 11,900 8.5 16.5 Maratherm N5H8T24…K…AAA 46% 11,500 8.5 18.5
2.5-ton split systems 3 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S30…K…AAA 48% 13,900 8.1 15.2 Maratherm N4H5S30…K…AAA 46% 12,900 7.8 15.2 Maratherm R5H5S31…K…AAA 46% 14,000 8 16
3-ton split systems 2 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S36…K…AAA 54% 18,100 8 16 Maratherm N5H8T36…K…AAA 51% 19,600 8.5 17
3.5-ton split systems 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S42…K…AAA 49% 19,900 7.8 15.5
4-ton split systems 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H5S48…K…AAA 52% 24,400 7.8 15.5
5-ton split systems 3 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm N5H8T60…K…AAA 53% 31,800 8.5 17.5 Maratherm N5H8T48…K…AAA 53% 26,600 8.5 18 Maratherm N5H5S60…K…AAA 52% 28,600 7.8 15.2
Single-package heat pumps 8 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Maratherm PHB560000K000B 46% 25,800 7.7 15.5 Maratherm PHB536000K000B 41% 14,100 7.2 15.2 Maratherm PHB548000K000B 41% 18,200 7.2 15.2 Maratherm PHR548000K…K1 40% 18,200 7.2 15.5 Maratherm PHR560000K…K1 39% 22,200 7.5 15.2 Maratherm PHR536000K…K1 37% 12,700 7.2 15.5 Maratherm PHR524000K…K1 36% 8,600 7.2 15.2 Maratherm PHB524000K000B 36% 8,400 7.2 15.2
Certified as of October 27, 2026. Brand names that sell the same rated products are grouped; see how the ratings are read .