Hot Water List

Mits Air water heaters

2 basic models and 2 listed models.

Certified figures by basic model

Mits Air basic models and their certified figures
Basic modelTypeStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyModel numbers
US3-RSJ-15/190RDVN3-L3 Heat pump 473.7569430% US3-RSJ-15/190RDVN3-L3
US3-RSJ-15/300RDVN3-L3 Heat pump 744.0091450% US3-RSJ-15/300RDVN3-L3

A range means the models under one basic model differ. A dash means the model has no such figure.

Hot water out per unit of energy in, called UEF, reaches 4.00 among Mits Air models. A heat pump reaches this UEF by taking heat from the air around it. That UEF belongs to the US3-RSJ-15/300RDVN3-L3, a heat pump model. On this site, no model under this brand is ENERGY STAR certified.

This brand's whole range is one type: heat pump. This brand's highest first-hour rating is 91 gallons, on the US3-RSJ-15/300RDVN3-L3. In the test, a full tank reheats while those 91 gallons are drawn.

Among the 117 brands on this site, 73 list more model numbers than Mits Air. At least one of its basic model numbers appears under each of 5 other brands. Of those, Bosch lists the most: 2 of this brand's 2.

Basic models shared with other brands

Mits Air basic models also listed under another brand
BrandShared basic models
Bosch2
Kepler2
Midea2
Novair2
Senville1

Updated Oct 17, 2026 · Methodology