SIMCO₂E
The Simcoe is North America’s first commercially manufactured CO₂ heat pump water heater — a groundbreaking advancement in sustainable hot water technology. Purpose-built for electrification in cold climates, the Simcoe is engineered to meet up to 100% of the domestic hot water demand in large commercial facilities without the need for supplemental heat. Its modular design and broad ambient operating range ensure reliable performance, delivering water temperatures up to 175°F even in conditions as cold as -10°F.

At a Glance
- Up to 100% domestic hot water production
- Natural R744 refrigerant with a low GWP of 1
- Up to 175°F Leaving Water Temperature
- Down to -10°F outdoor air temperature
- Single unit capacities up to 610 MBH
- Modular configuration, up to 12 modules
- Variable capacity
- Single-pass piping
- Reciprocating compressor
- Small compact footprint

Sustainable Commercial Hot Water Heating
Ideal for new and retrofit domestic hot water and potable water systems in large scale commercial facilities such as multifamily condos and apartment complexes, hotels, gyms, education, healthcare, and hospitality.

Natural CO₂ Refrigerant
Utilizing natural CO₂ refrigerant (R744) with a low GWP of 1 and ODP of 0 provides the environmentally safest solution for the decarbonization of large-scale domestic hot water heating systems. A safe and environmentally friendly option due to its characteristics of being both non-toxic and non-flammable.

Cold Climate Performance
Transom’s Simcoe unit delivers a continuous supply of hot water for large commercial facilities — no matter the demand. With a high COP even in extreme cold conditions down to -10°F, it ensures unmatched efficiency and performance when it matters most.