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The Omega 816 Series are a direct replacement for ClimateMaster 816 units. The chassis is a direct drop-in for the existing ClimateMaster unit, allowing for a fast, simple and easy installation. Available in various electrical configurations and 2 water connection configurations based on replacement requirements.
The ClimateMaster 816 vertical-stack water-source heat pump was one of the most widely installed models in high-rise condominiums across the Greater Toronto Area. These systems provided dependable heating and cooling for years but are now approaching or beyond their service life.
Because the original 816 models use R-22 refrigerant and are no longer supported by the manufacturer, the best solution today is a direct-fit replacement chassis from modern OEM or aftermarket suppliers.
At 4Most Energy, we specialize in ClimateMaster 816 replacements for condos and commercial units in Downtown Toronto, North York, Mississauga, Vaughan, Markham, Scarborough, and Richmond Hill.
We install drop-in chassis replacements that match your existing cabinet and risers, providing a quick, quiet, and energy-efficient upgrade with no drywall or plumbing modifications.
| Omega Model |
Replaces ClimateMaster Model |
Nominal Size (Tons) |
|---|---|---|
| RPC-CM-816-030 | 816-10 | 3/4 |
| RPC-CM-816-040 | 816-15 | 1 |
| RPC-CM-816-060 | 816-20* | 1 ½ |
| RPC-CM-816-080 | 816-28 | 2 |
| RPC-CM-816-100 | 816-30 | 2 ½ |
| RPC-CM-816-120 | 816-36 | 3 |
* Original blower kit replacement may be required. Contact 4Most Energy in Toronto, Ontario, Canada.
 Most Toronto condos built between the late 1990s and early 2010s were equipped with ClimateMaster 816 vertical stack heat pumps — especially in buildings across Downtown Toronto, North York, Mississauga, Vaughan, and Markham.
You can confirm your model by checking:
Some versions were rebranded under Carrier or McQuay, but the model number still starts with 816- if it’s from this series.
Absolutely. We specialize in direct-fit replacements for the 816 series across the GTA. Our licensed TSSA-certified technicians remove the old chassis and install a new high-efficiency R-410A unit — typically within a few hours and without disturbing your suite finishes.
Most 816 models use R-22 refrigerant, which is now phased out in Canada. Once the compressor fails, repair costs can exceed replacement value. A new R-410A system improves efficiency by 30-40 %, operates more quietly, and ensures future serviceability.
Both are manufactured to match the form, fit, and function of the original 816 model.
Check the model tag on your existing ClimateMaster unit (e.g., 816-10, 816-15, 816-20).
Use this guide:
Omega Model | Replaces ClimateMaster Model | Nominal Size (Tons) |
RPC-CM-816-030 | 816-10 | Âľ ton |
RPC-CM-816-040 | 816-15 | 1 ton |
RPC-CM-816-060 | 816-20* | 1 ½ tons |
RPC-CM-816-080 | 816-28 | 2 tons |
RPC-CM-816-100 | 816-30 | 2 ½ tons |
RPC-CM-816-120 | 816-36 | 3 tons |
* Original blower kit replacement may be required. | Â | Â |
Call or WhatsApp 4Most Energy to speak directly with a Condo Heat Pump Expert, or upload a picture of your current Whalen unit through our online form.
We’ll identify your version, recommend the right Omega or Adirondack-Aire replacement, and provide a same-day quote with installation and a 1-year labour warranty.
