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The Omega VSCS and VPCS Series are direct, OEM-fit replacement chassis designed for Johnson Controls (York) vertical-stack water-source heat pumps commonly installed in high-rise condominiums, apartments, and commercial buildings across the Greater Toronto Area.
These units are engineered for seamless plug-and-play installation — simply remove your old VSCS or VPCS chassis, and the Omega replacement slides directly into your existing cabinet using the same water, drain, and electrical connections.
No drywall, plumbing, or riser modifications are required, minimizing downtime and disruption for residents and property managers.
Each replacement chassis is factory-tested and pre-charged with R-410A refrigerant, providing a modern, energy-efficient, and environmentally friendly upgrade over older R-22 models. The system includes microprocessor-based controls, quiet operation, and advanced safety features for long-lasting, reliable performance.
Whether you’re upgrading a single suite or completing a stack-by-stack retrofit, 4Most Energy delivers professional installation, same-day quotes, and full warranty support across the Greater Toronto Area, including Downtown Toronto, North York, Mississauga, Vaughan, Markham, Richmond Hill, and Scarborough.
Whether you’re upgrading a single suite or completing a stack-by-stack retrofit, 4Most Energy delivers professional installation, same-day quotes, and full warranty support across the Greater Toronto Area, including Downtown Toronto, North York, Mississauga, Vaughan, Markham, Richmond Hill, and Scarborough.
| Omega Model | Replaces Existing Model | Nominal Size (Tons) |
|---|---|---|
| RPC-JC-VCS-030 | VSCS09 / VSCH09 | 3/4 |
| RPC-JC-VCS-040 | VSCS12 / VSCH12 | 1 |
| RPC-JC-VCS-050 | VSCS15 | 1 ¼ |
| RPC-JC-VC*-060 | VSCS18 / VSCH18 | 1 ½ |
| RPC-JC-VCS-080 | VSCS24 | 2 |
| RPC-JC-VCS-100 | VSCS30 | 2 ½ |
| RPC-JC-VCS-120 | VSCS36 | 3 |
* Available in a VCH variant to replace existing VSCH18 (R22) units.
| Omega Model | Replaces Existing Model | Nominal Size (Tons) |
|---|---|---|
| RPC-JC-VPCS-030 | VPCS09 | 3/4 |
| RPC-JC-VPCS-040 | VPCS12 | 1 |
| RPC-JC-VPCS-050 | VPCS15 | 1 ¼ |
| RPC-JC-VPCS-060 | VPCS18 | 1 ½ |
| RPC-JC-VPCS-080 | VPCS24 | 2 |
| RPC-JC-VPCS-100 | VPCS30 | 2 ½ |
| RPC-JC-VPCS-120 | VPCS36 | 3 |
Key Features
Direct “drop-in” replacement for Johnson Controls VPCS systems
Compatible with existing cabinets and risers (no renovation required)
Factory-charged with R-410A refrigerant
Quiet and energy-efficient design
Built-in high/low pressure protection, freeze stat, and overflow safety
1-year labour and 5-year compressor warranty (when installed by 4Most Energy)
Johnson Controls VSCS and VPCS vertical-stack water-source heat pumps are commonly found in high-rise condominiums, apartments, and commercial buildings across the Greater Toronto Area.
These systems use the building’s central water loop for heating and cooling, making them a preferred choice for energy-efficient, space-saving designs in urban developments.
The Omega replacement chassis is a direct, drop-in solution for Johnson Controls VSCS and VPCS units. It’s dimensionally identical to the original and connects to existing water, drain, and electrical connections — no drywall, riser, or plumbing modifications are required.
With modern R-410A refrigerant, quiet operation, and advanced microprocessor controls, it’s an ideal solution for occupied condo suites or commercial retrofits.
You can identify your existing unit by checking the nameplate inside your HVAC closet — look for labels reading “VSCS”, “VPCS”, or “Johnson Controls / York” followed by a model number.
If you’re unsure, simply send a clear photo of the label and cabinet to 4Most Energy via WhatsApp or through our online quote form, and our specialists will confirm the correct replacement chassis.
Simply take a photo of your existing heating and cooling systems’s model label (behind the return grille) and send it to 4Most Energy via:
WhatsApp: 📲 Chat with 4Most Energy
Online Form: Submit your details on our website
Our technicians will verify the model, confirm the compatible Omega HCA replacement, and provide a detailed quote, usually the same day.
Model verification and compatibility check.
Scheduling with property management for access and elevator coordination.
Swap-out: The old chassis is removed, the new Omega VSCS/VPCS chassis is installed into your existing cabinet.
Connection of water lines, drain, and electrical harness.
System testing and commissioning — we test both heating and cooling cycles for proper performance.
Most replacements are completed within 3–4 hours per suite with minimal disruption.
Every Omega Enerzone replacement installed by 4Most Energy includes:
1-Year Labour Warranty
5-Year Compressor Warranty
Parts coverage from Omega
Post-installation system check and testing
We also provide maintenance plans and priority service for condo corporations and property management companies.
We proudly provide Omega Enerzone heat pump replacements, installation, and maintenance across the Greater Toronto Area, including:
🏙️ Downtown Toronto, North York, Vaughan, Mississauga, Markham, Richmond Hill, Scarborough, Etobicoke, and surrounding communities.
We specialize in:
Condominium retrofit projects
High-rise and commercial building systems
Water-source heating and cooling solutions
✔ Specialized in Condo & High-Rise HVAC Systems
✔ TSSA-Certified installation technicians
✔ Local GTA expertise — we understand condo mechanical systems and by-laws
✔ Fast, clean installations with minimal disruption
✔ Full post-installation testing and warranty coverage



Off-season pricing means the best deals of the year on high-efficiency air conditioners.

Save Big on Lennox Furnaces — Limited Time!
Get a new high-efficiency Lennox furnace with no payments for up to 6 months. Premium comfort, top-tier performance.

Simple estimates, flexible payments, pro installation, and industry-leading warranties.


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