Mitsubishi 1-Zone to 5-Zone Mini-Split – Limited Offer!
Exclusive Summer Early Bird Offer!


1-Zones System
Perfect for targeted comfort, a single-zone mini split is ideal for spaces like garages, 3 & 4-season porches, she sheds, or even busy kitchens that need extra cooling—giving you efficient, room-by-room control where it matters most.





A 2-zone system is ideal for multi-room coverage, replacing outdated heating and cooling setups:
- 1st & 2nd Floor Combo
A seamless alternative to window units for better comfort & efficiency - Master Bedroom Suite & Kitchen
Keep the bedroom cool at night and the kitchen comfortable while cooking - Large Open Floor Plans
Provides even heating & cooling in spacious areas - Opposite Side Placement
Great for covering two distant rooms in a home
Everything needed for a professional, hassle-free installation:
- Electrical Work by a Licensed Master Electrician
- Mechanical & Electrical Permits – We handle the paperwork
- Line Set & Protective Beauty Covers for a clean, finished look
- Mounting Options – Stand, Pad, or Custom Wood Frame
- Remote Controllers for each indoor unit
- 1-Year Craftsmanship Warranty for peace of mind
- Fast Installation – 1 Day!
- 90/360 Day Limited Labor Warranty
If anything doesn’t feel right, call us. No worries, no hassle. - 100% Money-Back Guarantee
We stand behind our work. If you’re not satisfied, we’ll make it right. - 12 Year Manufacturer’s Warranty
Complete System Coverage - Extended Labor Warranty
Available for Additional Fee
Q: What happens after I claim this offer?
A: Our customer service representative will contact you to schedule a Comfort Consultant visit. During this visit, we will:
- Confirm the details of your selected installation option.
- Answer any questions you have about Mass Save financing and rebates.
- Explain the next steps to get your installation completed.
Q: How do I qualify for the Mass Save $10,000 Whole Home Rebate?
A: SumZero is a certified Mass Save Heat Pump Installer Partner, allowing us to offer rebates to all eligible customers. To qualify, you must have had an energy audit within the past two years and a valid Heat Loan Intake Form.
If you haven’t completed these steps before our meeting, don’t worry—we’ll guide you through the entire Mass Save process to ensure you receive all available rebates. SumZero also provides instant rebates for customers who have already completed weatherization projects.
Q: Does the Mass Save 0% Interest Loan cover electrical work?
A: Yes! Mass Save covers up to $5,000 for essential electrical work required for heat pump installation. This may include wiring the heat pump to the electrical panel (included in the price) and, if needed, installing a sub-panel or replacing the main panel. However, panel replacements beyond the covered amount may require additional costs.
Q: Do you offer maintenance plans after installation?
A: Yes! We offer a system inspection plan called the SumZero Comfort Club, available at $99 per system per year. This plan includes:
- A visual inspection of the entire system.
- Drain check and cleaning to prevent blockages.
- Wiring inspection for safety and efficiency.
- Condensing unit wash to maintain system performance.
- Regular maintenance ensures your system runs efficiently and helps prevent unexpected breakdowns.
2-Zones System
Great combo for 1st & 2nd Floor replacing window units, Master Bedroom Suite and Kitchen, Large Floor Plans Placement on the opposite sides etc.



This is an extremely efficient heating and cooling option for a medium-sized room up to 550 sq ft.


A 2-zone system is ideal for multi-room coverage, replacing outdated heating and cooling setups:
- 1st & 2nd Floor Combo
A seamless alternative to window units for better comfort & efficiency - Master Bedroom Suite & Kitchen
Keep the bedroom cool at night and the kitchen comfortable while cooking - Large Open Floor Plans
Provides even heating & cooling in spacious areas - Opposite Side Placement
Great for covering two distant rooms in a home
Everything needed for a professional, hassle-free installation:
- Electrical Work by a Licensed Master Electrician
- Mechanical & Electrical Permits – We handle the paperwork
- Line Set & Protective Beauty Covers for a clean, finished look
- Mounting Options – Stand, Pad, or Custom Wood Frame
- Remote Controllers for each indoor unit
- 1-Year Craftsmanship Warranty for peace of mind
- Fast Installation – 1 Day!
- 90/360 Day Limited Labor Warranty
If anything doesn’t feel right, call us. No worries, no hassle. - 100% Money-Back Guarantee
We stand behind our work. If you’re not satisfied, we’ll make it right. - 12 Year Manufacturer’s Warranty
Complete System Coverage - Extended Labor Warranty
Available for Additional Fee
Q: What happens after I claim this offer?
A: Our customer service representative will contact you to schedule a Comfort Consultant visit. During this visit, we will:
- Confirm the details of your selected installation option.
- Answer any questions you have about Mass Save financing and rebates.
- Explain the next steps to get your installation completed.
Q: How do I qualify for the Mass Save $10,000 Whole Home Rebate?
A: SumZero is a certified Mass Save Heat Pump Installer Partner, allowing us to offer rebates to all eligible customers. To qualify, you must have had an energy audit within the past two years and a valid Heat Loan Intake Form.
If you haven’t completed these steps before our meeting, don’t worry—we’ll guide you through the entire Mass Save process to ensure you receive all available rebates. SumZero also provides instant rebates for customers who have already completed weatherization projects.
Q: Does the Mass Save 0% Interest Loan cover electrical work?
A: Yes! Mass Save covers up to $5,000 for essential electrical work required for heat pump installation. This may include wiring the heat pump to the electrical panel (included in the price) and, if needed, installing a sub-panel or replacing the main panel. However, panel replacements beyond the covered amount may require additional costs.
Q: Do you offer maintenance plans after installation?
A: Yes! We offer a system inspection plan called the SumZero Comfort Club, available at $99 per system per year. This plan includes:
- A visual inspection of the entire system.
- Drain check and cleaning to prevent blockages.
- Wiring inspection for safety and efficiency.
- Condensing unit wash to maintain system performance.
- Regular maintenance ensures your system runs efficiently and helps prevent unexpected breakdowns.
3-Zones System
Most Sold combination in US, great for cottage homes, condos, apartments, smaller 2-3 beds homes, it can replace heating system fully in some cases



This is an extremely efficient heating and cooling option for a medium-sized room up to 550 sq ft.


A versatile & efficient solution for multi-room comfort, making it one of the most popular setups in the U.S.
- Cottage Homes & Condos
Provides independent heating & cooling for different areas - Apartments & 2-3 Bedroom Homes
Perfect for balancing comfort across multiple rooms - Full Heating System Replacement
In some cases, this setup can fully replace traditional heating systems - Great for Zoned Control
Keeps bedrooms, living areas, and workspaces at the perfect temperature
Everything needed for a professional, hassle-free installation:
- Electrical Work by a Licensed Master Electrician
- Mechanical & Electrical Permits – We handle the paperwork
- Line Set & Protective Beauty Covers for a clean, finished look
- Mounting Options – Stand, Pad, or Custom Wood Frame
- Remote Controllers for each indoor unit
- 1-Year Craftsmanship Warranty for peace of mind
- Fast Installation – 1 to 2 Days!
- 90/360 Day Limited Labor Warranty
If anything doesn’t feel right, call us. No worries, no hassle. - 100% Money-Back Guarantee
We stand behind our work. If you’re not satisfied, we’ll make it right. - 12 Year Manufacturer’s Warranty
Complete System Coverage - Extended Labor Warranty
Available for Additional Fee
Q: What happens after I claim this offer?
A: Our customer service representative will contact you to schedule a Comfort Consultant visit. During this visit, we will:
- Confirm the details of your selected installation option.
- Answer any questions you have about Mass Save financing and rebates.
- Explain the next steps to get your installation completed.
Q: How do I qualify for the Mass Save $10,000 Whole Home Rebate?
A: SumZero is a certified Mass Save Heat Pump Installer Partner, allowing us to offer rebates to all eligible customers. To qualify, you must have had an energy audit within the past two years and a valid Heat Loan Intake Form.
If you haven’t completed these steps before our meeting, don’t worry—we’ll guide you through the entire Mass Save process to ensure you receive all available rebates. SumZero also provides instant rebates for customers who have already completed weatherization projects.
Q: Does the Mass Save 0% Interest Loan cover electrical work?
A: Yes! Mass Save covers up to $5,000 for essential electrical work required for heat pump installation. This may include wiring the heat pump to the electrical panel (included in the price) and, if needed, installing a sub-panel or replacing the main panel. However, panel replacements beyond the covered amount may require additional costs.
Q: Do you offer maintenance plans after installation?
A: Yes! We offer a system inspection plan called the SumZero Comfort Club, available at $99 per system per year. This plan includes:
- A visual inspection of the entire system.
- Drain check and cleaning to prevent blockages.
- Wiring inspection for safety and efficiency.
- Condensing unit wash to maintain system performance.
- Regular maintenance ensures your system runs efficiently and helps prevent unexpected breakdowns.
4-Zones System
Whole home application for up 2000 sqft, it can replace heating system comfortably



This is an extremely efficient heating and cooling option for a medium-sized room up to 550 sq ft.


A true whole-home solution, ideal for replacing traditional heating and cooling systems in Massachusetts homes up to 2,000 sq. ft.
- New England Colonial Homes
Common in MA, this system ensures consistent comfort across multiple rooms - Cape Cod-Style Houses
Great for heating and cooling upstairs bedrooms & open living areas downstairs - Split-Level & Ranch Homes
Perfect for zoning different levels or wings of the home - Modern Townhouses & Duplexes
Eliminates the need for bulky central HVAC while offering efficiency - Whole-Home Heating Replacement
Can fully replace outdated oil, gas, or electric baseboard heating systems
Everything needed for a professional, hassle-free installation:
- Electrical Work by a Licensed Master Electrician
- Mechanical & Electrical Permits – We handle the paperwork
- Line Set & Protective Beauty Covers for a clean, finished look
- Mounting Options – Stand, Pad, or Custom Wood Frame
- Remote Controllers for each indoor unit
- Branch Box System – Efficiently manages refrigerant distribution
- 1-Year Craftsmanship Warranty for peace of mind
- Fast Installation – 2 to 3 Days!
- 90/360 Day Limited Labor Warranty
If anything doesn’t feel right, call us. No worries, no hassle. - 100% Money-Back Guarantee
We stand behind our work. If you’re not satisfied, we’ll make it right. - 12 Year Manufacturer’s Warranty
Complete System Coverage - Extended Labor Warranty
Available for Additional Fee
Q: What happens after I claim this offer?
A: Our customer service representative will contact you to schedule a Comfort Consultant visit. During this visit, we will:
- Confirm the details of your selected installation option.
- Answer any questions you have about Mass Save financing and rebates.
- Explain the next steps to get your installation completed.
Q: How do I qualify for the Mass Save $10,000 Whole Home Rebate?
A: SumZero is a certified Mass Save Heat Pump Installer Partner, allowing us to offer rebates to all eligible customers. To qualify, you must have had an energy audit within the past two years and a valid Heat Loan Intake Form.
If you haven’t completed these steps before our meeting, don’t worry—we’ll guide you through the entire Mass Save process to ensure you receive all available rebates. SumZero also provides instant rebates for customers who have already completed weatherization projects.
Q: Does the Mass Save 0% Interest Loan cover electrical work?
A: Yes! Mass Save covers up to $5,000 for essential electrical work required for heat pump installation. This may include wiring the heat pump to the electrical panel (included in the price) and, if needed, installing a sub-panel or replacing the main panel. However, panel replacements beyond the covered amount may require additional costs.
Q: Do you offer maintenance plans after installation?
A: Yes! We offer a system inspection plan called the SumZero Comfort Club, available at $99 per system per year. This plan includes:
- A visual inspection of the entire system.
- Drain check and cleaning to prevent blockages.
- Wiring inspection for safety and efficiency.
- Condensing unit wash to maintain system performance.
- Regular maintenance ensures your system runs efficiently and helps prevent unexpected breakdowns.
5-Zones System
The Ultimate Heating & Cooling Solution – Full-Home Coverage Made Easy. Application for up 2600 sq. ft., it can replace heating system comfortably



This is an extremely efficient heating and cooling option for a medium-sized room up to 550 sq ft.


A full-home heating & cooling replacement solution for homes up to 2,600 sq. ft. in Massachusetts. This setup ensures year-round comfort while eliminating the need for traditional HVAC systems.
- Full Heating System Replacement
Perfect for replacing oil, gas, or electric baseboard heating with an efficient alternative - Large Colonial Homes
Zoned comfort across multiple floors, ensuring even temperatures throughout - Cape Cod-Style Houses
Ideal for cooling upstairs bedrooms while keeping downstairs cozy - Victorian & Historic Homes
A non-invasive solution for older homes without ductwork - Multi-Family Homes & Duplexes
Efficient climate control for multiple units or large family spaces - Expanded Ranch Homes & Contemporary Open Layouts
Covers separate zones without wasting energy
Everything needed for a seamless, professional installation:
- Electrical Work by a Licensed Master Electrician
- Mechanical & Electrical Permits – We handle the paperwork
- Line Set & Protective Beauty Covers for a clean, finished look
- Quicksling Stand, Pad and Custom Wood Frame
- Remote Controllers for each indoor unit
- Branch Box System – Efficient refrigerant management for optimal performance
- 1-Year Craftsmanship Warranty for peace of mind
- Fast Installation – 2 to 3 Days!
- 90/360 Day Limited Labor Warranty
If anything doesn’t feel right, call us. No worries, no hassle. - 100% Money-Back Guarantee
We stand behind our work. If you’re not satisfied, we’ll make it right. - 12 Year Manufacturer’s Warranty
Complete System Coverage - Extended Labor Warranty
Available for Additional Fee
Q: What happens after I claim this offer?
A: Our customer service representative will contact you to schedule a Comfort Consultant visit. During this visit, we will:
- Confirm the details of your selected installation option.
- Answer any questions you have about Mass Save financing and rebates.
- Explain the next steps to get your installation completed.
Q: How do I qualify for the Mass Save $10,000 Whole Home Rebate?
A: SumZero is a certified Mass Save Heat Pump Installer Partner, allowing us to offer rebates to all eligible customers. To qualify, you must have had an energy audit within the past two years and a valid Heat Loan Intake Form.
If you haven’t completed these steps before our meeting, don’t worry—we’ll guide you through the entire Mass Save process to ensure you receive all available rebates. SumZero also provides instant rebates for customers who have already completed weatherization projects.
Q: Does the Mass Save 0% Interest Loan cover electrical work?
A: Yes! Mass Save covers up to $5,000 for essential electrical work required for heat pump installation. This may include wiring the heat pump to the electrical panel (included in the price) and, if needed, installing a sub-panel or replacing the main panel. However, panel replacements beyond the covered amount may require additional costs.
Q: Do you offer maintenance plans after installation?
A: Yes! We offer a system inspection plan called the SumZero Comfort Club, available at $99 per system per year. This plan includes:
- A visual inspection of the entire system.
- Drain check and cleaning to prevent blockages.
- Wiring inspection for safety and efficiency.
- Condensing unit wash to maintain system performance.
- Regular maintenance ensures your system runs efficiently and helps prevent unexpected breakdowns.