Whole Home Energy Savings & ROI

Zone Air DIY Mini Splits vs Central HVAC

Comparison Parameters (US Average Home)

Home Size
2,000 sq ft
Cooling Hours
1,000 hrs/yr
Heating Hours
2,000 hrs/yr
Electricity Rate
$0.1747/kWh
Climate Zone
US Average

System Comparison

BEST VALUE

Zone Air Mini Splits

System Type 3x 12K BTU Units
Purchase Price $5,000
Install Cost DIY Included
Total Upfront $5,000
Rated Capacity 36,000 BTU/hr
Duct Loss 0 BTU/hr (0%)
Actual Delivered 36,000 BTU/hr
Cooling Efficiency 24 SEER2
Heating Efficiency 10 HSPF2
Cooling Power 1.5 kW
Heating Power 1.05 kW
Annual Energy Costs
Cooling (1,000 hrs) $262
Heating (2,000 hrs) $367
Total Annual Cost $629

Central HVAC

System Type Central Heat Pump
Purchase Price $5,500
Install Cost (Pro) $5,500
Total Upfront $11,000
Rated Capacity 48,000 BTU/hr
Duct Loss -12,000 BTU/hr (25%)
Actual Delivered 36,000 BTU/hr
Cooling Efficiency 14 SEER
Heating Efficiency 8.5 HSPF
Cooling Power 4.57 kW
Heating Power 2.21 kW
Annual Energy Costs
Cooling (1,000 hrs) $798
Heating (2,000 hrs) $772
Total Annual Cost $1,570

Your First Year Total Savings

$8,531
$6,000 Upfront + $1,031 Annual Savings + $1,500 Rebates
60% LOWER Energy Costs!
*Rebates could be as much as $3,500 depending on your location and utility provider

Cumulative Savings Over Time

*Includes $6,000 upfront savings + $1,500 rebates in Year 1 + ongoing energy & maintenance savings
Year 1
$8,531
Year 3
$10,593
Year 5
$12,655
Year 10
$17,810
10-Year Total Cost Comparison
$10,590
Zone Air
Mini Splits
(After Rebates)
$28,200
Central
HVAC
Understanding Your Upfront Savings
The $5,800 upfront savings comes from the difference in
purchase price + installation cost
Central HVAC
$11,000
($5,500 + $5,500)
-
Zone Air
$5,200
($5,000 + $200)
Upfront Savings =
$5,800
This upfront savings is already included in the total 10-year savings shown above

System Pricing Breakdown

Zone Air DIY Mini Splits

3x 12K BTU System $5,000
Maintenance (10 yrs) $600
Energy (10 yrs) $6,290
Subtotal $11,890
Est. Rebates -$1,500
Net 10-Year Cost $10,390

Central HVAC System

Equipment (4-ton) $5,500
Professional Install $5,500
Maintenance (10 yrs) $1,500
Energy (10 yrs) $15,700
Total 10-Year Cost $28,200
Available Incentives & Rebates
We've included $1,500 in our savings calculation, but you could receive much more:
Federal Tax Credit
Up to $2,000
State Rebates
$200-$1,000
Utility Rebates
$150-$500
Total Potential
Up to $3,500