Yes, in the vast majority of cases you can claim both a purchase rebate and enroll in a demand-response program for the same thermostat. Utilities fund them from different budget lines and administer them as separate programs. Capturing both comes down to knowing the order of operations.

Why Stacking Works

Purchase rebates come from utility efficiency program budgets, typically sourced from state Public Utility Commission-approved energy efficiency goals. The rebate pays you for buying an energy-efficient device.

Demand-response credits come from grid reliability budgets. The utility pays you to reduce electricity demand during peak events, which is cheaper than building additional generation capacity.

These are different problems, different budgets, different programs. One thermostat can address both simultaneously.

The math: A $100 purchase rebate + $75/year demand-response credit × 5 years = $475 total from a $229 thermostat. Effective cost: -$246 (the thermostat pays for itself multiple times over).

The Order of Operations

Step 1: Buy the qualifying thermostat
Purchase an ENERGY STAR certified model (ecobee, Nest, Honeywell, Amazon Smart Thermostat, whichever is right for your system).

Step 2: Claim the purchase rebate
Submit the rebate application through your utility’s portal within the claim window (typically 30–90 days after purchase). Include the receipt showing date, model, and price.

Step 3: Enroll in demand-response
Separately enroll in your utility’s demand-response program through your thermostat’s app or utility portal. No connection to the rebate application. This step is independent.

Step 4: Collect ongoing credits
Demand-response credits accrue each season automatically. No further action needed.

The rebate and demand-response enrollment can happen in either order, or simultaneously, as long as both are completed within their respective program windows.

Where You Can’t Stack

There are occasional edge cases where stacking doesn’t apply:

Bundle programs: Some utilities offer “free thermostat + demand-response enrollment” as a single bundle: they provide the thermostat in exchange for demand-response enrollment. In this case, you’ve already received the thermostat value from the utility; there’s no separate purchase rebate to claim on top.

Program exclusions: A small number of programs explicitly exclude participants who received a rebate from certain other programs. Read your demand-response enrollment terms. This is rare but exists in some older program designs.

Multiple rebates for one thermostat: Claiming a rebate from two different utilities for the same thermostat (e.g., a gas utility rebate + electric utility rebate) depends on whether both utilities allow it. Some do; some don’t. Confirm with each utility.

Worked Examples

Massachusetts homeowner:
– ecobee Enhanced: $229 CAD / ~$170 USD
– Mass Save rebate: $100
– ConnectedSolutions enrollment: free
– Year 1 ConnectedSolutions credits: $150
– Net cost of thermostat after year 1: -$80 (the thermostat is free and then some)

Colorado Xcel customer:
– ecobee Enhanced: ~$170 USD
– Xcel rebate: $75
– AC Rewards enrollment: free
– Year 1 AC Rewards credits: $35
– Net cost of thermostat after year 1: $60

Ontario Canada homeowner:
– ecobee Enhanced: ~$229 CAD
– Enbridge Gas rebate: ~$100 CAD
– No major demand-response program for ecobee in Ontario currently
– Net cost: $129 CAD (equivalent to a budget thermostat, with premium features)

Qualifying for Both: The Checklist

  • [ ] ENERGY STAR certification (required for most rebates; also typical DR requirement)
  • [ ] Wi-Fi connectivity (required for all demand-response programs)
  • [ ] Utility account in your name (required for rebate claim)
  • [ ] Thermostat on utility’s qualifying list (check before purchasing)
  • [ ] Purchase receipt for rebate submission
  • [ ] Online account at your utility for demand-response enrollment

See Demand Response Payout Comparison: Which Utility Pays the Most? for program amounts by utility.
See Smart Thermostat Rebates in Canada by Province for Canadian rebate programs.
See US Smart Thermostat Rebates by State for US rebate programs.

Thermostat models eligible for both rebates and demand-response across major US and Canadian programs

Frequently Asked Questions

Can I claim a rebate AND demand-response credits for the same thermostat?
Yes, in most cases. Purchase rebates (efficiency program budget) and demand-response credits (grid reliability budget) come from separate funding and separate administration. Both can apply to the same device.

Do I need to enroll in demand-response before claiming a rebate?
No specific order is required. You can claim the rebate and enroll in demand-response simultaneously or in either sequence, as long as you’re within each program’s respective window.

What if my utility bundled the thermostat with demand-response enrollment?
If your utility provided the thermostat as part of demand-response enrollment, there’s no additional purchase rebate to claim: the thermostat provision was the rebate. Check the terms of your specific bundle.

How do I know if my utility allows stacking?
Read the demand-response enrollment terms for an exclusion clause. In the absence of an explicit exclusion, stacking is allowed. Call your utility if you can’t find the terms.

Can a Canadian homeowner stack thermostat rebates with demand-response credits?
In Quebec, Sinopé Zigbee thermostat owners can potentially claim Énergir rebates AND Hilo credits. In the US, Canadian thermostat models (ecobee, Mysa) qualify for many programs, and stacking applies the same way as for US residents.