EnergyGuide labels and HVAC bills: compare the right numbers

Questions covered in this guide

Identify what the label is reporting

The FTC explains that EnergyGuide labels disclose annual energy cost or efficiency information using DOE test procedures. The type of number depends on the product. Start by writing the model and the metric shown on the label. Do not assume every HVAC label contains an annual dollar estimate or compare two different metrics as though they measure the same thing.

Keep labels and bill forecasts on separate lines

When an EnergyGuide label includes estimated operating cost, the FTC says that estimate uses typical use and a national energy price; actual use and local prices affect your cost. A contractor's forecast should therefore have its own explanation. Ask which utility rates, usage assumptions, equipment configuration and existing-system condition were used. Keep the dated calculation alongside the model-specific label instead of replacing one with the other.

Make a comparison sheet you can question

Create columns for installed price, label metric, projected annual cost and assumptions still unknown. Ask the bidder to fill in the source of each number. If a projected saving is offered without a baseline bill or usage model, mark that line unverified. Compare two acceptable systems using the same assumptions before interpreting the difference. Ask whether proposed backup heat or another fuel is included in the forecast rather than assuming every heating expense is captured.

Decide what the extra purchase price buys

List the reasons for any higher equipment price separately: capacity, comfort features, efficiency or installation changes. That helps you discuss the proposal even when a reliable annual savings forecast is unavailable. The HVAC calculator estimates a project budget; it does not calculate household energy consumption or a guaranteed payback. Keep actual future bills as observations, with weather and usage context, instead of treating a label as a promise.

Putting it into practice

The comparison sheet separates a tested metric, an installed purchase price and a modeled bill. Missing assumptions remain visible, so a sales savings figure cannot silently become a household payback guarantee.

Sources and supported claims

The FTC describes EnergyGuide disclosures as annual energy cost or efficiency information based on DOE test procedures.
Source ↗ · national · Checked 2026-10-12

The FTC says an EnergyGuide operating-cost estimate uses typical use and national energy prices; actual use and local prices affect cost.
Source ↗ · national · Checked 2026-10-12