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Get a Free QuoteYour Gateway to 75% Off Insulation
The Efficiency Vermont energy audit is the required first step for accessing insulation and weatherization rebates. Start with a free phone assessment, or go straight to the comprehensive on-site audit that includes blower door testing, thermal imaging, and $195-$500 in free installations.
Updated February 2026
EVT offers a free phone assessment for quick guidance, or a comprehensive on-site audit for the full picture. The on-site audit is required for insulation rebates.
Guided phone assessment with an energy advisor. Review energy bills, discuss comfort issues, identify quick-win improvements, and determine if on-site audit is recommended.
Best for: Initial guidance, quick wins, or to determine if you need a full on-site audit. Start here if you are not sure what your home needs.
Full hands-on assessment by a certified energy auditor. Includes blower door test, thermal imaging, combustion safety testing, and detailed room-by-room analysis.
Best for: Homeowners serious about insulation, heat pump installation, or comprehensive weatherization. This audit unlocks the 75% insulation rebate.
A certified energy auditor inspects every major energy system in your home. Here is what they check and why it matters for Vermont's Zone 6 climate.
Attic, walls, basement, crawlspace
Thermal camera imaging identifies missing or thin insulation. Measure R-values in all accessible areas. VT Zone 6 requires R-60 attic, R-21+ walls.
Blower door test (calibrated fan)
Depressurize the home to measure total air leakage in CFM50. Identify specific leak locations with smoke pencils and thermal cameras. VT homes average 3,000-5,000 CFM50.
Furnace, boiler, heat pump, wood stove
Check efficiency ratings, age, and condition. Combustion safety test for gas/oil/propane systems. Evaluate heat pump candidacy for VT climate (Zone 6).
Water heater type, temperature, pipe insulation
Check temperature setting (120F recommended), pipe insulation, age, and efficiency. Evaluate HPWH candidacy and EVT rebate eligibility.
Condition, sealing, storm windows
Check for drafts, broken seals, missing weather stripping. Note window condition. Many older VT homes have single-pane windows.
LED upgrades, appliance efficiency
Replace incandescent/CFL bulbs with LEDs on the spot (free). Check appliance efficiency ratings and identify upgrade opportunities.
Programmable or smart thermostat
Install a free smart thermostat if eligible. Program existing thermostat for optimal settings for VT heating season.
Humidity, ventilation, moisture intrusion
Check for moisture problems, ice dams, condensation. Evaluate mechanical ventilation needs — critical after air sealing tight VT homes.
During the on-site audit, the technician installs these items on the spot at no additional cost. These alone often exceed the $100 audit copay.
All bulbs that need replacing — typically 15-30 bulbs per home
2-3 advanced power strips that cut phantom loads from electronics
WaterSense certified, 2.0 GPM or less. Same water pressure, less water.
Kitchen and bathroom faucets — reduces water flow without losing pressure
Pre-slit foam on exposed hot water pipes in basement/utility areas
Exterior door sealing where gaps are found during the assessment
One per household — select qualifying models (while supplies last)
Your audit report is a roadmap to lower energy bills and a more comfortable home. Here is the typical process from audit to completed work.
Detailed energy report within 5-7 business days with specific recommendations ranked by energy savings impact and cost-effectiveness.
Report includes specific dollar amounts for each recommended improvement — insulation, air sealing, equipment upgrades, with EVT rebate amounts.
EVT can connect you with participating contractors. Get 2-3 quotes for any recommended work.
If financing is needed, explore Heat Saver Loan (0% APR for VT Gas customers), GMP bill credit programs, or standard financing.
Insulation work typically starts within 2-4 weeks. Heat pump installations may take 4-8 weeks depending on equipment availability.
Insulation rebate is typically applied as instant discount at installation. Heat pump rebate processed within 6-10 weeks after documentation.
Annual weatherization campaign run by EVT, typically October-December. Not a separate program — it is a marketing and education campaign that drives awareness of existing EVT rebates.
EVT audits are funded by Vermont ratepayers, not federal tax credits. The $100 on-site audit copay is unaffected by the federal expiration and remains unchanged in 2026.
EVT offers two options: a FREE phone assessment (30-60 minutes) and a comprehensive on-site audit with a $100 copay (4-6 hours). The on-site audit includes free installations worth $195-$500 (LEDs, smart thermostat, showerheads, pipe insulation, power strips), so the net value far exceeds the copay. Income-eligible households pay $0 for both options.
The phone assessment is a 30-60 minute guided conversation with an EVT energy advisor who reviews your energy bills, discusses comfort issues, and provides recommendations. The on-site audit is a 4-6 hour comprehensive assessment where a certified auditor performs a blower door test, thermal imaging, combustion safety testing, and room-by-room analysis. The on-site audit is REQUIRED before you can receive insulation rebates.
Yes. The on-site energy audit is required before you can receive the 75% insulation rebate from EVT. The audit identifies what insulation measures your home needs and determines your specific rebate amounts. Without an audit on file, you cannot access insulation or air sealing rebates. Heat pump and HPWH rebates may not always require a full audit -- call 888-921-5990 to confirm.
During the on-site audit, the auditor installs free items on the spot: LED lightbulbs (15-30 bulbs, $50-$150 value), smart power strips ($25-$50), low-flow showerheads ($15-$30), faucet aerators ($5-$15), hot water pipe insulation ($15-$30), door weather stripping ($10-$25), and a smart thermostat ($75-$200, while supplies last). Total free value: $195-$500.
Button-Up Vermont is EVT's annual weatherization campaign, typically running October through December. It is NOT a separate program with different rebates -- it is a marketing and education campaign that drives awareness of existing EVT weatherization rebates. It offers free community workshops, online DIY guides, and contractor connections. The same EVT rebates apply year-round.
Your EVT energy audit report is valid for 1 year from the assessment date. You must complete any recommended work within that window to receive the rebate amounts specified in your report. If you do not complete work within a year, you would need a new audit.
Within 5-7 business days, you receive a detailed report with prioritized improvement recommendations, specific EVT rebate amounts for each measure, and contractor referrals. You then get 2-3 quotes from participating contractors, explore financing options (Heat Saver Loan at 0% APR for VT Gas customers, or standard financing), and schedule work. Insulation rebates are typically applied as instant discounts at installation.
Typical wait time for an on-site EVT audit is 2-6 weeks, with longer waits in fall and early spring (peak demand seasons). You can start with a free phone assessment immediately while waiting for an on-site appointment. Call 888-921-5990 or schedule online at efficiencyvermont.com.
This guide is provided by NuWatt Energy as an educational resource. All audit details, free installation values, and program requirements are sourced from efficiencyvermont.com. Call EVT at 888-921-5990 to schedule your assessment or verify current details.
Complete overview of all Efficiency Vermont programs.
75% off insulation after your audit. Up to $4,000.
Free audit, free insulation, $3,000/unit HP rebates.
$800/unit standard, $3,000/unit income-eligible.
Performance data at Zone 6 design temperatures.
Vermont is a major oil-heating state. Conversion guide.
Start with a free phone assessment or schedule your $100 on-site comprehensive audit. Income-eligible households pay nothing. The audit is your gateway to 75% off insulation.
Schedule online at efficiencyvermont.com or call 888-921-5990