2026 Ashburn (20147) Line-Item Benchmark Schedule Labor Index: 1.06x
Use this schedule when reviewing quotes from contractors in Ashburn, VA. Quotes exceeding these ranges by more than 18% typically contain dealer financing markups or unitemized overhead.
| 2026 HVAC / Heat Pump System (IECC Zone 4A (Mid-Atlantic Mixed-Humid)) | Gross Installed Cost | Federal + Dominion Energy / Appalachian Power Rebate | Net Homeowner Cost |
|---|---|---|---|
| 1.0-Ton 15.2 SEER2 Central AC + Gas Furnace Meets 2026 DOE regional efficiency mandate |
$8,863 | -$600 Utility Credit | $8,263 |
| 1.0-Ton 18 SEER2 Variable-Speed Inverter Heat Pump IRA Section 25C Tax Credit Eligible |
$10,458 | -$2,000 IRA + Local Utility Rebate | $7,608 |
Interactive 20147 Property Customizer Real-Time Math
Local Code, Rebate & Insurance Mandate Notes for ZIP 20147
Insurance & Wind/Hail Rule (Loudoun County): Northern and Central Virginia convective wind storms create high approval rates for architectural upgrades.
2026 Incentives & Utility Rebates: Virginia SREC Solar Market ($55/MWh) + Dominion Energy Heat Pump Upgrade Credits
Permitting Authority: All structural roofing, electrical panel, and mechanical replacements in 20147 must be permitted through City of Ashburn Building & Permitting Division (Loudoun County) (Design Wind Speed: 115 MPH).
Frequently Asked Questions — Ashburn, VA (20147)
How much does a new HVAC system cost in Ashburn, VA (20147)?
In Ashburn (20147), located in IECC Zone 4A (Mid-Atlantic Mixed-Humid), a code-compliant 1.0-ton SEER2 system costs $8,863 before incentives, or $6,863 net after federal efficiency tax credits.
What HVAC rebates are available for Dominion Energy / Appalachian Power customers in 20147?
Homeowners in 20147 qualify for: Virginia SREC Solar Market ($55/MWh) + Dominion Energy Heat Pump Upgrade Credits