Double-hung windows in Port St. Lucie, Florida

Is a Double-hung window right for a Port St. Lucie home?

Both sashes slide vertically and typically tilt inward for cleaning.

Where it fits:

• Traditional and historic home styles
• Rooms facing walkways, porches, or patios (no outward projection)
• Easy cleaning from inside on upper floors

What to weigh:

• More potential air-leakage paths than hinged styles at equal quality
• Half the opening ventilates at any one time

Double-hung windows and Port St. Lucie's climate

Port St. Lucie sits in the ENERGY STAR Southern zone (IECC zone 2A (hot, humid), St. Lucie County), where the priority is a low SHGC (≤ 0.23) to block solar heat.

Double-hung sashes seal against weatherstripping as they slide, so they have more potential air-leakage paths than hinged styles. In the Southern zone, prioritize a well-built unit and low-SHGC glass (≤ 0.23) to offset that.

New to these numbers? See our plain-English guide to U-factor and SHGC and the full double-hung guide.

What Double-hung windows cost in Port St. Lucie

Double-hung window replacement in Port St. Lucie runs $700–$3,190 installed. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand. Growth-market impact packages dominate pricing. Square newer openings can take efficient installs, but impact glass still costs more than inland non-impact. Itemize Product Approval, DP rating, permit, and wind-mitigation inspection. Florida declined IRA funding; federal 25C expired.

That's the national range shifted to Port St. Lucie's cost level using the BEA Regional Price Parity for Port St. Lucie, FL (100.2, U.S. = 100; 2024). How we estimate local costs →

For a breakdown by frame material and install type, see our full cost guide.

Installers serving Port St. Lucie

A sample of companies with locations in the Port St. Lucie market. See the full Port St. Lucie directory for all listings, our map, and featured-partner disclosures.

Company	Location	Request a quote
✓ Renewal by Andersen of Southeast FloridaTop PickPremier Partner ★★★★★★★★★★4.8 · 200,000+ reviews Doral, FL showroom · serving the Port St. Lucie metroFull-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick	Doral, FL	Get a quote →

✓ Top PickPremier Partner

Renewal by Andersen of Southeast Florida

★★★★★★★★★★4.8 · 200,000+ reviews

Doral, FL showroom · serving the Port St. Lucie metro

Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick

Get a quote →

Listings compiled from manufacturer dealer locators and public business records. Premier and Sponsored Partners pay for placement and are labeled as such; star ratings shown are reported by the partner, with the source and date beside them. See our advertising disclosure. Contacting a company shares your details with it (or a vetted local installer) so it can reach you about your project.

Are you a window company? Claim your listing to take quote requests from Port St. Lucie homeowners directly.

Rebates & incentives in Florida

The federal window tax credit (25C) ended for projects placed in service after December 31, 2025. If your windows were installed in 2025, you can still claim it on your 2025 return — but for new projects there is no federal window credit. State and utility programs are now the main source of window incentives.

Florida declined IRA Home Energy Rebate funding entirely — there is no state-run HOMES/HEAR program. Window incentives in Florida come from utilities, insurance premium credits for wind mitigation, and hurricane-hardening value rather than rebates. See our Port St. Lucie guide for the full program list.