Exterior cluster
Home Exterior and Systems Costs: Windows, Siding, Doors, HVAC
Envelope and systems replacements are the least glamorous projects and the ones that most affect comfort and energy bills. This hub collects the RenoCalc Hub guides on windows, siding, exterior doors and HVAC so you can budget the whole shell of the house, not one line at a time.
- Window and door pricing is per opening — size and frame material drive it.
- Siding is quoted per square (100 sq ft) including trim and wrap.
- HVAC pricing depends on tonnage and efficiency rating, not house price.
Guides in this cluster
Window Replacement Cost Calculator: 2026 Price per Window
Replacement windows cost $450-$1,500 per window installed in 2026, with whole-house projects averaging $8,000-$22,000. This guide gives you the real 2026 price per window by material — vinyl, fiberglass, wood-clad — plus what full-frame replacement really adds.
Read guideSiding Replacement Cost Calculator: 2026 US Price Guide
Siding replacement is one of the highest-ROI exterior projects of 2026, with fiber cement returning 88% at resale (Remodeling Magazine Cost vs. Value). This guide breaks down the real per-square-foot cost by material, with a free calculator that handles waste, tear-off, and labor in one shot.
Read guideExterior Door Replacement Cost in 2026: Front, Patio & French Door Prices
Replacing an exterior door costs $850–$3,500 installed in 2026. Fiberglass pre-hung units are the sweet spot for cost vs. lifespan — here's why.
Read guideHVAC Replacement Cost Calculator: 2026 AC, Furnace & Heat Pump Prices
A full HVAC replacement runs $6,500-$14,500 in 2026 for the average US home. This guide breaks down real 2026 pricing for AC, furnaces, heat pumps, and mini-splits — plus what SEER2, tonnage, and ductwork add to the bottom line.
Read guideGutter Installation Cost in 2026: Aluminum, Copper & Seamless Prices per Foot
New gutters cost $5–$27 per linear foot installed in 2026 depending on material and home height. Here's how to price your job and avoid overpaying.
Read guideCalculators for this topic
Frequently asked questions
How much does window replacement cost in 2026?
Most full-frame vinyl replacement windows run $650-$1,200 per opening installed, with wood, fiberglass and oversized units running higher.
How much does new siding cost?
Vinyl siding typically runs $6-$12 per square foot installed and fiber cement $10-$18, including tear-off, house wrap and trim.
When should HVAC be replaced instead of repaired?
Replace when the system is past 12-15 years and a repair costs more than about a third of a new unit, especially if it still uses phased-out refrigerant.