2026 U.S. Home Systems & Repair Cost Calculators
Every calculator on US Cost Index combines physical engineering formulas (Manual J thermal loads, USGS groundwater ΔT, roof pitch secants, EPA radon zones) with May 2025/2026 U.S. Bureau of Labor Statistics (BLS) trade wages across all 50 states.
HVAC, Mechanical & Plumbing
4 EstimatorsHVAC Replacement Cost Calculator
ACCA Manual J BTU/tonnage sizing, SEER2 A2L refrigerant equipment tiers, ductwork modification, and IRS Section 25C tax credits.
Heat Pump & Mini-Split Cost Calculator
Cold-climate Hyper-Heat (-15°F) vs standard inverter heat pumps, 1 to 5 ductless mini-split zones, dual-fuel balance point, and $2,000 IRA credit.
Water Heater Replacement Cost Calculator
Tankless GPM & USGS groundwater ΔT temperature-rise sizing, hybrid heat pump water heaters, gas line upsizing, and expansion tanks.
Septic Tank & Leach Field Cost Calculator
150 GPD/bedroom tank sizing (1,000–2,000 gal), soil percolation systems (Conventional Gravity, Chamber, Aerobic ATU, Engineered Sand Mound).
Roofing, Windows & Exterior Envelope
4 EstimatorsRoof Replacement Cost Calculator
Trigonometric roof pitch multipliers (3/12 to 12/12), hip/valley waste factors, Architectural Shingles vs 24-Gauge Standing Seam Metal, and OSB decking.
Window Replacement Cost Calculator
1 to 30 windows with volume discounts, Vinyl vs Fiberglass vs Wood-Clad frames, Low-E Argon vs Triple-Pane, Pocket vs Full-Frame stud tear-out.
Siding Replacement Cost Calculator
Exterior wall square footage & gable waste, .046" Vinyl, Insulated Vinyl, James Hardie ColorPlus Fiber Cement, and LP SmartSide.
Seamless Gutter & Leaf Guard Calculator
5-inch and 6-inch .032" K-style seamless aluminum, Galvalume steel, 16-oz copper, 3"×4" downspouts, and 316 stainless steel micro-mesh guards.
Foundation, Geotechnical & Environmental
2 EstimatorsFoundation Crack & Piering Cost Calculator
Hydraulic steel push piers, torque-driven helical piles, bidirectional carbon fiber bowed-wall straps, polyurethane slab jacking, and PE engineer reports.
Radon Mitigation System Cost Calculator
State EPA Radon Zone pCi/L averages, Active Sub-Slab Depressurization (ASD), dirt crawlspace 12-mil vapor barriers, and 24/7 fan power cost.
2026 Multi-Trade Contractor Billing Rates by State ($/Hr)
Fully burdened residential contractor hourly billing rates (including base journey-level wage, FICA, Workers' Compensation, general liability insurance, service van overhead, and contractor margin) used across our 10 calculators:
| State | HVAC (49-9021) | Plumber (47-2152) | Roofer (47-2181) | Carpenter (47-2031) | Groundwater °F | EPA Radon Avg |
|---|---|---|---|---|---|---|
| Alabama (AL) | $88/hr | $95/hr | $76/hr | $80/hr | 65°F | 2.4 pCi/L (Z2) |
| Alaska (AK) | $140/hr | $154/hr | $122/hr | $130/hr | 38°F | 2.5 pCi/L (Z2) |
| Arizona (AZ) | $105/hr | $114/hr | $90/hr | $96/hr | 67°F | 2.1 pCi/L (Z2) |
| Arkansas (AR) | $85/hr | $92/hr | $74/hr | $78/hr | 61°F | 2.3 pCi/L (Z2) |
| California (CA) | $155/hr | $168/hr | $135/hr | $142/hr | 60°F | 1.9 pCi/L (Z3) |
| Colorado (CO) | $120/hr | $132/hr | $104/hr | $110/hr | 49°F | 4.9 pCi/L (Z1) |
| Connecticut (CT) | $145/hr | $158/hr | $125/hr | $132/hr | 50°F | 3.5 pCi/L (Z2) |
| Delaware (DE) | $115/hr | $125/hr | $98/hr | $105/hr | 55°F | 2.8 pCi/L (Z2) |
| Florida (FL) | $98/hr | $106/hr | $88/hr | $90/hr | 72°F | 1.8 pCi/L (Z3) |
| Georgia (GA) | $95/hr | $104/hr | $82/hr | $87/hr | 63°F | 2.5 pCi/L (Z2) |
| Hawaii (HI) | $150/hr | $164/hr | $132/hr | $138/hr | 75°F | 1.1 pCi/L (Z3) |
| Idaho (ID) | $100/hr | $108/hr | $86/hr | $92/hr | 48°F | 4.4 pCi/L (Z1) |
| Illinois (IL) | $138/hr | $150/hr | $118/hr | $126/hr | 50°F | 4.2 pCi/L (Z1) |
| Indiana (IN) | $108/hr | $118/hr | $92/hr | $98/hr | 51°F | 4.3 pCi/L (Z1) |
| Iowa (IA) | $105/hr | $114/hr | $90/hr | $96/hr | 48°F | 6.1 pCi/L (Z1) |
| Kansas (KS) | $98/hr | $106/hr | $84/hr | $90/hr | 55°F | 4.2 pCi/L (Z1) |
| Kentucky (KY) | $92/hr | $100/hr | $80/hr | $84/hr | 56°F | 4.3 pCi/L (Z1) |
| Louisiana (LA) | $90/hr | $98/hr | $78/hr | $82/hr | 67°F | 1.3 pCi/L (Z3) |
| Maine (ME) | $118/hr | $128/hr | $102/hr | $108/hr | 44°F | 4.5 pCi/L (Z1) |
| Maryland (MD) | $130/hr | $142/hr | $112/hr | $118/hr | 55°F | 3.4 pCi/L (Z2) |
| Massachusetts (MA) | $150/hr | $164/hr | $130/hr | $138/hr | 49°F | 3.3 pCi/L (Z2) |
| Michigan (MI) | $122/hr | $134/hr | $105/hr | $112/hr | 47°F | 3.5 pCi/L (Z2) |
| Minnesota (MN) | $132/hr | $144/hr | $114/hr | $120/hr | 43°F | 4.6 pCi/L (Z1) |
| Mississippi (MS) | $82/hr | $90/hr | $72/hr | $76/hr | 66°F | 1.5 pCi/L (Z3) |
| Missouri (MO) | $110/hr | $120/hr | $95/hr | $100/hr | 55°F | 3.6 pCi/L (Z2) |
| Montana (MT) | $105/hr | $114/hr | $90/hr | $96/hr | 44°F | 4.5 pCi/L (Z1) |
| National Average (US) | $115/hr | $125/hr | $99/hr | $105/hr | 55°F | 3.1 pCi/L (Z2) |
| Nebraska (NE) | $102/hr | $112/hr | $88/hr | $94/hr | 50°F | 4.8 pCi/L (Z1) |
| Nevada (NV) | $124/hr | $135/hr | $106/hr | $114/hr | 59°F | 3.1 pCi/L (Z2) |
| New Hampshire (NH) | $130/hr | $142/hr | $112/hr | $118/hr | 45°F | 4.4 pCi/L (Z1) |
| New Jersey (NJ) | $145/hr | $158/hr | $125/hr | $132/hr | 53°F | 3.2 pCi/L (Z2) |
| New Mexico (NM) | $98/hr | $106/hr | $84/hr | $90/hr | 56°F | 3.2 pCi/L (Z2) |
| New York (NY) | $155/hr | $168/hr | $134/hr | $142/hr | 49°F | 3.4 pCi/L (Z2) |
| North Carolina (NC) | $96/hr | $105/hr | $82/hr | $88/hr | 60°F | 2.9 pCi/L (Z2) |
| North Dakota (ND) | $110/hr | $120/hr | $95/hr | $100/hr | 41°F | 5.3 pCi/L (Z1) |
| Ohio (OH) | $112/hr | $122/hr | $96/hr | $102/hr | 51°F | 4.8 pCi/L (Z1) |
| Oklahoma (OK) | $92/hr | $100/hr | $80/hr | $84/hr | 60°F | 2.4 pCi/L (Z2) |
| Oregon (OR) | $130/hr | $142/hr | $112/hr | $118/hr | 52°F | 2.6 pCi/L (Z2) |
| Pennsylvania (PA) | $125/hr | $136/hr | $108/hr | $114/hr | 51°F | 5.6 pCi/L (Z1) |
| Rhode Island (RI) | $140/hr | $152/hr | $120/hr | $128/hr | 50°F | 3.2 pCi/L (Z2) |
| South Carolina (SC) | $94/hr | $102/hr | $80/hr | $86/hr | 63°F | 1.9 pCi/L (Z3) |
| South Dakota (SD) | $100/hr | $108/hr | $86/hr | $92/hr | 45°F | 4.7 pCi/L (Z1) |
| Tennessee (TN) | $94/hr | $102/hr | $80/hr | $86/hr | 58°F | 3.5 pCi/L (Z2) |
| Texas (TX) | $98/hr | $106/hr | $84/hr | $90/hr | 66°F | 1.6 pCi/L (Z3) |
| Utah (UT) | $112/hr | $122/hr | $96/hr | $102/hr | 51°F | 3.8 pCi/L (Z2) |
| Vermont (VT) | $122/hr | $134/hr | $105/hr | $112/hr | 44°F | 3.1 pCi/L (Z2) |
| Virginia (VA) | $118/hr | $128/hr | $102/hr | $108/hr | 56°F | 3.3 pCi/L (Z2) |
| Washington (WA) | $145/hr | $158/hr | $125/hr | $132/hr | 50°F | 2.7 pCi/L (Z2) |
| West Virginia (WV) | $95/hr | $104/hr | $82/hr | $87/hr | 53°F | 4.2 pCi/L (Z1) |
| Wisconsin (WI) | $128/hr | $140/hr | $110/hr | $116/hr | 45°F | 4.4 pCi/L (Z1) |
| Wyoming (WY) | $108/hr | $118/hr | $92/hr | $98/hr | 44°F | 4.3 pCi/L (Z1) |