What should this actually cost?

Price ranges pulled from published industry cost data, not vibes. Every number is sourced so you can check it yourself before you sign a quote.

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Generator Installation Cost: Standby Prices by Size

Installing a whole house standby generator costs most homeowners $1,513 to $8,805, with an average near $5,158. The unit drives the price, but the transfer switch, concrete pad, gas line and permits add thousands more.

Low

$1,513

Typical

$5,158

High

$13,500

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Radon Mitigation Cost: System Prices and Fees A professional radon mitigation system costs most homeowners $800 to $1,500, with a national average near $1,200. Complex layouts and block wall suction push higher. Testing adds $150 to $800, and the fan costs $200 to $500 a year to run.

$800–$3,500

Water Heater Replacement Cost: Tank vs Tankless Most water heater replacements cost $882 to $1,826 with averages from $1,293 to $1,347. Standard tanks run $600 to $3,100 installed, while tankless units cost $1,400 to $5,600.

$882–$1,826

Tree Removal Cost: Pricing by Height and Tree Type Tree removal typically costs $400 to $1,200 (HomeGuide) or $400 to $1,100 (Fixr). Small trees run $150 to $500, while very tall trees can cost $2,500 or more.

$400–$1,200

Termite Treatment Cost: Liquid Barriers to Fumigation Termite treatment costs $225 to $2,500 for chemical or bait methods and $2,000 to $8,000 for whole-home tenting (HomeGuide). Smaller localized jobs average $598 (Bob Vila).

$225–$2,500

Gutter Replacement Cost: Pricing by Material and Size Gutter replacement costs $2,200 to $5,000 for an average home, or $12 to $25 per linear foot (HomeGuide). Smaller jobs run $622 to $1,677 (Bob Vila), and premium materials can reach $9,000.

$1,300–$5,000

Foundation Repair Cost: From Hairline Cracks to Underpinning Most foundation repairs cost $2,200 to $8,100, with averages near $5,000. A single crack costs $250 to $800, while settling, piering and major structural work can run $10,000 to $20,000 or more.

$2,225–$8,133

Furnace Replacement Cost: Gas, Electric, and Oil Compared Most furnace replacements cost $2,800 to $7,000 installed, with national averages near $4,800. Gas runs $3,800 to $10,000, electric $2,000 to $7,000 and oil $6,750 to $10,000 or more.

$2,800–$7,000

Basement Waterproofing Cost: Interior vs Exterior Pricing Basement waterproofing costs $2,300 to $7,575 for typical jobs (Bob Vila) and $6,000 to $18,000 for full interior or exterior systems (HomeGuide). Exterior excavation and major repairs cost the most.

$2,300–$18,000

Pest Control Cost: One Time Treatment and Recurring Plans A one-time pest control visit costs $100 to $600, and an annual plan costs $300 to $900. Monthly visits run $40 to $75 after a $150 to $300 first visit. Termites and fumigation cost the most.

$100–$900

HVAC Replacement Cost: Furnace, AC, or Both A full HVAC system costs $8,000 to $20,000 (Fixr). Replacing a single unit runs $5,540 to $10,980 (Today's Homeowner), and central air alone averages $8,750 with a $5,800 to $14,400 range.

$5,540–$20,000

Bathroom Remodel Cost: Cosmetic Refresh to Full Renovation Most bathroom remodels cost $6,650 to $17,650, with national averages of about $11,500 to $12,150. A minor update can cost $3,500 to $7,500, while a full primary bath can pass $25,000.

$6,650–$17,650

Kitchen Remodel Cost: Minor Refresh to Full Gut Renovation Most kitchen remodels cost $14,600 to $41,500, with national averages near $26,900 and $75 to $250 per square foot. A minor refresh can cost $4,000 to $20,000, while full layout changes can pass $65,000.

$14,600–$41,500

Garage Door Replacement Cost: What's Normal to Pay Most garage door replacements cost $754 to $2,400, with averages of $1,231 (HomeAdvisor) to $2,500 (Angi). Larger, insulated, custom and carriage house doors can reach $5,000 or more.

$754–$2,400

Water Softener Installation Cost: A Realistic Budget A typical salt-based water softener costs $1,200 to $3,800 installed, with national averages of $1,500 to $2,500. Dual-tank and reverse osmosis systems cost more, up to $5,000 and $10,000 or higher.

$1,200–$3,800

AC Repair Cost: Typical Fixes and What You Will Pay Most AC repairs cost between $150 and $650, and large repairs can reach $2,500 or more. Averages range from $360 (HomeGuide) to $369 (Bob Vila) and $417 (HomeAdvisor).

$75–$2,500

Window Replacement Cost: Per Window and Whole House Homeowners paid an average of $517 per installed window and $7,183 per project in a 2026 This Old House survey. HomeGuide reports $450 to $1,500 per single-hung window, and Bob Vila cites $180 to $409, so the source you read changes the answer.

$300–$1,500

Roof Replacement Cost: Price by Size and Material Most homeowners pay $5,700 to $16,000 for a new roof. National averages are $9,072 (Bob Vila), $9,609 (HomeAdvisor) and $10,800 (HomeGuide), or about $3 to $11 per square foot installed.

$5,700–$16,000

Asbestos Removal Cost: What Abatement Really Costs Professional asbestos abatement costs most homeowners $1,200 to $3,300, with a national average near $2,200. Interior work runs $5 to $20 per square foot, while roofs and siding cost far more. Testing adds $250 to $850 before any work starts.

$1,200–$3,300

Siding Replacement Cost: What to Pay by Material Most homeowners pay between $5,559 and $17,710 to replace siding, with an average of about $11,579. Installed cost runs roughly $4 to $13 per square foot depending on material, and removing the old siding adds $0.70 to $2.00 per square foot.

$5,500–$30,000

Electrical Panel Upgrade Cost: Prices by Amp Service Upgrading an electrical panel costs most homeowners $1,300 to $3,000 for standard 200 amp service, though national estimates span $518 to $4,500 depending on how much of the service entrance has to be replaced. Labor, not the panel itself, drives the price.

$518–$4,500

Retaining Wall Cost: Price by Size, Height, and Material Building a retaining wall costs $35 to $65 per square foot including labor, and most homeowners spend between $3,199 and $9,196 with a national average near $6,060. Height is the biggest cost driver, because walls above four feet need engineering and permits.

$3,199–$9,196

Drywall Repair Cost: Holes, Cracks, and Ceilings Professional drywall repair commonly costs $296 to $929, but the size of the patch, moisture damage, ceiling access, and finishing can change the final price.

$296–$1,550+

Septic Tank Pumping Cost: What You Pay by Tank Size Most homeowners pay between $295 and $610 to have a septic tank pumped, with a national average near $400. Price tracks tank size at roughly $0.30 to $0.70 per gallon, and a typical 1,000 gallon tank needs pumping every three to five years.

$250–$895

Chimney Repair Cost: Prices by Type of Damage Most chimney repairs cost between $160 and $750, averaging about $455. Small jobs such as a cap or sealing start near $100, tuckpointing runs $500 to $2,500, a new liner averages $2,500, and a full rebuild can reach $8,000 or more.

$160–$8,000

Fence Installation Cost: Price Per Foot by Material Most homeowners spend between $1,860 and $4,837 on a new fence, with an average of about $3,271. Price per linear foot installed ranges from roughly $5 for chain link up to $45 for composite, and a typical suburban lot needs about 150 linear feet.

$1,700–$8,000

Sump Pump Installation Cost: Replacement vs New Pit A sump pump replacement in an existing pit costs most homeowners $645 to $2,109, averaging about $1,358. A brand new installation that requires cutting a pit into the floor runs closer to $1,400 on average and up to $4,000 for a high end system.

$500–$4,000

Duct Cleaning Cost: What a Fair Price Looks Like Professional duct cleaning costs most homeowners between $270 and $1,000, with a typical single system home landing near $500. Pricing is usually set per vent, at $25 to $50 each, or by square footage, at roughly $0.15 to $0.40 per square foot.

$270–$1,000

Mold Remediation Cost: What Homeowners Pay in 2026 Professional mold remediation costs most homeowners between $1,200 and $3,800, with a national average near $2,400. Small contained jobs such as a bathroom start around $500, while whole house remediation after long term water damage can reach $10,000 to $30,000.

$500–$30,000