Cost to Energy Audit and Weatherization in San Antonio, TX

$267–$7,120 in San Antonio

11% below the national average · 0.89x cost multiplier

Expect to pay $267–$7,120 for a energy audit and weatherization in San Antonio, about 11% below the national benchmark. The Southeast region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at San Antonio prices.

Cost Breakdown in San Antonio

Line Item	Low	Mid	High
Cost per audit/service	$134	$2492	$623
Materials	$45	$712	$3,560
Labor	$223	$1,068	$5,340
Permits	$0	$0	$267
Total	$267-11% vs. national avg	$1,780-11% vs. national avg	$9,167-11% vs. national avg

Budget

Professional energy audit only, blower door test, thermal imaging, written report

Mid-Range

Audit plus basic weatherization: air sealing, insulation top-off, smart thermostat

Premium

Whole-house weatherization: full air sealing, comprehensive insulation, HVAC tune-up, windows

Material Options

Material prices below are national averages; availability in San Antonio may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Professional Energy Audit (Blower Door + Thermal)	$150 - $700	Identifies exactly where your home loses energy, prioritizes repairs by ROI, required for most rebate programs	Does not fix anything by itself, requires follow-through on recommendations	Every homeowner as the first step before spending on weatherizationIdentifies exactly where your home loses energy, prioritizes repairs by ROI, required for most rebate programs
DIY Energy Audit (Limited)	$0 - $50	Free, identifies obvious issues (drafts, visible insulation gaps)	Cannot measure air leakage, misses hidden infiltration, not eligible for rebate programs	Rental properties where professional audit is not justified, basic awareness onlyFree, identifies obvious issues (drafts, visible insulation gaps)
Air Sealing (Attic and Basement)	$300 - $1,500	Highest ROI of any weatherization measure, 3-5 year payback, improves comfort year-round	Labor-intensive in tight spaces, not visible after completion	Almost every home - consistently the top audit recommendationHighest ROI of any weatherization measure, 3-5 year payback, improves comfort year-round
Attic Insulation	$800 - $3,500	Major heat loss reduction, qualifies for 30% IRA tax credit, often covered by utility rebates	DIY-accessible for blown-in but professional install is faster and cleaner	Homes with less than R-30 in the attic - nearly all pre-2000 homesMajor heat loss reduction, qualifies for 30% IRA tax credit, often covered by utility rebates
Weatherstripping and Door Sweeps	$50 - $400	Cheap, DIY-accessible, immediate comfort improvement, no permit needed	Minor energy savings compared to attic and air sealing work	Quick wins, visible drafts under doors and around windowsCheap, DIY-accessible, immediate comfort improvement, no permit needed

Other Projects in San Antonio

Full Kitchen Remodel

Central AC Installation

Full Bathroom Remodel

Back to national average for Energy Audit and Weatherization

San Antonio Estimate

Typical Range

$267–$7,120

vs. National Average

11% below national

Cost Multiplier

0.89x

Cost Per audit/service

$134–$623

Estimates apply San Antonio's 0.89x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →