Trusted Home Energy Audit for Menlo Park Homeowners
A home energy audit in Menlo Park typically costs $350-$850 depending on home size and test scope, and most audits are scheduled within 3-5 business days with same-day report delivery. Our crew arrives with a blower door, thermal camera, and duct blaster, then walks you through the findings before we leave.
We’ve sealed and insulated over 9,000 homes since 2016, and every one started with a written price before any work began. In Menlo Park, we regularly see the same pattern: beautiful remodels with premium finishes sitting on top of attics that leak conditioned air like a screen door. The 1920s bungalows in the Willows, the Eichlers in the Suburban Park area, the newer builds in Allied Arts - each has its own thermal fingerprint, and each audit turns up something the homeowner hadn’t noticed. Call (510) 876-4113 to schedule. A live person answers, 24/7.
What Our Home Energy Audit Service Includes
Blower Door Test
A blower-door test is a pressurization reading that shows, in one number, how much air your building envelope is losing. We mount a calibrated fan in an exterior door, depressurize the house to 50 Pascals, and measure the airflow in CFM50 - cubic feet per minute at that standard pressure. In Menlo Park, we often see pre-audit readings of 3,500-5,500 CFM50 in older homes near downtown, and 2,000-3,500 in newer construction that’s still leaking through top plates and can-light penetrations. After our air-sealing work, we run the test again and hand you both numbers. Under Haven Standard, you get the before-and-after documentation before we pack up.

Thermal Imaging Inspection
Our FLIR cameras pick up surface temperature differences as small as 0.1 degrees Fahrenheit, which reveals insulation gaps, moisture intrusion, and thermal bridging that you cannot see with the lights on. In Menlo Park’s climate - marine-influenced, with morning fog rolling in from the bay - we find a lot of moisture-compromised insulation in crawl spaces and rim joists, especially in homes near San Francisquito Creek. The thermal image becomes part of your Documented Photo Record, and we mark each anomaly with a photo reference number so you can match it to the written report.

Insulation Inspection
We measure existing insulation depth, check for compression and settling, identify rodent damage, and flag any insulation installed over unsealed air leaks - a setup that traps moisture and breeds mold. In Menlo Park attics, we regularly find original Rockwool or early fiberglass batts from the 1950s and 1960s, sometimes with new blown-in material layered on top without air sealing first. We note the condition, the R-value at current depth, and whether removal and replacement makes more sense than topping off. Every recommendation includes a written price before any work starts.

Duct Leakage Test
A duct-blaster test pressurizes your HVAC duct system to measure how much conditioned air is escaping into unconditioned spaces - attics, crawl spaces, wall cavities. California Title 24 allows up to 15% leakage in new construction; we routinely find 25-40% in Menlo Park homes built before 1990, especially in systems with flex duct running through hot attics. The test takes about 90 minutes, and we seal accessible leaks with mastic (not tape, which fails) as part of the audit if you choose to proceed. You walk away with a leakage percentage and a photo map of problem runs.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Brands We Service for Home Energy Audit

Our audits evaluate insulation and air-sealing systems built with materials from Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Icynene, Demilec, and GreenFiber - no proprietary lock-in means we assess what you actually have, not what we’d prefer to sell you. We’ve audited hundreds of homes with Rockwool batts in the walls and CertainTeed blown-in fiberglass in the attic, and we know how each material ages in Menlo Park’s specific humidity cycle. When we find Icynene open-cell spray foam installed in the early 2000s, we check for shrinkage at stud edges; with Demilec closed-cell applications, we verify the thickness against the labeled R-value per inch.
Whether your home was insulated with Knauf EcoBatt, GreenFiber cellulose from a 2010 retrofit, or a mix of materials from multiple contractors over decades, we read it all the same way: blower door first, thermal camera second, then a written scope with flat pricing. If you’re comparing estimates from another contractor, bring us their written quote - we offer a Free Second Opinion on any written estimate, and we’ll read it with you line by line.
Before
AfterSigns You Need Home Energy Audit Right Now
- Your upstairs rooms run 8-12 degrees hotter than downstairs in summer. This is not normal in a balanced system. In Menlo Park, we see this most often in two-story homes with under-insulated attic floors and leaky duct runs - the conditioned air never reaches the second floor, while solar gain bakes the roof deck above. An audit pinpoints whether the fix is duct sealing, insulation, or both, with a written price for each scenario.
- Your PG&E bill spikes every August and January despite steady thermostat settings. Seasonal spikes that outpace rate increases mean your envelope is working against your HVAC. We compare your usage patterns to blower-door and duct-leakage results, then show you the projected savings from each recommended upgrade. Most Menlo Park homeowners see 15-30% reduction in heating and cooling costs after air sealing and targeted insulation work.
- You feel drafts near outlets, baseboards, or can lights even when windows are closed. These are thermal bypasses - pathways where conditioned air escapes to the attic or walls. In Eichler homes and other flat-roof construction common in Menlo Park, the top plate connection between wall and roof deck is often completely unsealed. Our thermal camera makes these leaks visible, and our crew seals them with fire-rated foam and rigid blocking before any insulation goes in.
- Your attic insulation looks uneven, compressed, or has dark streaks. Dark streaks are dust filtration - air moving through the insulation because the ceiling below isn’t sealed. Compression reduces R-value; uneven coverage leaves thermal bridges. We document everything with photos, measure actual depth against the labeled R-value, and tell you whether removal, air sealing, or new material is the right sequence. We never blow insulation over an unsealed attic floor.
- You’re planning a remodel, HVAC replacement, or solar installation. These are the worst times to discover your envelope leaks. Solar contractors size systems based on estimated load; if your home loses 30% of conditioned air to the attic, you’ll oversize the array and overpay for decades. We audit before you sign with the solar company, so your load calculation reflects reality. Same for HVAC: a tight house needs smaller equipment, which costs less upfront and runs more efficiently.
Our Home Energy Audit Process - Step by Step

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Schedule and confirm. Call (510) 876-4113 or text us - a live person answers, 24/7. We confirm your address in Menlo Park, ask about home age, square footage, and any specific concerns, then email you a 2-hour arrival window. Under Haven Standard: Arrive on schedule, you get a named technician and a text when they are on the way.
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Exterior and interior walkthrough. Your technician walks the property with you, notes construction type, window age, HVAC equipment location, and any visible moisture staining or pest activity. In Menlo Park, we flag common issues like unsealed crawl-space vents, original single-pane windows in pre-war homes, and additions that created thermal boundaries in the wrong places.
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Blower door and diagnostic testing. We set up the blower door, run the depressurization test, then use the thermal camera and smoke pencil to locate leaks while the house is under pressure. Duct leakage testing follows if you have forced-air HVAC. The whole diagnostic takes 2-3 hours for a typical 2,000-square-foot home.
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Findings review and written scope. Before we pack up, we sit down with you (or call if you prefer) and walk through the photos, the blower-door numbers, and the prioritized recommendations. Every item has a flat price, a written warranty, and a clear description of what “done” looks like. No work starts without your written approval and a signed scope.
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Documentation delivery. Within 24 hours, you receive your complete Documented Photo Record: all thermal images, blower-door readings, duct-leakage percentages, and the written scope with pricing. If you proceed with work, this becomes the baseline; if you don’t, you have a third-party diagnostic to compare against any other contractor’s recommendations. Either way, you own the data.
How Much Does Home Energy Audit Cost in Menlo Park?
A standard home energy audit in Menlo Park runs $350-$550 for homes under 2,500 square feet, and $550-$850 for larger homes or audits that include duct-blaster testing and multi-zone thermal imaging. See how much Home Energy Audit costs for a full breakdown. The blower-door test alone, if that’s all you need for a specific compliance requirement, typically falls at the lower end of that range. Duct leakage testing adds $150-$250 because of the additional equipment and time.
Several factors move the price within these ranges. Homes built before 1950 with complex rooflines and multiple additions take longer to test thoroughly. Crawl-space access issues, active rodent infestations that require protective equipment, and homes with multiple HVAC zones all add time. If you need Title 24 compliance documentation for a solar permit or utility rebate program, we format the report to those specifications, which requires additional administrative work.
What you should not pay for: an audit that ends with a vague recommendation to “add more insulation” without blower-door numbers, or a contractor who won’t put the scope and price in writing before asking for a deposit. Under Haven Standard, our written price includes all testing, all documentation, and the findings review. No surprise fees, no upsell pressure. If another contractor has given you a written estimate, bring it to us - we offer a Free Second Opinion on any written estimate, and we’ll tell you whether their scope matches what your home actually needs.
Home Energy Audit Near Menlo Park - Our Service Area

We run audits throughout Menlo Park, from the Willows and Suburban Park to Allied Arts, Sharon Heights, and the Stanford campus perimeter. Typical drive time to East Palo Alto is 15 minutes, North Fair Oaks about 10 minutes. We also cover Atherton, Stanford, Redwood City, Palo Alto, Newark, Mountain View, Woodside, Los Altos Hills, and Los Altos. Most audits are scheduled within 3-5 business days, and emergency diagnostics for pre-purchase or pre-remodel timing can often be accommodated within 48 hours. Call (510) 876-4113 to check current availability.
Serving Menlo Park, CA - Our Local Coverage Area
We’re based in the Menlo Park area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Home Energy Audit in Menlo Park

A home energy audit is a diagnostic evaluation of your building envelope, insulation, and HVAC distribution system using specialized tools including a blower door, thermal camera, and duct blaster. The audit produces measurable data - air leakage in CFM50, duct leakage percentage, thermal images of insulation gaps - that pinpoints where your home loses conditioned air and what it costs you. You receive a written report with prioritized recommendations and flat pricing for any recommended work.
Most audits in Menlo Park take 2.5 to 4 hours from arrival to findings review, depending on home size and test scope. A 1,200-square-foot Eichler with a single HVAC zone might run 2 hours; a 4,000-square-foot home in Sharon Heights with three zones, a crawl space, and duct testing could take 4.5. We schedule a 2-hour arrival window and stay until you’ve seen the findings and received your written scope. Call (510) 876-4113 for an exact time estimate based on your home.
A standard audit runs $350-$550 for homes under 2,500 square feet, and $550-$850 for larger homes or those requiring duct-blaster testing and extended thermal imaging. The price includes all diagnostic work, the Documented Photo Record, and the written findings review. We do not charge separately for the report or for travel within our Menlo Park service area. Call (510) 876-4113 for a firm quote - estimates are free, and we put the price in writing before any work starts.
Yes. We’ve audited and upgraded hundreds of homes with CertainTeed fiberglass batts and blown-in systems, and Rockwool mineral wool in both batt and loose-fill applications. We know how these materials perform after 10, 20, or 40 years in Menlo Park’s climate, and we can match or transition to them if you’re adding to existing insulation. If you have Icynene or Demilec spray foam, we evaluate it for shrinkage, density, and moisture performance. Bring us any written estimate from another contractor for a Free Second Opinion.
We can often accommodate urgent timing for pre-purchase inspections, solar contractor deadlines, or remodel start dates within 48 hours. Our phones are answered by a live person 24/7, and we’ll tell you honestly whether we can meet your timeline or whether a standard 3-5 day schedule works. Emergency scheduling does not carry a surcharge; the price is the same. Call (510) 876-4113 to discuss your deadline.
The audit itself is a diagnostic service, so warranty applies to any subsequent work we perform based on its findings. All completed work carries our 365-Day Done Right Promise - if it’s not done right, we make it right - backed by a written scope and written warranty delivered before anyone starts. Haven Standard: Have it in writing. The audit documentation, including blower-door numbers and thermal images, is yours to keep regardless of whether you hire us for the recommended upgrades.
Close all windows and exterior doors at least 4 hours before we arrive, and avoid using fireplaces or wood stoves for 24 hours prior. Make sure we can access the attic hatch, crawl space, electrical panel, and all HVAC equipment. If you have recent PG&E bills, gather 12 months if possible - they help us correlate your actual usage to our diagnostic findings. Pets should be secured during the blower-door test, which creates a noticeable pressure change. We’ll text you when the technician is on the way so you can finalize any last-minute prep.
Schedule Your Home Energy Audit Service in Menlo Park Today
Call (510) 876-4113 now to schedule your home energy audit in Menlo Park. A live person answers 24/7, and we’ll confirm a 2-hour arrival window with a named technician. You’ll get a written price before any work starts, a Documented Photo Record when we’re done, and before-and-after blower-door numbers on any air-sealing work we perform. The first step is the audit; the next step is your choice, fully documented.
Written by Wes Okafor, Owner at Topside Attic Insulation Menlo Park, serving Menlo Park since 2016.