Trusted Home Energy Audit for La Puente Homeowners
A Home Energy Audit - La Puente typically costs $250-$550 for a full assessment and takes 2-4 hours to complete. Most homeowners receive their written report with blower-door numbers and thermal images the same day, with priority scheduling available for homes showing clear signs of envelope failure.
We’ve been sealing and insulating homes under The Haven Standard since 2016, and we’ve completed more than 9,000 jobs across the San Gabriel Valley, including Hacienda Heights Home Energy Audit work. In La Puente specifically, we see the same pattern repeatedly: homes built between 1950 and 1985 with original insulation, minimal air sealing, and ductwork that leaks conditioned air into attics that regularly hit 140°F in August. The result is uneven temperatures, utility bills that climb every summer, and HVAC systems that cycle constantly without ever catching up. Our home energy audit identifies exactly where your home is losing energy and in what order to fix it. We answer calls live, 24/7, at (626) 509-3237, and we can usually schedule within 48 hours.
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 home to -50 Pascals, and measure the airflow in CFM50 - cubic feet per minute at that standard pressure. In La Puente, we regularly see pre-audit readings of 3,500-5,500 CFM50 in 1,200-1,800 square foot homes built before 1980. After proper air sealing, that same home typically drops to 1,800-2,800 CFM50. We publish both numbers on every applicable job so you can verify the performance change. You need this test if your home feels drafty, if rooms are more than 4°F different from each other, or if your HVAC runs continuously during heat waves. Topside Attic Insulation La Puente uses a Minneapolis Blower Door, calibrated annually, and we leave you with the raw data sheet plus our interpretation of what it means for your specific home.
Thermal Imaging Inspection
Thermal imaging, or infrared thermography, uses a FLIR camera to visualize surface temperature differences that indicate missing insulation, air leaks, or moisture intrusion. We scan every accessible wall, ceiling, and floor during the audit, paying special attention to top plates, kneewalls, and the junction between conditioned space and garage - all common failure points in La Puente’s ranch-style and split-level homes. The images are time-stamped and included in your documented photo record. You need thermal imaging if you’ve noticed cold spots in winter, hot spots in summer, or if you’ve had any roof leaks or plumbing repairs that might have compromised insulation. Our technicians are trained to distinguish between thermal bridging through framing, which is normal, and actual gaps or voids, which are not. We mark every anomaly on the images and cross-reference them with the blower-door data to prioritize repairs.
Insulation Inspection
An insulation inspection measures depth, density, and condition of existing material, identifies compression or settling, and checks for gaps, voids, or damage from rodents, water, or previous work. In La Puente, we find a lot of original fiberglass batts installed upside-down with the paper vapor barrier facing down into the attic, which traps moisture. We also see blown-in cellulose that has settled 30-50% below its labeled R-value, and attics where recessed can lights have been buried in insulation against code. Our inspection includes a density check - we core-sample where possible - and we note any areas where insulation blocks soffit vents and chokes attic ventilation. You need this inspection if your insulation is more than 15 years old, if you’ve had any roof work, or if you’re considering adding more material without knowing what’s there. We will never recommend adding insulation over an unsealed attic floor; air sealing comes first, always.
Duct Leakage Test
A duct leakage test pressurizes your HVAC duct system and measures how much air escapes to unconditioned spaces - typically the attic in La Puente homes. We seal the registers, connect a Duct Blaster fan to the air handler, and measure leakage at 25 Pascals, expressed as CFM25 or as a percentage of system airflow. California Title 24 allows up to 15% leakage for new construction; we regularly find existing homes at 25-40%. That means a quarter to nearly half of your conditioned air never reaches your living space. You need this test if some rooms never get comfortable, if your ducts run through the attic, or if your utility bills seem high for your home size. We mark every leak location with a flag, photograph it for your record, and provide a written scope for sealing or replacement. Duct sealing is almost always more cost-effective than upsizing your HVAC system.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service for Home Energy Audit
We’ve worked extensively with Owens Corning insulation systems, particularly their AttiCat blown-in fiberglass and ProCat loose-fill products, which we often recommend for La Puente attics where fire resistance and moisture management are priorities. We understand their density requirements and can verify that installed product meets spec, not just labeled R-value. We’ve also serviced hundreds of homes with Johns Manville batts and blown wool, including their Spider custom-fit fiberglass system; we know where that product performs well and where alternative approaches make more sense.
Our crews are equally experienced with Knauf EcoSeal and Jet Stream Ultra systems, and with Rockwool ComfortBatt and ComfortBoard in applications where acoustic damping and high-temperature tolerance matter, such as knee walls adjacent to hot attics or mechanical chases. We stock no proprietary product and have no exclusive arrangements with any manufacturer. Whether you have Owens Corning, Johns Manville, Knauf, Rockwool, or any other make currently in your home, we can assess its condition accurately and recommend next steps based on what we find, not on what we sell.
Signs You Need Home Energy Audit Right Now
- Your upstairs rooms are 6-10°F hotter than downstairs in summer. This is not normal in a properly sealed and insulated home. In La Puente, where many homes have unconditioned attics above second floors, this temperature split usually indicates missing insulation at kneewalls, leaky ducts in the attic, or both. The fix is specific and measurable, but you need the audit to know which problem dominates.
- Your electricity bill exceeds $300 in July or August despite reasonable thermostat settings. SCE rates in the San Gabriel Valley have climbed steadily, but a bill that high for a home under 2,000 square feet suggests your cooling system is working against major envelope losses. We’ve audited La Puente homes where duct leakage alone accounted for 30% of summer cooling costs.
- You feel drafts even with windows and doors closed. Air leaks through the building envelope - at top plates, electrical penetrations, plumbing stacks, and the attic access hatch - create pressure imbalances that pull outdoor air in at the bottom of the house and exhaust conditioned air at the top. A blower-door test quantifies this precisely so you’re not guessing where to caulk.
- Your HVAC system runs almost continuously but never reaches setpoint. This is often misdiagnosed as an undersized unit. Before you spend $8,000-$15,000 on new equipment, a $250-$550 energy audit can determine whether the real problem is that half your conditioned air is leaking into the attic.
- You’re considering solar panels or a new HVAC system. Both investments assume your home will use the energy they produce or deliver efficiently. Installing solar on a leaky home is like filling a bucket with holes. We recommend auditing first, reducing load, then right-sizing any new equipment. This sequence typically saves 20-40% on the total project cost.
Our Home Energy Audit Process - Step by Step
- 1
Schedule and confirm. Call (626) 509-3237 or text us. A live person answers, checks availability for La Puente and surrounding areas, and sends a confirmation with your technician’s name and a text when they’re en route. Under Haven Standard: Arrive on schedule, you get a named technician.
- 2
Pre-test interview and walkthrough. Your technician asks about specific comfort complaints, recent utility bills, any prior insulation or HVAC work, and whether you’ve noticed moisture, odors, or pest activity. We note ceiling stains, room temperature splits, and any areas you avoid using because they’re uncomfortable. This 10-15 minute conversation shapes what we prioritize during testing.
- 3
Blower-door test and thermal imaging. We set up the blower door, run the depressurization test, and record your home’s baseline CFM50. With the house under pressure, we use a smoke pencil and thermal camera to locate leaks - the pressure makes them visible. Every significant finding is photographed and GPS-tagged to your address in our system.
- 4
Insulation and duct inspection. We enter the attic and crawl space with headlamps, measuring tapes, and a moisture meter. We document insulation depth at multiple points, check for compression or voids, inspect duct connections with a focus on flex duct kinks and collapsed sections, and look for disconnected runs. We also verify attic ventilation is functional and not blocked by insulation.
- 5
Written report and scope review. Before we leave, we sit down with you and review the findings: your blower-door number, thermal images with our markings, insulation measurements, duct leakage percentage if tested, and a prioritized scope of work with a written price for each phase. No work starts without your written approval. You keep the report, the photos, and the numbers.
How Much Does Home Energy Audit Cost in La Puente?
A comprehensive home energy audit in La Puente typically runs $250-$550 depending on home size, accessibility, and which tests you need. A basic audit with blower-door test and thermal imaging for a single-story home under 1,500 square feet usually falls at the lower end, around $250-$350. Adding duct leakage testing pushes most jobs to $400-$550, particularly for two-story homes or properties with multiple HVAC zones where we test each system separately.
Several factors affect your specific price. Homes with sealed attics or limited access points take longer to inspect thoroughly. Multiple HVAC systems require additional duct testing time. If we need to move stored items to access attic hatches or crawl space entrances, that adds labor. We price this upfront, not as a surprise.
To avoid overpaying, be wary of “free” audits from companies that only sell one product - their assessment will always recommend that product. Also avoid auditors who won’t show you the raw blower-door number or who quote insulation by the square foot without measuring what you actually need. Our estimate includes the full test suite, the documented photo record, and the written scope with flat pricing for any recommended work. We also offer a Free Second Opinion on any written estimate from another contractor; bring us their scope and we’ll review it with you, line by line.
Call (626) 509-3237 for an exact quote for your home - estimates are free, and we can usually schedule within 48 hours.
Home Energy Audit Near La Puente - Our Service Area
We complete home energy audits throughout the San Gabriel Valley, with typical response times of same-day to 48 hours for La Puente, Hacienda Heights, West Covina, Baldwin Park, El Monte, Covina, and Whittier. For Azusa, Temple City, Rosemead, South Whittier, and Pomona, we usually schedule within 72 hours. Our technicians live in the area and understand the specific building stock: postwar ranch homes in Valinda, split-levels near Puente Hills, and the compact stucco tract homes north of the 10 Freeway where attic access is often through a closet ceiling. That local knowledge means we arrive prepared for what we’ll find, not guessing.
Serving La Puente, CA - Our Local Coverage Area
We’re based in the La Puente area and also offer West Covina Home Energy Audit services nearby. 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 La Puente
A home energy audit is a systematic assessment of how your building envelope, insulation, and HVAC systems perform together to keep conditioned air inside your living space. We use a blower-door test to measure air leakage, thermal imaging to find insulation gaps, and visual inspection of attics, crawl spaces, and ductwork to document exactly where your home is wasting energy. You receive a written report with photos, numbers, and a prioritized scope for improvements. Call (626) 509-3237 to schedule - estimates are free.
Most home energy audits in La Puente take 2-4 hours from arrival to final report review, depending on home size and which tests are performed. A single-story home with accessible attic and crawl space typically runs 2-2.5 hours; a two-story home with multiple HVAC zones and duct leakage testing usually takes 3.5-4 hours. We schedule enough time to answer your questions and review findings on site, not rush to the next appointment. Call (626) 509-3237 to book a slot that works for your schedule.
A full home energy audit in La Puente typically costs $250-$550, with most homeowners paying $300-$400 for the standard package including blower-door test, thermal imaging, and insulation inspection. Adding duct leakage testing for one or more HVAC systems increases the price toward the upper end. We provide a written price before any work starts, always, and the audit fee is credited toward any work you hire us to complete within 90 days. Call (626) 509-3237 for an exact quote - estimates are free.
Yes, we audit and service homes with Owens Corning insulation products regularly, including AttiCat blown-in fiberglass, ProCat loose-fill, and their batt products. We verify installed depth and density against manufacturer specifications and can identify whether existing product has degraded or been compromised by moisture or pests. Whether you have Owens Corning, Johns Manville, Knauf, Rockwool, or any other brand, we assess what you have and recommend what you actually need. Call (626) 509-3237 to schedule.
We answer calls live 24/7 and can usually schedule a home energy audit within 24-48 hours in La Puente and immediate surrounding areas. True emergencies - such as a home that cannot maintain safe temperatures for occupants with medical needs - get priority same-day scheduling. For standard scheduling, we offer morning and afternoon windows with a text notification when your technician is en route. Call (626) 509-3237 and we’ll find the next available slot.
Our 365-Day Done Right Promise applies to any work you hire us to perform following the audit: if it’s not done right, we make it right. The audit itself is a diagnostic service, and we guarantee the accuracy of our measurements - if another qualified auditor disputes our blower-door or duct leakage findings, we’ll retest at no charge. Under Haven Standard, you receive a written scope, written warranty, and documented photo record before any work begins. Call (626) 509-3237 to discuss what’s covered.
Close all windows and exterior doors at least 4 hours before we arrive, and avoid running exhaust fans or the clothes dryer during that period so we get an accurate baseline. Make attic and crawl space access points clear of stored items if possible, and have 12 months of utility bills available if you want us to correlate usage patterns with our findings. You don’t need to be home for the full audit, but we do need someone present for the initial walkthrough and final report review. Call (626) 509-3237 with any questions - we’re happy to walk you through it.
Schedule Your Home Energy Audit Service in La Puente Today
Call (626) 509-3237 now to schedule your home energy audit in La Puente. A live person answers 24/7, and we can usually book you within 48 hours. You’ll get a written price before any work starts, a documented photo record of everything we find, and before-and-after blower-door numbers on any work we complete. The audit is the first step; the numbers tell you what comes next.
Written by Wes Okafor, Owner at Topside Attic Insulation La Puente, serving La Puente and the San Gabriel Valley since 2016.