Prices and performance figures in this guide are planning examples, not a project quote or a promise of savings. Your estimate and results depend on the products, installation scope, existing home, climate, and energy use.
If Your Home Feels Hot Even With the AC Running…
If your house heats up fast during the day…
If one room always feels hotter than the rest…
If your AC seems like it never stops running…
It’s easy to assume the problem is your air conditioning.
But in many homes, that’s not the real issue.
A large portion of the heat entering your home is coming directly through your windows.
And until that’s addressed, nothing else truly fixes the problem.
Let’s break down what’s actually happening—and how to stop it.
The Problem: Heat That Keeps Coming Back
You cool your home.
The AC turns on.
The air feels comfortable… for a moment.
Then the heat creeps back in.
That cycle repeats all day.
What most homeowners don’t realize is this:
Your home isn’t just losing cool air — it’s constantly gaining heat.
And that heat gain:
- Raises indoor temperatures
- Forces your AC to work harder
- Drives up energy bills
- Creates uneven comfort from room to room
The Real Cause: Heat Passing Through Your Windows
Windows are one of the biggest entry points for heat in a home.
Here’s why:
- Sunlight hits the glass
- Heat passes through the window
- That heat gets trapped inside your home
This process is called solar heat gain.
And depending on your windows, it can be significant.
In homes with older or standard glass:
Up to 70–80% of solar heat can pass through windows
That means your AC isn’t just cooling your home…
It’s fighting against a constant stream of incoming heat.
Sunlight passes through standard glass and turns into trapped heat inside your home.
The 3PM Test (Try This Today)
Here’s a simple way to feel this for yourself:
At around 3PM, walk to a window that gets direct sunlight.
Now:
- Stand near it for 30 seconds
- Place your hand on the glass
You’ll notice:
- The air feels noticeably warmer
- The glass is hot to the touch
- The space near the window is uncomfortable
That heat you’re feeling?
That’s exactly what’s entering your home all afternoon.
Now imagine that happening across multiple windows… for hours.
Why Common Fixes Don’t Work
Most homeowners try to solve this the wrong way.
Turning Down the Thermostat
This just makes your AC run longer.
It doesn’t stop heat from entering.
Closing Blinds or Curtains
These help slightly…
But by the time sunlight hits your blinds, the heat has already passed through the glass.
Running Fans
Fans move air.
They don’t remove heat.
Upgrading the AC Unit
A bigger AC doesn’t fix the source of the problem.
It just works harder to keep up.
All of these solutions treat the symptom—not the cause.
Heat entering through windows creates uneven temperatures throughout your home.
The Real Solution: Stop Heat Before It Enters
The only way to truly fix the issue is to block heat at the source:
Your windows
Modern energy-efficient windows are designed to do exactly that.
Key features include:
Dual-Pane Glass
Creates insulation between indoor and outdoor temperatures
Low-E (Low Emissivity) Coatings
Reflect heat away before it enters your home
Gas-Filled Chambers (Argon)
Reduce heat transfer through the glass
Instead of letting heat pour in…
These windows stop it before it becomes a problem.
Energy-efficient windows reflect heat away, while standard glass allows it inside.
We Don’t Guess — We Show You
Most companies will tell you your windows are inefficient.
We take a different approach.
We actually measure it.
During your in-home consultation, we:
- Show you how much heat is coming through your current windows
- Use real-time demonstrations
- Let you feel the difference yourself
No assumptions. No guessing.
You see exactly what’s happening in your home.
We don’t guess — we measure how much heat is entering your home.
Learn More About the Problem and Solutions
If this sounds familiar, these pages go deeper into what you’re experiencing:
- Window Replacement:
https://teamallstarconstruction.com/service-areas/los-angeles-ca/window-replacement/
- Why Your House Feels Hot Even With AC:
https://teamallstarconstruction.com/service-areas/los-angeles-ca/house-hot-even-with-ac/
- Best Windows to Block Heat:
https://teamallstarconstruction.com/service-areas/los-angeles-ca/best-windows-to-block-heat/
When It’s Time to Take Action
You don’t have to guess if this applies to your home.
You’re likely dealing with window heat gain if:
- Your home heats up quickly during the day
- Your AC runs constantly
- Some rooms are always hotter than others
- Your energy bills keep increasing
- Your windows are older or single-pane
Get Real Answers — Not Assumptions
If your home gets hot during the day, the fastest way to understand why is to actually see it.
We’ll show you exactly what’s happening inside your home—and where the heat is coming from.
No pressure. Just clarity.
Get Your Free Estimate
Call: (310) 729-3013 or
Visit: https://teamallstarconstruction.com/contact/
- Categories: Window Testing & Performance Guides
- Tags: energy efficiency windows, heat gain measurement, heat through glass, solar heat gain measurement, thermal analysis windows, window energy loss data, window heat transfer, window performance test
Southern California Window Replacement Guide
Single Pane vs Dual Pane: Which Fits Your Home?
Replacement Windows Los Angeles Homeowners Choose
Retrofit Windows vs Full Frame: Which Fits?
A Guide to Full Window Replacement at Home
Vinyl vs Aluminum Windows for Southern California
Best Windows for Hot Climates in Southern California
A Homeowner’s Guide to Energy Efficient Windows
How to Reduce Window Heat at Home
About Total Home Windows
Total Home Windows is a Southern California-based window replacement company focused on helping homeowners improve energy efficiency, indoor comfort, and long-term home value through high-performance window installations.
Serving Los Angeles County, Orange County, Riverside County, San Bernardino County, and Ventura County, the company specializes in both vinyl retrofit (insert) and full-frame window replacement. Their work is tailored to the unique demands of California homes, including intense UV exposure, coastal conditions, and heat retention issues common in older properties.
Total Home Windows combines practical installation experience with a strong focus on energy performance—helping homeowners reduce cooling costs, improve insulation, and solve common problems like rooms that stay hot even with air conditioning. Their approach prioritizes clear recommendations, transparent pricing, and solutions that make sense for each home.
The content published by Total Home Windows is built on real installation knowledge, field-tested performance insights, and current best practices in window technology, including Low-E glass, argon-filled units, and energy-efficient design strategies. Their goal is to help homeowners make informed decisions without overpaying or choosing the wrong type of window system.
Ways to Reach Us
If you’re considering window replacement, we’re here to answer questions and provide clear, professional guidance based on your home and goals.
- teamallstarconstruction@gmail.com
- 301 E.9th St Suite 415 Redlands, CA 92374
