Upstairs Was Always Hotter in This Wauconda Home

This customer mainly called because the second floor stayed noticeably hotter during the summer.

Not a little hotter either.

Usually around 5–7 degrees warmer upstairs compared to the main level, especially later in the evening after the A/C had already been running most of the day. Honestly, we hear that complaint a lot around Wauconda once summer hits hard.

The attic came up during the home inspection

When the homeowner originally bought the house, the inspector had recommended installing an attic fan.

That ended up being part of the solution here.

But once we got into the attic and started looking closer, it was pretty obvious the attic needed more than just airflow added. The insulation levels were low, and there were areas where the attic sealing needed attention too.

That’s usually how these jobs go honestly. One thing turns into three pretty fast.

The attic was holding onto heat

You could feel it up there.

Even earlier in the day, the attic already had that trapped summer heat feeling where the air just sits heavy. Kind of stale and warm. Hard to explain unless you’ve been inside enough attics during July.

Not great.

And honestly, attic fans work a lot better when the attic itself is sealed correctly and airflow paths are actually working the way they’re supposed to.

That part mattered.

We handled the attic fan first

The homeowner already knew about the attic fan recommendation from the inspection report, so we installed that as part of the project.

Simple enough.

But airflow only works properly if the rest of the attic system supports it. Otherwise, you’re just moving hot air around without really fixing the bigger issue underneath it all.

So, while we were there, we also made sure the attic was sealed properly to help support better airflow through the attic space.

Little gaps add up more than people think.

The insulation was below state code

Once we checked insulation depth, the attic was sitting below current code requirements for this area.

At first glance the insulation honestly did not even look terrible. That’s the weird part sometimes. Then you start measuring actual depth and coverage and realize how far things have settled over the years.

Especially older blown insulation.

We added a fresh layer of blown-in cellulose insulation across the attic to help bring everything back up properly.

Blown-in cellulose works well for these attic upgrades

Especially when the existing insulation is uneven.

The cellulose helps fill low spots and gaps more consistently, and once it was installed, the attic coverage looked completely different compared to when we first got there. You could hear the blowing machine running outside pretty much the whole afternoon while the attic slowly filled back in.

Long day up there honestly.

That was it.

One thing that stood out during the job

This attic actually wasn’t in terrible shape structurally.

A lot of the discomfort upstairs was really coming from several smaller issues stacking together over time — low insulation levels, heat buildup, and airflow not working the way it should. Kind of one of those situations where no single thing looked catastrophic by itself, but together it added up to an uncomfortable second floor every summer.

We see this a lot around Northern Illinois.

You can learn more about our attic insulation services and how we help homeowners improve comfort, airflow, and insulation performance throughout Northern Illinois.

Kind of one of those attic updates that just makes sense

The customer really just wanted the upstairs to stop feeling so much hotter than the rest of the house during summer weather.

Pretty reasonable goal.

Once the attic fan was installed, the attic sealing was corrected, and the blown-in cellulose insulation was added to proper levels, the whole attic system was working together a lot better instead of fighting itself all summer long.

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