How I Switched to Heat Treatment for Bed Bugs After Insecticides Failed

By Richard Collings | 23 January 2026 |

For a long time, I relied on insecticides to deal with bed bugs.
That’s what most people do. It’s what the industry has done for years.

But eventually, something became impossible to ignore:

The bed bugs weren’t going away.

Worse than that, the call-backs started piling up. Same homes. Same complaints. Same frustration.

That’s when I realised I had to change how I dealt with bed bugs — and that decision led me to heat treatment.

When Insecticide Treatments Stopped Being Reliable

At first, I tried to explain the repeat problems away.

Maybe the preparation wasn’t good enough.
Maybe there were hidden harbourages I’d missed.
Maybe the infestation was worse than it looked.

But when it kept happening across different jobs, a pattern became clear:
Traditional insecticide treatments were no longer delivering consistent results.

That’s a serious problem when you’re trying to help people who are already stressed, exhausted, and often embarrassed by the situation.

People don’t want excuses.
They want the problem solved.

And I needed a method that actually did that.

Why I Started Looking Into Heat Treatment for Bed Bugs

That’s when I began seriously researching heat treatment for bed bugs.

Unlike chemical treatments, heat doesn’t rely on bugs coming into contact with a product.
Instead, it works by raising the temperature of the entire room to levels bed bugs simply cannot survive.

The more I learned, the more it made sense:

Heat penetrates mattresses, furniture, cracks, and wall voids
It kills bed bugs at all life stages, including eggs
There’s no chemical resistance issue
Bugs can’t “hide” from temperature the way they can from sprays

On paper, it sounded promising.

In real life, it proved to be even better.

The Results Spoke for Themselves

Once I began using heat treatment correctly, the difference was immediate.

Call-backs dropped dramatically
Results were faster
Customers were more satisfied
Confidence in the treatment increased

Instead of hoping chemicals had reached every hiding place, I knew the heat was doing the work throughout the room.

That reliability changed everything.

Anyone who’s dealt with bed bugs knows how emotionally draining they are. Sleep disruption, anxiety, constant checking, constant cleaning. Knowing you’re offering a solution that actually works makes a real difference to the people going through it.

Why Heat Treatment for Bed Bugs Works So Well

From real-world experience, heat treatment offers advantages that insecticides often can’t match on their own:

Kills bed bugs and eggs in one comprehensive treatment
Reaches areas sprays often miss
No reliance on chemical resistance levels
Faster resolution compared to multiple chemical visits
More predictable outcomes on heavy infestations

That doesn’t mean chemicals have no role at all.
But relying on insecticide alone was no longer enough.

Heat became the missing piece.

What I Tell People Now About Bed Bug Control

When people ask me today about the best way to deal with bed bugs, I’m honest with them.

If your goal is:

To get rid of bed bugs as quickly as possible
To avoid repeat treatments
To reduce the chance of the problem coming back

Then professional heat treatment should absolutely be considered.

Too many people spend months (and a lot of money) repeating treatments that never quite solve the issue. I’ve seen firsthand how much difference the right approach can make.

Final Thoughts

I didn’t switch to heat treatment because it was fashionable.
I switched because I was forced to.

The repeat infestations made it clear something had to change.
The results from heat treatment proved that change was the right one.

And if you’re dealing with ongoing bed bug problems — whether as a professional or as someone trying to solve it in your own home — it may be time to rethink the approach too.

I cover many areas so please contact me if you are interested