
A thermal imaging inspection is an infrared scan that reveals comfort problems hiding where you cannot see them: air leaks behind the drywall, insulation that settled or got missed, a duct losing heat up in the attic. Novus Mechanical uses thermal imaging across Freehold and Monmouth County to find those problems without opening a single wall, often paired with the same blower door test ENERGY STAR uses to benchmark a home's air leakage.
A thermal camera reads surface temperature. Where a wall is colder or warmer than it should be, the camera shows it as a clear color shift. That cold streak across the ceiling, that warm patch by the floor: those are the clues. We turn "this room just feels off" into a picture of exactly what is going on behind the surface.
A thermal camera reveals what you cannot see: missing insulation, air leaks, hidden moisture, and ducts losing energy, all by reading surface temperature differences, so we know where to look before anyone cuts or tears anything open.
| What the camera shows | What it means | What we do |
|---|---|---|
| Cold stripes across a wall or ceiling | Missing or thin insulation | Point you to where insulation needs to be added |
| A cold draft trail near windows, doors, or top plates | An air leak | Mark it for air sealing, often confirmed with a blower door |
| A damp-looking patch that doesn't match the surrounding wall | Hidden moisture | Flag it before it ever stains the paint |
| A warm or cold patch where a duct runs | A hidden duct leak | Route it to duct sealing and repair |
| A component running hotter than normal, or an iced coil | An HVAC fault | Route it to AC or furnace repair |
Every one of these is a comfort or energy problem you would otherwise chase by guessing. The camera takes the guessing out.

A thermal imaging visit follows the same sequence every time, whether it stands alone or runs as part of a full home energy audit.

Running the thermal camera while a blower door test depressurizes the house pulls outside air through every gap, so leaks that would otherwise be faint show up as sharp cold trails on the camera. A thermal camera on its own finds plenty; paired with a blower door test, the air leaks practically light up.
Here is why. The blower door is a calibrated fan that drops the air pressure inside your house. With the pressure lowered, outside air gets pulled in hard through every gap and crack. Now when we scan the walls, those leaks show as sharp cold trails on the camera instead of faint ones. The pressure makes the hidden leaks obvious.
Run together, the two turn "my house feels drafty" into a specific map: this window, that rim joist, this gap behind the baseboard. Novus performs both across Freehold and Monmouth County, and they work best as a pair.
You get thermal images of the trouble spots plus a plain explanation of what they mean. No jargon dump.
We walk the home, scan the trouble spots, and capture the thermal images that show what is going on. Then we sit down and explain it in normal words: here is the cold zone over the bedroom, here is the insulation gap behind it, here is the duct losing heat in the attic. You see the same image we see, and you understand what it is telling you.
That picture becomes a plan. It shows where to add insulation, where to seal, or where a duct needs repair, so any work you do hits the real problem. Thermal imaging is often part of a full home energy audit, where it sits alongside the other tests to explain why a home is uncomfortable or expensive to run. When the camera traces a hot or cold room back to an HVAC fault, that is where AC repair picks up and fixes the component the scan flagged.
We measure your home, explain what we find, and hand you one clear price. Book a consultation in Freehold or Monmouth County.
Updated August 2026 by Novus Mechanical, Freehold, NJ