Why is my house so hot after getting a new roof?
New roofing materials and potential ventilation changes can trap excess heat, causing indoor temperatures to rise significantly compared to the outdoors. This sudden increase makes the home feel uncomfortably warm and leaves homeowners questioning whether the installation was done correctly.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Checking or upgrading attic ventilation like ridge vents or box vents
- 2Inspecting attic insulation
- 3Installing solar attic fans
- 4Waiting a few nights for the heat soaked into the decking and framing to dissipate
- 5Checking attic ventilation setup such as ridge vents and soffit vents
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“House feels warmer than before.”source ↗
“Is it normal for house to feel warmer after new roof? Outside temperature is 63 at night tilme but house temperature is 74.”source ↗
“we had our roof done maybe 2 or 3 years ago. We opted for a good quality shingle (subjective) but it seems really hot these days.”source ↗
“I don't know if the thicker shingles are adding additional attic / interior heat, or if it's just the SHGC factor from the window tinting that I also did.”source ↗
Where this came up
People with this problem also raised
- 3Why is my attic apartment so hot in summer and cold in winter?
- 9Why does my brand new AC not cool as well as the old one?
- 2Why is the plywood roof decking sagging on my new house?
- 3Roofers left mono roof top exposed without a cap
- 6Uneven shingles and bulges after new roof replacement
- 3Can I install siding, soffit, and fascia before roof shingles?