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.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Checking or upgrading attic ventilation like ridge vents or box ventsDid this help you?
- 2Inspecting attic insulationDid this help you?
- 3Installing solar attic fansDid this help you?
- 4Waiting a few nights for the heat soaked into the decking and framing to dissipateDid this help you?
- 5Checking attic ventilation setup such as ridge vents and soffit ventsDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, 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
- 6Why is just one upstairs room so hot in the summer?
- 6Why is my attic apartment so hot in summer and cold in winter?
- 4How to stop heat loss through an attic hatch or open carport
- 2Is it ok to install OSB over plywood roof decking?
- 17Why does my brand new AC not cool as well as the old one?
- 2Roof or gutter contractors missed rotting fascia board