* **window:** Account for inter-reflection in transmittance calculations ([42ce9cf](https://github.com/ladybug-tools/honeybee-energy/commit/42ce9cffced5eb9c05a7e74183e244b40a326a98))
* **construction:** Add check for possible CTF errors ([a9ba6c5](https://github.com/ladybug-tools/honeybee-energy/commit/a9ba6c5a0a06267797a334428723d1af788c5764))