Bellevue Lennox - http://www.airprosenergy.com/ - (425) 773-3748 - We’ve been in business since 1990, and all of our employees are carefully trained on the latest installation procedures and safety tips associated with Bellevue and Seattle air conditioning and heating. We are licensed in the state of Washington and offer a free estimate for all of our services – we won’t surprise you with a big bill at the end of the installation process.