For over 75 years, we have been the Leigh Valley's leading experts in heating and air conditioning. We are reliable providers of fuel oil, heaters, air conditioners, and even HVAC systems. We do installations, maintenance services, and repairs. Deiter Bros is happy to offer maintenance plans, as well as emergency services. Call us or visit our website today to learn more about our services and products. Count on us for all of your indoor comfort needs.