Joseph Frederick & Sons provides professional, state-of-the-art HVAC services to the people of Delaware and Southeast Pennsylvania. Our licensed technicians have extensive training, an average of twelve years’ experience, and the most sophisticated tools and equipment. We handle every aspect of the most complex projects timely and accurately and our unwavering commitment to quality has helped us build a lasting reputation of excellence.
In fact, we’ve recently celebrated our 75th anniversary! You don’t build that kind of success without loyal customers and referrals. So, while we’re proud of being a third-generation family-owned business, it’s the trust that our customers place in us that really gets us up in the morning.
We are both NATE certified and, of course, a Carrier Factory Authorized Dealer – which ensures you’ll get the very best in efficiency, longevity and service. We offer emergency service 24 hours a day, 7 days a week and our Customer Assurance Plan can protect your HVAC investment with annual cleaning, inspection, and maintenance at discounted rates. Joseph Frederick & Sons is honored to have been selected for the Carrier President’s Award in 2021. This esteemed recognition acknowledges our leadership, management, customer dedication, brand knowledge, industry expertise, and operational excellence. This is our eleventh Presidents’ Award so you know we’ve been meeting and exceeding expectations for many years and will continue to do so for years to come.