Comfort Experts for Over 50 Years
Your Trusted Commercial and Home Comfort Experts.
Who we are
Dual Temp Co., Inc.
For over 50 years, Dual Temp has been the region’s trusted “Comfort Experts,” delivering comprehensive residential and commercial solutions across Pennsylvania and New Jersey. Founded in 1970 and headquartered in Allentown, PA, we’ve grown into a full-service mechanical contracting firm—specializing in HVAC, plumbing & pipe-fitting, construction services, and cutting-edge building automation controls. Whether it’s a single-family home or a sprawling industrial plant, our team combines deep industry expertise with the latest technology to keep your environment safe, efficient, and comfortable year-round.
EXPERIENCE & EXPERTISE
COMPREHENSIVE SERVICES
COMMITMENT TO QUALITY
WHAT WE DO
From design and installation to preventative maintenance and emergency response, Dual Temp handles every phase of mechanical systems with precision and care. Our services include:
OUR COMMITMENT
Independently owned and unaffiliated with utility providers, we prioritize your bottom line by recommending only what you need—never what we “sell.” Our in-house teams of certified technicians, plumbers, and pipe-fitters work seamlessly together to minimize downtime, reduce energy waste, and extend equipment life. Every project is backed by our satisfaction-and-safety guarantee, ensuring code compliance, on-time delivery, and a seamless customer experience.
WHERE WE SERVE
Dual Temp Home Services keeps homeowners cozy throughout the Greater Lehigh Valley, while our Commercial Services division supports businesses, institutions, and industrial facilities across Eastern Pennsylvania and New Jersey. From healthcare and education to manufacturing and retail, we tailor our solutions to meet the unique demands of each facility—no matter the size or complexity.
How We’re Doing
What Our Customers Are Saying
At Dual Temp, we pride ourselves on delivering exceptional HVAC solutions to businesses across the region. Our commitment to quality, prompt response times, and deep industry knowledge have earned us the trust and satisfaction of numerous clients. Discover why businesses choose Dual Temp for their commercial HVAC needs.
Needed a new heating/ac system installed. Received a few estimates and had a friend refer me to Dual Temp because she had a great experience. Joe came out promptly and provided us with 4 options. Very knowledgeable in helping with our unique situation. Installation was prompt and quick. The young men who came out were extremely professional and very considerate. Would highly recommend them!
Dual Temp Home Services delivered a great customer experience - easy scheduling, proactive communications, and reasonable pricing. Our technician Patrick Boyle was awesome - arrived on time, friendly, knowledgeable, helpful, and courteous! A true professional! Definitely recommend having Dual Temp and Patrick support your HVAC needs!
Great Job!! I was really impressed with the in-depth knowledge that tech had with my system. Clean and thorough!
Joe was professional and personable. He shared all relevant information and added much to our understanding of what was available. A really good interaction.
We have been using Dual Temp for several years now and we are very satisfied with the service. Reactionary maintenance and/or emergency items are hard to manage from a remote site. Dual Temp does a GREAT JOB of taking care of our maintenance needs and they react in a timely manner.
we were on vacation when our air conditioner went on the fritz with only our dog sitter at our house. We called Dual Temp and they got a guy out there the next morning to work on it. The technicians name was Patrick, who is definitely accredited, his profession, very professional and friendly, got our system up and running in no time answered all our questions Any potential problems that we have that need to be addressed. What a great experience. These guys put us at ease and took care of our problems so it didn’t affect our vacation. Thank you, Dual Temp and Joe
Patrick showed up on time and is a great guy! He did a awesome job and is very knowledgeable. He was very thorough and ensured that everything was properly cleaned and works like new. Thank you!
Technician responded quickly on a holiday and we scheduled for a repair the next day. He was commutative and friendly through out the repair process as well as a problem solver when faced with a change. Pricing was more than fair!
Patrick was very knowledgeable and thorough. He did a great job servicing our heating and air conditioning units.
Joe from Dual Temp was very knowledgable, asked clarifying questions to understand what we want and what we need to get us the best benefit and pricing proposals. Very Satisfied!
Great pricing and quick response time with work finished early. The crew was courteous, communicative, and extremely helpful. It was a pleasure doing business with Dual Temp. 5 ⭐️
Although we weren’t able to solve the problem during his visit, Patrick was very helpful in explaining the issue and course of action needed.
David called to ask if he could arrive a little earlier than he was expected. He was coming to do my routine yearly service on my furnace. Once he was there he did an excellent job and I would definitely recommend Dual Temp!
Patrick Boyle, my Technician, went above and beyond to complete my furnace tuneup to my Total Satisfaction. From the text to inform me that he was on his way, to a follow-up phone call to explain what work was preformed. This was my first time using Dual Temp, And they are now the ONLY HVAC company that I will ever use! Thanks Patrick…. And Dual Temp.
Joe was prompt, professional & helpful! His communication skills are excellent & I appreciate the organization of his work flow. Very glad we were referred to him!
Joe was a number 10 .clearly a good guy! Very pleasant,friendly,answered my guestions and calmed me down! Das is good! Thank-you Thank-you! God wins!
Hi ,we Hired Dual Temp to install a new gas furnace and new water Heater, They did an excellent job! They are very professional and the price was very reasonable. I would definitely hire them again in the future.Thank you !! Sincerely Harry R.
Patrick was very helpful. He told us exactly was he was doing and what was going on with our system. I would recommend Dual Temp for your home services needs.
This was our first experience with Dual TempPatrick serviced our Two air conditioner units, he was very thorough and explained everything that he was doing took lots of pictures to share the condition of our units with us. We will definitely be using Dual Temp for other services
David D'Agostino was very thorough, professional and knowledgeable about my furnace and heat pump. He explained about the failed part, gave me the option to replace or wait. Great service call. I will have Dual Temp and hopefully, David, for future maintenance.
Where we work
Our Service Area
Dual Temp proudly serves homeowners and businesses across a wide region. Our Home Services team covers the Greater Lehigh Valley, delivering expert HVAC repairs, installations, and maintenance with fast, friendly service. For Commercial HVAC, Construction Services, and Building Automation, we operate throughout Eastern Pennsylvania and New Jersey, providing innovative solutions for complex systems in healthcare, education, manufacturing, and beyond. No matter the project size, we’re committed to comfort, efficiency, and long-term reliability across every zip code we serve.