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Comprehensive Residential & Commercial HVAC, Plumbing & Pipefitting, Construction, and Building Automation Services

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Who we are

About Dual Temp

Dual Temp Company is a trusted mechanical contracting firm based in Allentown, Pennsylvania, proudly serving Eastern Pennsylvania and New Jersey since 1970. We specialize in commercial HVAC systems, industrial plumbing, and advanced building automation solutions. Our expert team also provides high-quality residential HVAC services through our dedicated division, Dual Temp Home Services.

With over 50 years of experience, Dual Temp is known for delivering cost-effective, energy-efficient mechanical solutions tailored to the needs of commercial, industrial, institutional, and residential clients. Our commitment to excellence, cutting-edge technology, and reliable service makes us a top choice for HVAC installation, plumbing systems, building controls, and preventative maintenance in the Lehigh Valley and beyond.

Whether you’re upgrading existing systems or planning new construction, Dual Temp offers the expertise and proven results to keep your building running efficiently and comfortably.

Dual Temp Company has served Eastern Pennsylvania and New Jersey since 1970 as a trusted mechanical contractor specializing in commercial HVAC, industrial plumbing, and building automation. Based in Allentown, we also provide residential services through Dual Temp Home Services. With over 50 years of experience, we deliver cost-effective, energy-efficient solutions for commercial, industrial, and residential clients throughout the Lehigh Valley. From installations to preventative maintenance, we keep your building running efficiently and comfortably.

EXPERIENCE & EXPERTISE
COMPREHENSIVE SERVICES
COMMITMENT TO QUALITY
what we do

Our Services

We offer a wide range of services, including air conditioning, heating, piping, plumbing, pipefitting, building automation controls, and boiler or chiller repair. We serve a variety of facilities across Pennsylvania and New Jersey, from commercial buildings to industrial plants and institutional facilities. Our team is always innovating and finding ways to save you money and energy, ensuring that all your mechanical needs are met with the highest level of quality and reliability. Dual Temp Home Services provides residential HVAC solutions to keep your home cozy all year round.

We provide air conditioning, heating, plumbing, pipefitting, building automation, and boiler/chiller repair across Pennsylvania and New Jersey. From commercial buildings to industrial plants, our team delivers innovative, cost-effective solutions that save energy while ensuring quality and reliability. Dual Temp Home Services handles all residential HVAC needs to keep homes in the Lehigh Valley comfortable year-round.

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Home Services

Dual Temp Home Services provides heating, cooling, and hot water solutions throughout the Lehigh Valley. Our certified technicians handle installations, repairs, smart thermostats, and air quality upgrades to keep your home comfortable year-round.

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Commercial Services

We deliver comprehensive HVAC, plumbing, and mechanical solutions for commercial buildings across Eastern Pennsylvania and New Jersey. From boilers to medical gas systems, we focus on energy efficiency and reliable operation.

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Construction Services

Our design-build team handles mechanical, HVAC, and plumbing systems for commercial and industrial construction projects. We work with owners and contractors to deliver high-performance solutions on time and on budget.

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Building Automation

We design intelligent systems that optimize lighting, temperature, and climate for improved comfort and energy efficiency. Our solutions range from simple controls to integrated smart building platforms.

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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.

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Dual Temp is a dependable and customer focused organization. They quickly respond and the scheduling process is user friendly. Patrick has been to our home on multiple occasions and is thorough, explaining the work he’s doing, what he finds, and recommendations for repairs and/or upgrades.

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We are pleased to post the exceptional experience we received from DUAL TEMP today. From the initial contact with Kim , who professionally and promptly dispatched a skilled tech named Patrick. Between these two 5star team players , our HVAC issue was resolved in a timely manner and at a reasonable rate. We’re definitely going to be repeat customers and highly recommend them.

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Very nice to work with. I love the system a lot.

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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!

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Great service! This company repaired my air conditioning unit this week . David is an awesome technician. He’s polite respectful and thorough. I’m incredibly happy with the companies service this week and David is a great representation of your company…. Thank you

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Great Job!! I was really impressed with the in-depth knowledge that tech had with my system. Clean and thorough!

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Patrick was very knowledgeable and thorough. He did a great job servicing our heating and air conditioning units.

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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 ⭐️

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Patrick was considerate and professional in installing our new hot water heater. It was a pleasure dealing with Patrick and everyone at Dual Temp.

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Terrific experience. Thank you!! Knowledgeable. Not pushy at all. Friendly. Immediately got down to work. Punctual arrival. Professional service.

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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!

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The technician was punctual, thorough, clean, and friendly. Our home is in good hands with Dual Temp.

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Patrick is extremely knowledgeable and did an excellent job servicing my heating system. I would highly recommend him to anyone!

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Joe came over to give me an estimate on a new boiler. He was very professional and knowledgeable. He explained my options and answered all the questions that I had I feel it was a very productive meeting and I walked away feeling comfortable.

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I recently had two HVAC units installed in my home by Dual Temp Home Services, and I have to say, they exceeded my expectations in every way. I’m not easily pleased, but from start to finish, their team went above and beyond. The installers were professional, efficient, and took great care to keep my house clean. They were also mindful of my pets, which I truly appreciated!

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Having some issues with our ac, and Nate arrived promptly, diagnosed the problem, and got the job done efficiently. I would recommend Dual Temp to anyone.

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Excellent trouble shooting and great remedial proposals. Knowledgeable and efficient technician

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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!

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Joe was professional and personable. He shared all relevant information and added much to our understanding of what was available. A really good interaction.

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Awesome job very professional clean work

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Very responsive and thorough which is hard to find these days. The service was definitely worth the value.

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Just wanted to give a special thanks to Patrick Boyle of Dual Temp for coming out today and fixing my gas furnace in a speedy and efficient manner, from diagnoses to fixing the issue went very well , he knows what hes doing !

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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.

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David came out and did a great job and was done within an hour. didn’t try to sneak in any kind of fees or charge for extra time.

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.

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