Comfort Experts for Over 50 Years
Comprehensive Residential & Commercial HVAC, Plumbing & Pipefitting, Construction, and Building Automation Services
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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.

Home Services
Dual Temp Home Services provides expert heating, cooling, and hot water solutions for homeowners throughout the Lehigh Valley. Our certified technicians specialize in energy-efficient installations, system replacements, and fast, reliable repairs—delivering home comfort you can count on.
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Commercial Services
Dual Temp Commercial Services provides expert HVAC, plumbing, and specialty system solutions for commercial facilities throughout Eastern Pennsylvania and New Jersey. From boilers and chillers to VRF and medical gas piping, we deliver reliable, energy-efficient systems backed by decades of experience and a commitment to customer satisfaction.
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Construction Services
Dual Temp Construction Services designs and installs high-performance mechanical, HVAC, plumbing, and automation systems for commercial and industrial construction projects throughout Pennsylvania. Every system is engineered to meet the highest standards for energy efficiency, safety, and code compliance, delivering dependable performance and long-term value.
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Building Automation
Dual Temp Building Automation Group designs, installs, and maintains intelligent building automation systems that enhance energy efficiency, comfort, and control for commercial and industrial facilities. From system integration to data analytics and ongoing support, our solutions are engineered for reliability, scalability, and long-term performance.
Learn More >Who we are
Our Services
Dual Temp Company, based in Allentown, PA, has been a leading mechanical contracting firm in Pennsylvania and New Jersey since 1970. We specialize in HVAC, plumbing, and building automation systems, offering comprehensive services for commercial, industrial, and institutional clients, as well as residential HVAC solutions through Dual Temp Home Services.
Our commitment to excellence, use of the latest technology, and independence from utility companies ensure cost-effective, energy-efficient solutions tailored to client needs. Our expertise and dedication to quality make us a trusted choice for all mechanical contracting needs.
EXPERIENCE & EXPERTISE
COMPREHENSIVE SERVICES
COMMITMENT TO QUALITY
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.
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.