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Your Trusted HVAC Partner in Lowell, IN
TEM Services has been a trusted provider of heating, ventilation, and air conditioning solutions since the early 1980s. Our team specializes in residential and commercial HVAC systems, offering expert installation, repair, and maintenance services for Bryant products and all major brands. We serve Northwest Indiana and the South Suburbs of Chicago, prioritizing energy efficiency, customer comfort, and cutting-edge technology.

With 24/7 emergency service and a commitment to staying current with industry advancements, we ensure reliable solutions tailored to each client's unique needs. Our technicians are trained to diagnose and resolve system issues while helping homeowners and businesses reduce energy costs through smart, sustainable practices.
Services
HVAC Installation AC Repair Furnace Maintenance Geothermal Systems Generator Services Humidity Control
Highlights and features
  • We offer 37 years of combined HVAC expertise with certified technicians.
  • Our 24/7 emergency service ensures rapid response for urgent needs.
  • We specialize in energy-efficient Bryant systems and geothermal solutions.
  • We provide tailored HVAC maintenance to extend system longevity.
  • Our team serves Northwest Indiana and Chicago suburbs with local knowledge.
Services
HVAC Installation
We install high-efficiency heating, cooling, and air quality systems tailored to residential and commercial spaces. Our technicians specialize in Bryant products, ensuring optimal performance and energy savings. Proper installation extends system lifespan while maintaining manufacturer warranties.
AC Repair
Our team addresses air conditioning issues year-round, from refrigerant leaks to compressor failures. We service all brands, prioritizing rapid diagnosis and repairs to restore comfort during peak summer heat.
Geothermal Systems
We design and install geothermal heating and cooling solutions that leverage underground temperatures for sustainable energy savings. These systems reduce utility costs by up to 70% while minimizing environmental impact through non-combustion operation.
Generator Services
We provide whole-house generator sales, installation, and maintenance to ensure uninterrupted power during outages. Our Generac solutions run on propane or natural gas, offering quiet, reliable operation for homes and businesses.
Humidity Control
We install whole-house humidifiers and dehumidifiers to balance indoor moisture levels. These systems protect wood furnishings, reduce allergens, and enhance comfort by preventing dryness in winter and excess humidity in summer.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating, cooling, and air quality systems, including geothermal and Bryant products.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency support for urgent heating and cooling issues.
Which areas do you serve?
We serve Northwest Indiana and the South Suburbs of Chicago for residential and commercial HVAC needs.
Are financing options available?
We help clients access local energy rebates but do not directly offer financing programs.
What makes your technicians qualified?
Our team has 37 years of combined HVAC experience with certifications for Bryant and other major systems.