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Trusted HVAC Services in Lowell, IN
At TEM Services, we have dedicated ourselves to heating, air conditioning, and HVAC solutions since the early 1980s, evolving alongside technological advancements to deliver modern, efficient systems. Our team specializes in Bryant heating and cooling installations while servicing all brands, prioritizing energy efficiency and comfort for residential and commercial clients. With 24/7 emergency service availability, we address urgent needs promptly across Northwest Indiana and the South Suburbs of Chicago.

Our expertise extends to geothermal systems, air quality solutions, and generators, ensuring comprehensive indoor climate control. We emphasize customer education, transparent communication, and leveraging local energy rebates to maximize value for our clients.
Services
Air Conditioning Heating Systems Geothermal Solutions Generator Installation Air Quality Control Thermostat Services Commercial HVAC Maintenance Plans Emergency Repairs Humidity Management
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent needs.
  • Our team has over 40 years of combined HVAC industry experience.
  • We specialize in Bryant systems with expert installation and maintenance.
  • We help clients access local energy rebates and incentives.
  • We service all brands with certified technicians.
Services
Air Conditioning
Our air conditioning services include installation and maintenance of central, ductless, and geothermal systems. We optimize cooling efficiency while reducing energy costs for residential and commercial properties. Our technicians ensure proper refrigerant levels, airflow, and humidity control for maximum comfort.
Heating Systems
We install and repair high-efficiency furnaces, boilers, and heat pumps. Our team evaluates home insulation, ductwork, and fuel options to recommend optimal heating solutions. Variable-speed systems reduce energy consumption while maintaining consistent indoor temperatures.
Geothermal Solutions
Geothermal systems leverage underground temperatures for sustainable heating and cooling. We design ground-loop configurations tailored to property size and climate conditions. These systems reduce utility bills up to 70% while qualifying for federal tax credits.
Generator Installation
We install whole-house generators from Generac to prevent power outages. Systems operate on natural gas or propane, automatically activating during grid failures. Our installations include transfer switches and routine maintenance plans for uninterrupted operation.
Air Quality Control
Our air purification systems remove 99.7% of allergens using HEPA filters integrated with HVAC systems. We also install humidifiers and dehumidifiers to balance moisture levels, improving respiratory health and protecting building materials.
Questions
What HVAC services do you offer?
We provide heating, air conditioning, geothermal systems, generators, air quality solutions, and 24/7 emergency repairs for residential and commercial clients.
Do you service all HVAC brands?
Yes, we service and repair all HVAC brands while specializing in Bryant system installations.
Are financing options available?
We help clients access local energy rebates and utility incentives to offset installation costs.
What areas do you serve?
We serve Northwest Indiana and Chicago's South Suburbs, including residential and commercial properties.
Do you offer maintenance plans?
Yes, we recommend annual maintenance to extend system lifespan and maintain energy efficiency.
How quickly can you respond to emergencies?
Our 24/7 emergency service responds promptly to HVAC failures day or night.