Connect with Top-Rated HVAC Contractors in Lowell!

Gray's Total Green Energy Solutions, LLC is a family-owned and operated business that has been providing professional heating and cooling installation services throughout Northwest Indiana since 1962. With a team of experienced professionals, we offer a range of services including air conditioning, gas furnace, generator, and geothermal heat pump installation and repair. Our goal is to provide complete customer satisfaction and peace of mind to our customers by delivering high-quality services and products. We are a Carrier Factory Authorized Dealer and offer 24/7 emergency repair services and preventative maintenance plans to keep your home or business warm and cozy all year round.

TEM Services is a family-owned business that provides top-notch heating, cooling, and indoor air quality services to residents and businesses in Northwest Indiana and the South Suburbs of Chicago. With over 40 years of experience, our team of certified technicians is dedicated to delivering exceptional service, ensuring your home or office is comfortable and energy-efficient. We install and service high-quality products from Bryant and pride ourselves on being a one-stop-shop for all your indoor air quality needs. Whether you're looking to replace an old system or need maintenance, our team is here to help. With 24/7 emergency service and competitive pricing, TEM Services is the perfect choice for all your heating, cooling, and indoor air quality needs.

At KNZ Heating & Cooling, we understand the importance of a properly functioning HVAC system, as it can significantly impact your safety and comfort. Our family-owned and operated business in Northwest Indiana provides exceptional customer service for all your heating and air conditioning needs, including AC repair and installation, furnace repair and installation, and indoor air quality solutions. We take pride in our comprehensive approach to maximize your system's energy efficiency and ensure your satisfaction with our work.