Your Local

HVAC Experts

Professional Heating & Cooling Services

Seasonal Heating & Air Conditioning has provided prompt, courteous HVAC services to residential and commercial customers across Portage, IN, and Northwest Indiana since 1978. As a licensed, bonded, and insured company, our trained technicians handle installation, repair, and maintenance on most heating and air conditioning systems. With fair pricing and free estimates on new installations, we look forward to meeting your needs.

Air conditioner

A Higher Standard of Service

Working with customers throughout Lake, Porter, and LaPorte Counties, we take pride in offering honest, quality services with great attention to detail. Along with heating and cooling, we also offer electrical and plumbing services when requested. Our technicians are trained and regularly keep up with the latest industry standards.

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From furnaces to boilers and water heaters, we’re dedicated to keeping your heating system running efficiently year-round.

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We can help your home or businesses stay comfortable during the summer and beyond with our comprehensive cooling and indoor air quality services.

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Commercial Refrigeration

Need repair or maintenance on a walk-in cooler or freezer? You can rely on our commercial refrigeration services.

Hear From Our Customers

“Great experience and service! The price was reasonable and the work was done consistently on time over 2-3 days. They took their time, replaced piping/parts, cleaned up, and made sure it was done right! Would definitely recommend!”


We had to have both our furnace and AC replaced in the middle of a hot spell. At first, Seasonal said it would take two weeks, but when I explained my husband is ill, they made it a week. They replaced both units very efficiently and left the garage and yard in perfect shape. We are very happy with the new Carrier units.”


“The entire staff is great. The workmen are professional, neat, and knowledgeable. When there is a problem, they attend to it swiftly. They are a great team.”


Trusted Brands & Products

As a Carrier dealer, we install Carrier heating and cooling systems. Additionally, we offer Energy Star systems, Navian water heaters, and Generac generators.

Seasonal Heating & Air Conditioning in Portage, IN
Energy Star Logo - Black and White
Generac Logo - Black and White
Navien Logo - Black and White

Warranty-Backed Work

For your peace of mind, all of our work and products are backed by warranties so you never have to worry.

1-Year Service Warranty
10-Year Equipment Warranty
3-Year Installation & Labor Warranty

Maintenance Contracts & Discounts

If you’re looking to save money, ask about our Peak Energy Saving Agreements through Carrier.

We also offer residential maintenance contracts for $180 a year, which include:

  • Two visits per year (one for heating, one for cooling)
  • 15% discount on any repairs
  • Priority service
  • No after-hour fees

Military, Senior, First Responder Discount

Seasonal Heating & Air Conditioning in Portage, IN

When you need dependable HVAC
services for your home or business Contact us!

Seasonal Heating & Air Conditioning in Portage, IN

Seasonal Heating & Air Conditioning

5705 Old Porter Rd
Portage, IN 46368

Contact Us:
Phone: 219-762-5504
Fax: 219-762-0761

Business Hours:
Monday - Friday
8:00 AM - 5:00 PM
24/7 Emergency Service