DNA Heating and Air Conditioning: Your Local HVAC Expert in Hammond, Indiana

When your home or business needs heating or cooling help in Northwest Indiana, you need a company you can trust. DNA Heating and Air Conditioning in Hammond, IN, has been that trusted partner for families and businesses for over 15 years. They are a family-run operation focused on making HVAC services straightforward and affordable.

Business Overview

DNA Heating and Air Conditioning provides full HVAC services for homes and businesses across the region. Understanding the urgency of a broken furnace during a cold Lake Michigan winter or a failed AC unit in a humid Indiana summer, they offer 24/7 emergency service. Their team of experienced technicians is ready to help, day or night.

Key Services for Your Home or Business

The team at DNA Heating and Air Conditioning handles all the essential services to keep your space comfortable year-round.

  • HVAC Installation or Replacement: Whether you're upgrading an old system in a classic Hammond bungalow or installing a new unit in a modern Valparaiso home, they help you choose the right system for your budget and needs.
  • HVAC System Repair: From strange noises to no cool air, their technicians diagnose and fix problems quickly to restore your comfort.
  • HVAC System Maintenance: Regular check-ups can prevent major breakdowns. They perform thorough maintenance to keep your system running efficiently, which can help lower your energy bills.

Areas Served in Northwest Indiana

DNA Heating and Air Conditioning proudly serves a wide area around Lake County and Porter County. This includes Hammond, Gary, Merrillville, Valparaiso, Crown Point, Schererville, East Chicago, Hobart, Munster, Dyer, Chesterton, Cedar Lake, and many surrounding towns and townships. Their deep local knowledge means they understand the common HVAC setups and challenges found in our area's diverse range of homes and commercial buildings.

Company History & Leadership

Founded over 15 years ago, DNA Heating and Air Conditioning started with a simple goal: to provide honest, reliable HVAC service. As a family-owned business, they've grown by building strong relationships with their customers, not by being the biggest company around. The leadership brings hands-on experience from the field, ensuring every job meets their high standards. Being locally based in Hammond, IN, they are invested in the community's well-being.

Specialties & Highlights

Several key qualities set DNA Heating and Air Conditioning apart.

  • Family-Run & Customer-Focused: You'll work directly with the people who own and operate the business, ensuring personal attention.
  • Budget-Conscious Service: They specialize in working with families to find realistic solutions, whether for a new system or maintaining an existing one, without pushing unnecessary upsells.
  • 15 Years of Local Experience: Their long history means they've seen and solved a wide variety of HVAC issues common to our region.
  • 24/7 Availability: Comfort emergencies don't keep business hours, and neither do they.

Why Locals Choose DNA Heating and Air Conditioning

For residents and business owners in Hammond, IN, and the wider Northwest Indiana area, choosing DNA Heating and Air Conditioning comes down to trust and reliability. Their long-standing local presence, family-oriented approach, and commitment to fair pricing make them a go-to resource for heating and cooling needs. They combine proven experience with a genuine desire to help their neighbors stay comfortable in every season.

Contact Information

DNA Heating and Air Conditioning

: Hammond, IN 46327

: (773) 996-2315

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Business Services

  • HVAC installation or replacement
  • HVAC system repair
  • HVAC system maintenance

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours




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